[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 2 18:33:39 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 03 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462161
Prefixes after maximum aggregation: 186936
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228387
Total ASes present in the Internet Routing Table: 44607
Prefixes per ASN: 10.36
Origin-only ASes present in the Internet Routing Table: 34905
Origin ASes announcing only one prefix: 16176
Transit ASes present in the Internet Routing Table: 5877
Transit-only ASes present in the Internet Routing Table: 159
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3785
Unregistered ASNs in the Routing Table: 1451
Number of 32-bit ASNs allocated by the RIRs: 4919
Number of 32-bit ASNs visible in the Routing Table: 3825
Prefixes from 32-bit ASNs in the Routing Table: 11480
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 280
Number of addresses announced to Internet: 2631038412
Equivalent to 156 /8s, 210 /16s and 117 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 162245
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111245
Total APNIC prefixes after maximum aggregation: 33944
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113001
Unique aggregates announced from the APNIC address blocks: 46108
APNIC Region origin ASes present in the Internet Routing Table: 4859
APNIC Prefixes per ASN: 23.26
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 624
Number of APNIC addresses announced to Internet: 725607392
Equivalent to 43 /8s, 63 /16s and 227 /24s
Percentage of available APNIC address space announced: 84.8
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: 159988
Total ARIN prefixes after maximum aggregation: 80604
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160571
Unique aggregates announced from the ARIN address blocks: 74210
ARIN Region origin ASes present in the Internet Routing Table: 15784
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5989
ARIN Region transit ASes present in the Internet Routing Table: 1648
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: 1067855936
Equivalent to 63 /8s, 166 /16s and 48 /24s
Percentage of available ARIN address space announced: 56.5
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, 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: 118234
Total RIPE prefixes after maximum aggregation: 60308
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122020
Unique aggregates announced from the RIPE address blocks: 78392
RIPE Region origin ASes present in the Internet Routing Table: 17320
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8206
RIPE Region transit ASes present in the Internet Routing Table: 2823
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: 2383
Number of RIPE addresses announced to Internet: 656244132
Equivalent to 39 /8s, 29 /16s and 125 /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: 49579
Total LACNIC prefixes after maximum aggregation: 9506
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 54151
Unique aggregates announced from the LACNIC address blocks: 25483
LACNIC Region origin ASes present in the Internet Routing Table: 1990
LACNIC Prefixes per ASN: 27.21
LACNIC Region origin ASes announcing only one prefix: 574
LACNIC Region transit ASes present in the Internet Routing Table: 363
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 793
Number of LACNIC addresses announced to Internet: 134428168
Equivalent to 8 /8s, 3 /16s and 54 /24s
Percentage of available LACNIC address space announced: 80.1
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: 11548
Total AfriNIC prefixes after maximum aggregation: 2534
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12138
Unique aggregates announced from the AfriNIC address blocks: 3934
AfriNIC Region origin ASes present in the Internet Routing Table: 643
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46568960
Equivalent to 2 /8s, 198 /16s and 150 /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 2918 11561 917 Korea Telecom (KIX)
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2037 320 111 TPG Internet Pty Ltd
4755 1782 393 201 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
9498 1176 309 71 BHARTI Airtel Ltd.
4808 1159 2133 336 CNCGROUP IP network: China169
7552 1131 1080 13 Vietel Corporation
24560 1087 394 164 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 2981 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
20115 1671 1623 622 Charter Communications
4323 1618 1105 406 Time Warner Telecom
701 1517 11093 804 UUNET Technologies, Inc.
30036 1356 307 653 Mediacom Communications Corp
7018 1318 11037 830 AT&T WorldNet Services
11492 1221 218 363 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 1605 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1155 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 958 336 743 Akamai Technologies European
6830 848 2371 431 UPC Distribution Services
13188 840 98 78 Educational Network
8551 780 370 45 Bezeq International
12479 678 796 52 Uni2 Autonomous System
9198 595 343 21 Kazakhtelecom Data Network Ad
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 2973 1591 110 NET Servicos de Comunicao S.A
10620 2652 421 228 TVCABLE BOGOTA
7303 1728 1156 220 Telecom Argentina Stet-France
8151 1276 2756 386 UniNet S.A. de C.V.
