[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Dec 1 05:55:40 EST 2012
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 01 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 434185
Prefixes after maximum aggregation: 180393
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 212775
Total ASes present in the Internet Routing Table: 42729
Prefixes per ASN: 10.16
Origin-only ASes present in the Internet Routing Table: 33874
Origin ASes announcing only one prefix: 15815
Transit ASes present in the Internet Routing Table: 5690
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1103
Unregistered ASNs in the Routing Table: 406
Number of 32-bit ASNs allocated by the RIRs: 3544
Number of 32-bit ASNs visible in the Routing Table: 3165
Prefixes from 32-bit ASNs in the Routing Table: 8591
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 146
Number of addresses announced to Internet: 2614823628
Equivalent to 155 /8s, 219 /16s and 10 /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: 93.9
Total number of prefixes smaller than registry allocations: 153016
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104809
Total APNIC prefixes after maximum aggregation: 32640
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105681
Unique aggregates announced from the APNIC address blocks: 43268
APNIC Region origin ASes present in the Internet Routing Table: 4800
APNIC Prefixes per ASN: 22.02
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 786
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 375
Number of APNIC addresses announced to Internet: 715311872
Equivalent to 42 /8s, 162 /16s and 203 /24s
Percentage of available APNIC address space announced: 83.6
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: 155613
Total ARIN prefixes after maximum aggregation: 78549
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156347
Unique aggregates announced from the ARIN address blocks: 69911
ARIN Region origin ASes present in the Internet Routing Table: 15313
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5771
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1087539840
Equivalent to 64 /8s, 210 /16s and 138 /24s
Percentage of available ARIN address space announced: 57.5
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: 110794
Total RIPE prefixes after maximum aggregation: 57939
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113671
Unique aggregates announced from the RIPE address blocks: 73036
RIPE Region origin ASes present in the Internet Routing Table: 16973
RIPE Prefixes per ASN: 6.70
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2750
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2051
Number of RIPE addresses announced to Internet: 648513060
Equivalent to 38 /8s, 167 /16s and 134 /24s
Percentage of available RIPE address space announced: 94.3
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: 44625
Total LACNIC prefixes after maximum aggregation: 8910
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 48145
Unique aggregates announced from the LACNIC address blocks: 22869
LACNIC Region origin ASes present in the Internet Routing Table: 1732
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 496
LACNIC Region transit ASes present in the Internet Routing Table: 330
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 715
Number of LACNIC addresses announced to Internet: 120089384
Equivalent to 7 /8s, 40 /16s and 107 /24s
Percentage of available LACNIC address space announced: 71.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9637
Total AfriNIC prefixes after maximum aggregation: 2298
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10195
Unique aggregates announced from the AfriNIC address blocks: 3564
AfriNIC Region origin ASes present in the Internet Routing Table: 578
AfriNIC Prefixes per ASN: 17.64
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43071488
Equivalent to 2 /8s, 145 /16s and 56 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2942 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1811 301 90 TPG Internet Pty Ltd
4755 1625 374 159 TATA Communications formerly
9829 1412 1155 42 BSNL National Internet Backbo
9583 1182 88 499 Sify Limited
7552 1142 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 310 74 BHARTI Airtel Ltd.
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
7029 3196 994 218 Windstream Communications Inc
6389 3145 3719 148 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1589 1153 394 Time Warner Telecom
30036 1360 280 750 Mediacom Communications Corp
7018 1279 10275 848 AT&T WorldNet Services
7011 1223 334 693 Citizens Utilities
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 1715 544 16 Corbina telecom
12479 856 777 64 Uni2 Autonomous System
34984 849 210 215 BILISIM TELEKOM
2118 784 97 15 EUnet/RELCOM Autonomous Syste
13188 742 94 132 Educational Network
31148 738 38 13 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 705 227 545 Akamai Technologies European
8551 603 367 39 Bezeq International
58113 603 68 366 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
10620 2261 386 206 TVCABLE BOGOTA
28573 2160 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1601 3022 356 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 754 77 92 Telconet S.A
3816 659 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 595 716 18 Global Village Telecom
7738 579 1178 33 Telecomunicacoes da Bahia S.A
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
24863 873 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 536 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 179 697 88 MTN Network Solutions
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
7029 3196 994 218 Windstream Communications Inc
6389 3145 3719 148 bellsouth.net, inc.
4766 2942 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2160 1285 66 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
7545 1811 301 90 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
6389 3145 2997 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2160 2094 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2942 2042 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
1785 1935 1811 PaeTec Communications, Inc.
22773 1938 1807 Cox Communications, Inc.
7545 1811 1721 TPG Internet Pty Ltd
8402 1715 1699 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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 /8:18 /9:13 /10:29 /11:88 /12:243
/13:478 /14:858 /15:1555 /16:12467 /17:6553 /18:10881
/19:21495 /20:30777 /21:32846 /22:43646 /23:40544 /24:227407
/25:1363 /26:1734 /27:885 /28:184 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2620 3196 Windstream Communications Inc
18566 2033 2083 Covad Communications
6389 1781 3145 bellsouth.net, inc.
8402 1424 1715 Corbina telecom
22773 1273 1938 Cox Communications, Inc.
30036 1273 1360 Mediacom Communications Corp
11492 1146 1181 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1021 1935 PaeTec Communications, Inc.
7011 958 1223 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:646 2:753 3:1 4:13 5:660 6:3
8:488 12:1953 13:3 14:701 15:10 16:3
17:6 20:27 23:217 24:1779 27:1416 31:1297
32:54 33:2 34:2 36:7 37:1057 38:845
39:2 40:140 41:2624 42:179 44:3 46:1699
47:3 49:507 50:619 52:12 54:27 55:7
57:28 58:1067 59:550 60:234 61:1287 62:1026
63:2022 64:4332 65:2200 66:4499 67:2100 68:1165
69:3238 70:926 71:557 72:1893 74:2622 75:479
76:299 77:986 78:1020 79:506 80:1227 81:982
82:632 83:540 84:529 85:1159 86:477 87:960
88:354 89:1744 90:305 91:5352 92:590 93:1574
94:2014 95:1202 96:408 97:323 98:972 99:40
100:31 101:285 103:1868 105:516 106:119 107:202
108:487 109:1669 110:814 111:972 112:459 113:737
114:643 115:898 116:888 117:777 118:962 119:1253
120:376 121:678 122:1738 123:1179 124:1326 125:1290
128:572 129:201 130:294 131:666 132:317 133:143
134:254 135:62 136:215 137:238 138:340 139:168
140:492 141:294 142:499 143:363 144:492 145:83
146:523 147:287 148:735 149:330 150:155 151:221
152:398 153:183 154:22 155:440 156:226 157:375
158:279 159:673 160:335 161:414 162:370 163:192
164:581 165:449 166:479 167:561 168:980 169:130
170:977 171:151 172:6 173:1699 174:640 175:441
176:889 177:1451 178:1681 180:1351 181:178 182:1116
183:303 184:621 185:104 186:2065 187:1437 188:1790
189:1603 190:5975 192:6064 193:5428 194:4395 195:3659
196:1238 197:272 198:3951 199:5098 200:6018 201:1971
202:8803 203:8741 204:4439 205:2554 206:2759 207:2802
208:4067 209:3651 210:2900 211:1527 212:2149 213:1870
214:886 215:74 216:5180 217:1605 218:588 219:311
220:1258 221:533 222:336 223:419
End of report
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