[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 17 18:34:26 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 18 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454719
Prefixes after maximum aggregation: 185412
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224945
Total ASes present in the Internet Routing Table: 44101
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34624
Origin ASes announcing only one prefix: 16102
Transit ASes present in the Internet Routing Table: 5833
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 320
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4770
Number of 32-bit ASNs visible in the Routing Table: 3644
Prefixes from 32-bit ASNs in the Routing Table: 10428
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 260
Number of addresses announced to Internet: 2616500460
Equivalent to 155 /8s, 244 /16s and 160 /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: 160213
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109185
Total APNIC prefixes after maximum aggregation: 33486
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110553
Unique aggregates announced from the APNIC address blocks: 44986
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.82
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 527
Number of APNIC addresses announced to Internet: 722376416
Equivalent to 43 /8s, 14 /16s and 150 /24s
Percentage of available APNIC address space announced: 84.4
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: 159587
Total ARIN prefixes after maximum aggregation: 80307
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160174
Unique aggregates announced from the ARIN address blocks: 73630
ARIN Region origin ASes present in the Internet Routing Table: 15701
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5977
ARIN Region transit ASes present in the Internet Routing Table: 1634
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: 1062085504
Equivalent to 63 /8s, 78 /16s and 35 /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: 117001
Total RIPE prefixes after maximum aggregation: 59797
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120559
Unique aggregates announced from the RIPE address blocks: 77886
RIPE Region origin ASes present in the Internet Routing Table: 17174
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2800
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: 2332
Number of RIPE addresses announced to Internet: 656203364
Equivalent to 39 /8s, 28 /16s and 222 /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: 47606
Total LACNIC prefixes after maximum aggregation: 9289
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 51794
Unique aggregates announced from the LACNIC address blocks: 24339
LACNIC Region origin ASes present in the Internet Routing Table: 1932
LACNIC Prefixes per ASN: 26.81
LACNIC Region origin ASes announcing only one prefix: 573
LACNIC Region transit ASes present in the Internet Routing Table: 353
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: 760
Number of LACNIC addresses announced to Internet: 129090344
Equivalent to 7 /8s, 177 /16s and 195 /24s
Percentage of available LACNIC address space announced: 76.9
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: 10824
Total AfriNIC prefixes after maximum aggregation: 2492
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11379
Unique aggregates announced from the AfriNIC address blocks: 3870
AfriNIC Region origin ASes present in the Internet Routing Table: 625
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46428416
Equivalent to 2 /8s, 196 /16s and 113 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2958 11559 924 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1980 320 108 TPG Internet Pty Ltd
4755 1729 391 192 TATA Communications formerly
9829 1510 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1171 1064 12 Vietel Corporation
4808 1121 2112 328 CNCGROUP IP network: China169
9498 1109 309 71 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 3020 3693 81 bellsouth.net, inc.
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 123 PaeTec Communications, Inc.
22773 1974 2929 125 Cox Communications, Inc.
20115 1668 1608 617 Charter Communications
4323 1620 1139 401 Time Warner Telecom
30036 1327 295 643 Mediacom Communications Corp
7018 1311 10819 848 AT&T WorldNet Services
11492 1231 220 345 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 1773 544 16 Corbina telecom
2118 1309 97 13 EUnet/RELCOM Autonomous Syste
34984 1204 240 228 BILISIM TELEKOM
20940 832 286 659 Akamai Technologies European
13188 820 97 84 Educational Network
31148 792 39 22 FreeNet ISP
8551 772 370 43 Bezeq International
6830 770 2376 443 UPC Distribution Services
12479 686 782 67 Uni2 Autonomous System
34744 676 173 56 SC GVM SISTEM 2003 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 2732 1528 113 NET Servicos de Comunicao S.A
10620 2631 412 224 TVCABLE BOGOTA
7303 1723 1153 221 Telecom Argentina Stet-France
8151 1247 2705 394 UniNet S.A. de C.V.
6503 979 435 68 AVANTEL, S.A.
18881 940 780 19 Global Village Telecom
27947 840 89 99 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 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 445 956 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 3020 3693 81 bellsouth.net, inc.
4766 2958 11559 924 Korea Telecom (KIX)
28573 2732 1528 113 NET Servicos de Comunicao S.A
10620 2631 412 224 TVCABLE BOGOTA
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 123 PaeTec Communications, Inc.
7545 1980 320 108 TPG Internet Pty Ltd
22773 1974 2929 125 Cox 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 2732 2619 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2631 2407 TVCABLE BOGOTA
4766 2958 2034 Korea Telecom (KIX)
7029 2143 1932 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1980 1872 TPG Internet Pty Ltd
1785 1989 1866 PaeTec Communications, Inc.
22773 1974 1849 Cox Communications, Inc.
8402 1773 1757 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
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
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 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 /11:87 /12:248
/13:490 /14:882 /15:1567 /16:12689 /17:6625 /18:11182
/19:22118 /20:32017 /21:34142 /22:47283 /23:42242 /24:239077
/25:1308 /26:1689 /27:868 /28:44 /29:66 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1733 3020 bellsouth.net, inc.
7029 1611 2143 Windstream Communications Inc
8402 1469 1773 Corbina telecom
22773 1283 1974 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1197 1327 Mediacom Communications Corp
11492 1192 1231 Cable One
1785 1062 1989 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)
----------------------------------------------
1:803 2:756 3:3 4:15 5:879 6:7
8:557 12:1933 13:3 14:820 15:11 16:3
17:9 20:17 23:281 24:1767 27:1511 31:1286
32:43 33:2 34:5 36:28 37:1849 38:875
39:2 40:172 41:2785 42:192 44:6 46:1897
47:2 49:637 50:708 52:12 54:35 55:7
57:26 58:1141 59:571 60:313 61:1391 62:1090
63:2026 64:4327 65:2195 66:4359 67:2063 68:1128
69:3279 70:880 71:537 72:1924 74:2559 75:416
76:308 77:1111 78:1046 79:591 80:1255 81:994
82:624 83:557 84:530 85:1161 86:462 87:980
88:536 89:1792 90:162 91:5478 92:587 93:1706
94:1833 95:1490 96:529 97:344 98:1053 99:41
100:31 101:329 103:2593 105:519 106:153 107:209
108:520 109:1851 110:882 111:1053 112:516 113:799
114:710 115:946 116:912 117:789 118:1073 119:1287
120:408 121:724 122:1795 123:1215 124:1348 125:1354
128:637 129:224 130:325 131:653 132:341 133:149
134:262 135:66 136:221 137:265 138:345 139:197
140:207 141:327 142:549 143:382 144:485 145:92
146:514 147:405 148:696 149:373 150:160 151:569
152:418 153:199 154:43 155:394 156:264 157:399
158:277 159:729 160:357 161:427 162:434 163:218
164:594 165:450 166:300 167:585 168:1037 169:133
170:1026 171:178 172:22 173:1668 174:592 175:489
176:1291 177:2035 178:1875 179:6 180:1431 181:388
182:1210 183:379 184:677 185:438 186:2272 187:1322
188:2145 189:1358 190:6310 192:6653 193:5865 194:4630
195:3420 196:1332 197:906 198:4462 199:5290 200:5924
201:2252 202:8874 203:8844 204:4507 205:2569 206:2841
207:2897 208:4072 209:3623 210:2957 211:1559 212:2107
213:1952 214:914 215:98 216:5241 217:1605 218:615
219:330 220:1279 221:555 222:319 223:442
End of report
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