18881 1271 844 20 Global Village Telecom
27947 836 94 90 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
11830 749 364 15 Instituto Costarricense de El
3816 722 302 83 Empresa Nacional de Telecomun
7738 698 1370 35 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
36998 1860 112 5 MOBITEL
24863 875 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 279 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 209 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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 2981 3689 63 bellsouth.net, inc.
28573 2973 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 917 Korea Telecom (KIX)
10620 2652 421 228 TVCABLE BOGOTA
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2037 320 111 TPG Internet Pty Ltd
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
36998 1860 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
28573 2973 2863 NET Servicos de Comunicao S.A
17974 2651 2559 PT TELEKOMUNIKASI INDONESIA
10620 2652 2424 TVCABLE BOGOTA
4766 2918 2001 Korea Telecom (KIX)
7545 2037 1926 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2004 1880 PaeTec Communications, Inc.
22773 2001 1878 Cox Communications, Inc.
36998 1860 1855 MOBITEL
8402 1605 1589 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
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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
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
62.182.96.0/23 15830 TELECITY London
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 /9:11 /10:30 /11:92 /12:249
/13:479 /14:905 /15:1601 /16:12738 /17:6640 /18:11090
/19:22524 /20:32191 /21:34694 /22:48720 /23:42665 /24:243597
/25:1285 /26:1642 /27:839 /28:44 /29:74 /30:17
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1825 1860 MOBITEL
6389 1715 2981 bellsouth.net, inc.
8402 1304 1605 Corbina telecom
22773 1303 2001 Cox Communications, Inc.
30036 1218 1356 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2004 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 987 2652 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:829 2:695 3:3 4:19 5:909 6:17
8:580 12:1923 13:2 14:870 15:11 16:3
17:10 20:17 23:297 24:1770 27:1527 31:1354
32:45 33:2 34:5 36:71 37:1845 38:892
39:2 40:175 41:3280 42:249 44:8 46:1957
47:2 49:650 50:830 52:12 54:37 55:7
57:26 58:1164 59:614 60:332 61:1500 62:1177
63:2008 64:4348 65:2148 66:4190 67:2023 68:1093
69:3290 70:799 71:490 72:1914 74:2505 75:324
76:305 77:1123 78:1034 79:610 80:1288 81:1013
82:630 83:584 84:578 85:1235 86:466 87:1021
88:533 89:1804 90:154 91:5522 92:633 93:1685
94:1923 95:1629 96:592 97:344 98:1028 99:44
100:29 101:592 103:3079 105:523 106:139 107:208
108:520 109:1824 110:946 111:1073 112:564 113:816
114:701 115:1100 116:957 117:804 118:1144 119:1284
120:362 121:852 122:1803 123:1239 124:1370 125:1395
128:635 129:218 130:310 131:669 132:361 133:160
134:270 135:72 136:257 137:245 138:344 139:189
140:201 141:320 142:532 143:392 144:512 145:92
146:527 147:422 148:663 149:351 150:154 151:585
152:414 153:190 154:29 155:420 156:275 157:402
158:276 159:742 160:349 161:455 162:514 163:223
164:582 165:514 166:254 167:598 168:1026 169:126
170:1062 171:186 172:23 173:1576 174:556 175:501
176:1168 177:2121 178:1888 179:72 180:1507 181:595
182:1293 183:420 184:674 185:703 186:2317 187:1380
188:1888 189:1329 190:6827 192:6812 193:5625 194:4708
195:3587 196:1322 197:990 198:4565 199:5372 200:6002
201:2443 202:8787 203:8876 204:4512 205:2595 206:2826
207:2895 208:4002 209:3596 210:2937 211:1530 212:2240
213:2014 214:912 215:99 216:5252 217:1636 218:617
219:332 220:1274 221:551 222:318 223:462
End of report
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