[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 24 19:32:18 UTC 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 25 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455658
Prefixes after maximum aggregation: 185562
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224685
Total ASes present in the Internet Routing Table: 44157
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34642
Origin ASes announcing only one prefix: 16112
Transit ASes present in the Internet Routing Table: 5852
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 315
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 4775
Number of 32-bit ASNs visible in the Routing Table: 3663
Prefixes from 32-bit ASNs in the Routing Table: 10451
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 244
Number of addresses announced to Internet: 2619297836
Equivalent to 156 /8s, 31 /16s and 80 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 160151
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110112
Total APNIC prefixes after maximum aggregation: 33502
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111514
Unique aggregates announced from the APNIC address blocks: 44846
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 23.03
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 829
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 537
Number of APNIC addresses announced to Internet: 722621440
Equivalent to 43 /8s, 18 /16s and 84 /24s
Percentage of available APNIC address space announced: 84.5
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: 159423
Total ARIN prefixes after maximum aggregation: 80337
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160003
Unique aggregates announced from the ARIN address blocks: 73260
ARIN Region origin ASes present in the Internet Routing Table: 15710
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5979
ARIN Region transit ASes present in the Internet Routing Table: 1631
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: 19
Number of ARIN addresses announced to Internet: 1063351616
Equivalent to 63 /8s, 97 /16s and 117 /24s
Percentage of available ARIN address space announced: 56.3
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: 117067
Total RIPE prefixes after maximum aggregation: 59894
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120631
Unique aggregates announced from the RIPE address blocks: 78083
RIPE Region origin ASes present in the Internet Routing Table: 17198
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2816
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2342
Number of RIPE addresses announced to Internet: 656531684
Equivalent to 39 /8s, 33 /16s and 224 /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: 47649
Total LACNIC prefixes after maximum aggregation: 9284
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51815
Unique aggregates announced from the LACNIC address blocks: 24372
LACNIC Region origin ASes present in the Internet Routing Table: 1933
LACNIC Prefixes per ASN: 26.81
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 354
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 759
Number of LACNIC addresses announced to Internet: 129734152
Equivalent to 7 /8s, 187 /16s and 150 /24s
Percentage of available LACNIC address space announced: 77.3
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: 10870
Total AfriNIC prefixes after maximum aggregation: 2505
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11451
Unique aggregates announced from the AfriNIC address blocks: 3899
AfriNIC Region origin ASes present in the Internet Routing Table: 631
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46505984
Equivalent to 2 /8s, 197 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2962 11559 926 Korea Telecom (KIX)
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7545 1984 320 108 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1167 1064 12 Vietel Corporation
4808 1133 2112 329 CNCGROUP IP network: China169
9498 1113 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 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 3018 3693 79 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications, Inc.
7029 1973 1265 211 Windstream Communications Inc
20115 1671 1610 612 Charter Communications
4323 1608 1138 399 Time Warner Telecom
30036 1327 296 645 Mediacom Communications Corp
7018 1302 11074 834 AT&T WorldNet Services
11492 1234 221 342 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 1787 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1205 240 228 BILISIM TELEKOM
20940 856 298 674 Akamai Technologies European
13188 827 98 73 Educational Network
31148 795 40 24 FreeNet ISP
6830 771 2377 444 UPC Distribution Services
8551 771 370 43 Bezeq International
34744 688 173 56 SC GVM SISTEM 2003 SRL
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 2766 1535 115 NET Servicos de Comunicao S.A
10620 2625 412 228 TVCABLE BOGOTA
7303 1726 1154 224 Telecom Argentina Stet-France
8151 1257 2707 396 UniNet S.A. de C.V.
18881 951 780 19 Global Village Telecom
6503 933 435 68 AVANTEL, S.A.
27947 835 89 104 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 Servicios Alestra S.A de C.V
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 1237 80 4 MOBITEL
24863 886 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 444 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3018 3693 79 bellsouth.net, inc.
4766 2962 11559 926 Korea Telecom (KIX)
28573 2766 1535 115 NET Servicos de Comunicao S.A
10620 2625 412 228 TVCABLE BOGOTA
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
7545 1984 320 108 TPG Internet Pty Ltd
22773 1979 2929 125 Cox Communications, Inc.
7029 1973 1265 211 Windstream Communications Inc
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 2766 2651 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2625 2397 TVCABLE BOGOTA
4766 2962 2036 Korea Telecom (KIX)
18566 2066 1882 Covad Communications
7545 1984 1876 TPG Internet Pty Ltd
1785 1992 1868 PaeTec Communications, Inc.
22773 1979 1854 Cox Communications, Inc.
8402 1787 1771 Corbina telecom
7029 1973 1762 Windstream Communications Inc
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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /10:30 /11:88 /12:249
/13:483 /14:895 /15:1581 /16:12669 /17:6643 /18:11170
/19:22240 /20:32135 /21:34322 /22:47650 /23:42441 /24:239067
/25:1304 /26:1665 /27:850 /28:47 /29:63 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1733 3018 bellsouth.net, inc.
7029 1526 1973 Windstream Communications Inc
8402 1479 1787 Corbina telecom
22773 1287 1979 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1197 1327 Mediacom Communications Corp
11492 1194 1234 Cable One
1785 1063 1992 PaeTec Communications, Inc.
6983 1008 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:801 2:797 3:3 4:15 5:888 6:8
8:554 12:1906 13:3 14:828 15:11 16:3
17:9 20:17 23:274 24:1764 27:1479 31:1291
32:57 33:2 34:5 36:28 37:1864 38:876
39:2 40:172 41:2782 42:192 44:6 46:1917
47:2 49:588 50:704 52:12 54:33 55:7
57:26 58:1193 59:570 60:313 61:1404 62:1110
63:2037 64:4351 65:2180 66:4371 67:2060 68:1131
69:3310 70:879 71:527 72:1921 74:2568 75:406
76:305 77:1109 78:1047 79:591 80:1262 81:989
82:624 83:570 84:534 85:1165 86:461 87:982
88:539 89:1765 90:144 91:5483 92:593 93:1700
94:1839 95:1504 96:514 97:344 98:1028 99:41
100:30 101:332 103:2634 105:519 106:92 107:209
108:518 109:1824 110:888 111:1035 112:510 113:800
114:719 115:1022 116:931 117:796 118:1075 119:1300
120:435 121:730 122:1805 123:1229 124:1354 125:1375
128:643 129:221 130:324 131:648 132:334 133:149
134:267 135:66 136:221 137:261 138:344 139:186
140:208 141:326 142:548 143:371 144:481 145:93
146:510 147:392 148:682 149:374 150:158 151:568
152:416 153:199 154:43 155:395 156:264 157:398
158:278 159:730 160:338 161:430 162:427 163:218
164:594 165:497 166:279 167:590 168:1031 169:129
170:1028 171:180 172:21 173:1663 174:582 175:483
176:1091 177:1982 178:1855 179:6 180:1461 181:401
182:1198 183:386 184:675 185:463 186:2272 187:1284
188:2140 189:1321 190:6363 192:6634 193:5860 194:4591
195:3425 196:1362 197:910 198:4434 199:5304 200:5910
201:2252 202:8914 203:8902 204:4504 205:2567 206:2840
207:2903 208:4052 209:3627 210:2984 211:1518 212:2198
213:1923 214:902 215:98 216:5238 217:1609 218:618
219:330 220:1261 221:558 222:318 223:483
End of report
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