[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Sep 14 04:35:38 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 14 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466731
Prefixes after maximum aggregation: 188606
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232076
Total ASes present in the Internet Routing Table: 44957
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35133
Origin ASes announcing only one prefix: 16260
Transit ASes present in the Internet Routing Table: 5898
Transit-only ASes present in the Internet Routing Table: 160
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5814
Unregistered ASNs in the Routing Table: 1930
Number of 32-bit ASNs allocated by the RIRs: 5026
Number of 32-bit ASNs visible in the Routing Table: 3926
Prefixes from 32-bit ASNs in the Routing Table: 12187
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 424
Number of addresses announced to Internet: 2642434644
Equivalent to 157 /8s, 128 /16s and 90 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 163699
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110762
Total APNIC prefixes after maximum aggregation: 33625
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112750
Unique aggregates announced from the APNIC address blocks: 46637
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 833
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 673
Number of APNIC addresses announced to Internet: 727657280
Equivalent to 43 /8s, 95 /16s and 43 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161603
Total ARIN prefixes after maximum aggregation: 81243
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162192
Unique aggregates announced from the ARIN address blocks: 75506
ARIN Region origin ASes present in the Internet Routing Table: 15873
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6016
ARIN Region transit ASes present in the Internet Routing Table: 1654
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1071208192
Equivalent to 63 /8s, 217 /16s and 87 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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: 118845
Total RIPE prefixes after maximum aggregation: 61298
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122683
Unique aggregates announced from the RIPE address blocks: 79591
RIPE Region origin ASes present in the Internet Routing Table: 17413
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8259
RIPE Region transit ASes present in the Internet Routing Table: 2807
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392
Number of RIPE addresses announced to Internet: 657272548
Equivalent to 39 /8s, 45 /16s and 46 /24s
Percentage of available RIPE address space announced: 95.6
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, 61952-62463, 196608-200191
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: 51379
Total LACNIC prefixes after maximum aggregation: 9759
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 56230
Unique aggregates announced from the LACNIC address blocks: 25968
LACNIC Region origin ASes present in the Internet Routing Table: 2017
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 376
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 834
Number of LACNIC addresses announced to Internet: 138838064
Equivalent to 8 /8s, 70 /16s and 128 /24s
Percentage of available LACNIC address space announced: 82.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11842
Total AfriNIC prefixes after maximum aggregation: 2623
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12452
Unique aggregates announced from the AfriNIC address blocks: 3987
AfriNIC Region origin ASes present in the Internet Routing Table: 657
AfriNIC Prefixes per ASN: 18.95
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 139
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46560000
Equivalent to 2 /8s, 198 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2923 11561 924 Korea Telecom (KIX)
17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2072 321 112 TPG Internet Pty Ltd
4755 1771 390 190 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1186 309 70 BHARTI Airtel Ltd.
4808 1159 2128 341 CNCGROUP IP network: China169
7552 1155 1080 13 Vietel Corporation
24560 1090 394 163 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 3068 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
20115 1678 1649 629 Charter Communications
4323 1617 1103 411 Time Warner Telecom
701 1531 11136 798 UUNET Technologies, Inc.
30036 1352 305 630 Mediacom Communications Corp
7018 1315 11261 827 AT&T WorldNet Services
11492 1222 218 365 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 1703 544 16 Corbina telecom
34984 1329 244 220 BILISIM TELEKOM
20940 1014 369 781 Akamai Technologies European
31148 981 43 20 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 Educational Network
8551 749 370 41 Bezeq International
12479 673 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
35228 528 246 16 Avatar Broadband Limited
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 3249 1722 97 NET Servicos de Comunicao S.A
10620 2559 418 246 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1430 844 20 Global Village Telecom
8151 1291 2782 391 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 94 92 Telconet S.A
6503 813 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 740 376 21 Telefonica Del Peru
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 1861 112 5 MOBITEL
24863 868 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 257 921 216 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 221 17 12 Ci Telecom Autonomous system
29975 191 667 21 Vodacom
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
28573 3249 1722 97 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2559 418 246 TVCABLE BOGOTA
7545 2072 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
36998 1861 112 5 MOBITEL
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 3068 3006 bellsouth.net, inc.
17974 2676 2585 PT TELEKOMUNIKASI INDONESIA
10620 2559 2313 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2072 1960 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
1785 2011 1886 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1703 1687 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
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.172.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /9:11 /10:31 /11:93 /12:250
/13:479 /14:914 /15:1625 /16:12781 /17:6701 /18:11142
/19:22929 /20:32520 /21:35083 /22:49455 /23:43148 /24:247083
/25:839 /26:988 /27:484 /28:48 /29:78 /30:19
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 3068 bellsouth.net, inc.
8402 1427 1703 Corbina telecom
22773 1328 2041 Cox Communications, Inc.
30036 1212 1352 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1083 2011 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
22561 930 1196 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:839 3:3 4:17 5:941 6:19
8:609 12:1889 13:3 14:868 15:11 16:3
17:11 18:19 20:21 23:389 24:1739 27:1564
31:1438 32:45 33:2 34:5 36:77 37:1846
38:903 39:3 40:179 41:3350 42:253 44:9
46:1989 47:4 49:670 50:837 52:12 54:37
55:7 57:26 58:1167 59:607 60:339 61:1421
62:1188 63:1984 64:4566 65:2364 66:4164 67:2073
68:1087 69:3298 70:865 71:496 72:2005 74:2549
75:330 76:304 77:1178 78:1054 79:620 80:1325
81:1029 82:646 83:582 84:583 85:1291 86:494
87:1040 88:559 89:1842 90:158 91:5656 92:605
93:1665 94:2072 95:1550 96:516 97:342 98:1038
99:44 100:31 101:606 103:3303 105:519 106:142
107:208 108:503 109:1881 110:961 111:1127 112:569
113:795 114:730 115:996 116:979 117:802 118:1156
119:1290 120:366 121:740 122:1869 123:1254 124:1382
125:1424 128:611 129:231 130:321 131:675 132:351
133:161 134:290 135:67 136:271 137:263 138:348
139:178 140:199 141:325 142:553 143:392 144:501
145:95 146:536 147:489 148:686 149:355 150:154
151:601 152:414 153:195 154:46 155:504 156:274
157:419 158:285 159:760 160:350 161:446 162:652
163:227 164:620 165:567 166:259 167:607 168:1047
169:125 170:1084 171:194 172:25 173:1603 174:522
175:498 176:1193 177:2263 178:1896 179:118 180:1530
181:722 182:1271 183:461 184:623 185:826 186:2491
187:1460 188:1880 189:1313 190:7087 192:6926 193:5652
194:4063 195:3332 196:1402 197:1004 198:4662 199:5420
200:6023 201:2538 202:8965 203:8918 204:4522 205:2628
206:2844 207:2884 208:4002 209:3605 210:2950 211:1555
212:2266 213:2050 214:928 215:99 216:5308 217:1655
218:623 219:313 220:1278 221:557 222:326 223:500
End of report
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