[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Apr 13 04:34:20 EST 2013
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 13 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450537
Prefixes after maximum aggregation: 184360
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222129
Total ASes present in the Internet Routing Table: 43823
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34458
Origin ASes announcing only one prefix: 16077
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 375
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 4720
Number of 32-bit ASNs visible in the Routing Table: 3569
Prefixes from 32-bit ASNs in the Routing Table: 10153
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2612870220
Equivalent to 155 /8s, 189 /16s and 60 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 159211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108096
Total APNIC prefixes after maximum aggregation: 33356
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109305
Unique aggregates announced from the APNIC address blocks: 44363
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.68
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 493
Number of APNIC addresses announced to Internet: 720693952
Equivalent to 42 /8s, 244 /16s and 234 /24s
Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 157854
Total ARIN prefixes after maximum aggregation: 79682
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158545
Unique aggregates announced from the ARIN address blocks: 72575
ARIN Region origin ASes present in the Internet Routing Table: 15633
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5945
ARIN Region transit ASes present in the Internet Routing Table: 1614
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1062493824
Equivalent to 63 /8s, 84 /16s and 94 /24s
Percentage of available ARIN address space announced: 56.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 116555
Total RIPE prefixes after maximum aggregation: 59393
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120091
Unique aggregates announced from the RIPE address blocks: 77021
RIPE Region origin ASes present in the Internet Routing Table: 17131
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2294
Number of RIPE addresses announced to Internet: 656281316
Equivalent to 39 /8s, 30 /16s and 14 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47674
Total LACNIC prefixes after maximum aggregation: 9391
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51709
Unique aggregates announced from the LACNIC address blocks: 24114
LACNIC Region origin ASes present in the Internet Routing Table: 1889
LACNIC Prefixes per ASN: 27.37
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 351
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 757
Number of LACNIC addresses announced to Internet: 126775336
Equivalent to 7 /8s, 142 /16s and 112 /24s
Percentage of available LACNIC address space announced: 75.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10065
Total AfriNIC prefixes after maximum aggregation: 2490
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 10675
Unique aggregates announced from the AfriNIC address blocks: 3859
AfriNIC Region origin ASes present in the Internet Routing Table: 614
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46187264
Equivalent to 2 /8s, 192 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2957 11557 923 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1884 320 109 TPG Internet Pty Ltd
4755 1734 392 198 TATA Communications formerly
9829 1511 1205 40 BSNL National Internet Backbo
9583 1283 98 538 Sify Limited
7552 1171 1066 12 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1070 310 73 BHARTI Airtel Ltd.
24560 1066 385 163 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1608 1139 397 Time Warner Telecom
30036 1340 296 658 Mediacom Communications Corp
7018 1316 10807 856 AT&T WorldNet Services
11492 1218 224 333 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1840 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1145 234 207 BILISIM TELEKOM
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 822 288 652 Akamai Technologies European
31148 793 41 21 FreeNet ISP
6830 752 2318 442 UPC Distribution Services
8551 734 368 56 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2601 1433 98 NET Servicos de Comunicao S.A
10620 2361 409 223 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1228 2684 404 UniNet S.A. de C.V.
6503 1151 435 68 AVANTEL, S.A.
14754 1119 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 809 88 97 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 695 306 85 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1137 80 4 MOBITEL
24863 691 274 33 LINKdotNET AS number
6713 543 617 25 Itissalat Al-MAGHRIB
8452 353 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 184 696 90 MTN Network Solutions
33776 167 11 18 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
4766 2957 11557 923 Korea Telecom (KIX)
28573 2601 1433 98 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2361 409 223 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1884 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2601 2503 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2361 2138 TVCABLE BOGOTA
4766 2957 2034 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
22773 2013 1888 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1840 1824 Corbina telecom
7545 1884 1775 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.56.0/24 60996 Visionware SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:13 /10:29 /11:88 /12:248
/13:485 /14:884 /15:1558 /16:12677 /17:6608 /18:10914
/19:21813 /20:31911 /21:33781 /22:46684 /23:41774 /24:236885
/25:1390 /26:1771 /27:862 /28:45 /29:67 /30:15
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3037 bellsouth.net, inc.
7029 1613 2174 Windstream Communications Inc
8402 1537 1840 Corbina telecom
22773 1318 2013 Cox Communications, Inc.
30036 1217 1340 Mediacom Communications Corp
11492 1179 1218 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:796 3:3 4:15 5:861 6:4
8:542 12:1920 13:3 14:769 15:11 16:3
17:9 20:19 23:257 24:1776 27:1451 31:1207
32:42 33:2 34:5 36:43 37:1798 38:861
39:2 40:169 41:2626 42:185 44:6 46:1789
47:2 49:619 50:676 52:12 54:30 55:9
57:27 58:1108 59:588 60:305 61:1446 62:992
63:2033 64:4287 65:2183 66:4294 67:2066 68:1119
69:3252 70:876 71:529 72:1917 74:2565 75:411
76:294 77:1096 78:1040 79:590 80:1235 81:976
82:613 83:579 84:589 85:1165 86:471 87:964
88:527 89:1806 90:281 91:5489 92:614 93:1718
94:1871 95:1610 96:503 97:340 98:1050 99:41
100:29 101:311 103:2412 105:488 106:135 107:207
108:515 109:1783 110:851 111:1046 112:501 113:783
114:689 115:1014 116:876 117:778 118:1016 119:1249
120:389 121:817 122:1730 123:1176 124:1332 125:1328
128:635 129:226 130:332 131:654 132:336 133:148
134:258 135:62 136:222 137:248 138:344 139:185
140:199 141:317 142:542 143:372 144:485 145:93
146:510 147:384 148:697 149:366 150:163 151:528
152:419 153:194 154:44 155:395 156:259 157:394
158:267 159:717 160:337 161:424 162:379 163:202
164:575 165:450 166:336 167:578 168:1026 169:133
170:1025 171:174 172:5 173:1609 174:580 175:445
176:1233 177:1842 178:1808 179:2 180:1394 181:378
182:1130 183:374 184:662 185:354 186:2449 187:1255
188:2007 189:1361 190:6606 192:6488 193:5833 194:4646
195:3643 196:1333 197:826 198:4322 199:5280 200:6034
201:2373 202:8860 203:8755 204:4518 205:2553 206:2822
207:2833 208:4065 209:3561 210:2928 211:1565 212:2025
213:1917 214:943 215:98 216:5212 217:1575 218:624
219:347 220:1270 221:547 222:314 223:443
End of report
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