[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 25 18:33:21 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 26 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 440067
Prefixes after maximum aggregation: 181581
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216316
Total ASes present in the Internet Routing Table: 43092
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 34035
Origin ASes announcing only one prefix: 15882
Transit ASes present in the Internet Routing Table: 5748
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 383
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 3702
Number of 32-bit ASNs visible in the Routing Table: 3309
Prefixes from 32-bit ASNs in the Routing Table: 9101
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2629230732
Equivalent to 156 /8s, 182 /16s and 224 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 155150
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105770
Total APNIC prefixes after maximum aggregation: 32979
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106800
Unique aggregates announced from the APNIC address blocks: 43763
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.19
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 810
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 413
Number of APNIC addresses announced to Internet: 717487744
Equivalent to 42 /8s, 195 /16s and 254 /24s
Percentage of available APNIC address space announced: 83.9
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: 155256
Total ARIN prefixes after maximum aggregation: 78615
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155898
Unique aggregates announced from the ARIN address blocks: 70752
ARIN Region origin ASes present in the Internet Routing Table: 15412
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5816
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1091710336
Equivalent to 65 /8s, 18 /16s and 45 /24s
Percentage of available ARIN address space announced: 57.8
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: 113291
Total RIPE prefixes after maximum aggregation: 58417
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116355
Unique aggregates announced from the RIPE address blocks: 74458
RIPE Region origin ASes present in the Internet Routing Table: 17017
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2783
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2143
Number of RIPE addresses announced to Internet: 653189988
Equivalent to 38 /8s, 238 /16s and 227 /24s
Percentage of available RIPE address space announced: 95.0
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: 46280
Total LACNIC prefixes after maximum aggregation: 9120
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 49993
Unique aggregates announced from the LACNIC address blocks: 23482
LACNIC Region origin ASes present in the Internet Routing Table: 1787
LACNIC Prefixes per ASN: 27.98
LACNIC Region origin ASes announcing only one prefix: 513
LACNIC Region transit ASes present in the Internet Routing Table: 335
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 729
Number of LACNIC addresses announced to Internet: 122320936
Equivalent to 7 /8s, 74 /16s and 120 /24s
Percentage of available LACNIC address space announced: 72.9
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: 10236
Total AfriNIC prefixes after maximum aggregation: 2399
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10831
Unique aggregates announced from the AfriNIC address blocks: 3692
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 18.48
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44169216
Equivalent to 2 /8s, 161 /16s and 248 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1824 301 88 TPG Internet Pty Ltd
4755 1669 380 174 TATA Communications formerly
9829 1426 1152 45 BSNL National Internet Backbo
9583 1204 89 502 Sify Limited
7552 1140 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 385 160 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 3100 3700 119 bellsouth.net, inc.
7029 2286 1265 211 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1961 2931 128 Cox Communications, Inc.
1785 1949 678 124 PaeTec Communications, Inc.
20115 1687 1607 627 Charter Communications
4323 1598 1155 394 Time Warner Telecom
30036 1356 289 692 Mediacom Communications Corp
7018 1299 10550 861 AT&T WorldNet Services
7011 1207 319 687 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 1869 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 932 231 205 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 833 778 65 Uni2 Autonomous System
31148 747 38 16 FreeNet ISP
20940 732 247 581 Akamai Technologies European
8551 715 367 39 Bezeq International
6830 713 2313 434 UPC Distribution Services
58113 633 70 378 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 2329 1315 81 NET Servicos de Comunicao S.A
10620 2301 394 224 TVCABLE BOGOTA
7303 1671 1139 205 Telecom Argentina Stet-France
8151 1538 2894 372 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 772 85 95 Telconet S.A
18881 755 716 18 Global Village Telecom
14754 722 76 161 Telgua S. A.
3816 674 306 85 Empresa Nacional de Telecomun
11172 603 86 67 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 1091 80 4 MOBITEL
24863 896 275 36 LINKdotNET AS number
8452 553 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 696 90 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
6389 3100 3700 119 bellsouth.net, inc.
4766 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
28573 2329 1315 81 NET Servicos de Comunicao S.A
10620 2301 394 224 TVCABLE BOGOTA
7029 2286 1265 211 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1961 2931 128 Cox Communications, Inc.
1785 1949 678 124 PaeTec Communications, Inc.
8402 1869 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2329 2248 NET Servicos de Comunicao S.A
10620 2301 2077 TVCABLE BOGOTA
7029 2286 2075 Windstream Communications Inc
4766 2939 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1869 1853 Corbina telecom
22773 1961 1833 Cox Communications, Inc.
1785 1949 1825 PaeTec Communications, Inc.
7545 1824 1736 TPG Internet Pty Ltd
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
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
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
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
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
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
64.185.224.0/24 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.
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 /12:246
/13:479 /14:866 /15:1555 /16:12526 /17:6587 /18:10922
/19:21668 /20:31115 /21:33183 /22:44851 /23:40705 /24:231073
/25:1320 /26:1666 /27:866 /28:181 /29:76 /30:17
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1770 3100 bellsouth.net, inc.
7029 1643 2286 Windstream Communications Inc
8402 1581 1869 Corbina telecom
22773 1292 1961 Cox Communications, Inc.
30036 1250 1356 Mediacom Communications Corp
11492 1158 1195 Cable One
36998 1085 1091 MOBITEL
1785 1030 1949 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:700 2:777 3:3 4:13 5:722 6:3
8:490 12:1927 13:3 14:711 15:11 16:3
17:8 20:27 23:221 24:1803 27:1483 31:1132
32:54 33:2 34:5 36:9 37:1212 38:851
39:2 40:139 41:2721 42:180 44:4 46:1739
47:1 49:533 50:669 52:12 54:28 55:3
57:28 58:1074 59:560 60:249 61:1315 62:1034
63:2039 64:4315 65:2162 66:4265 67:2021 68:1120
69:3231 70:857 71:535 72:1879 74:2545 75:426
76:294 77:1030 78:1036 79:564 80:1224 81:980
82:647 83:535 84:573 85:1160 86:474 87:971
88:367 89:1732 90:285 91:5383 92:608 93:1651
94:2013 95:1592 96:484 97:331 98:1051 99:52
100:30 101:292 103:2031 105:530 106:129 107:208
108:503 109:1740 110:848 111:1001 112:473 113:750
114:676 115:926 116:886 117:785 118:964 119:1285
120:328 121:699 122:1723 123:1172 124:1315 125:1298
128:565 129:202 130:311 131:626 132:321 133:142
134:255 135:62 136:219 137:231 138:340 139:156
140:207 141:313 142:516 143:373 144:476 145:90
146:523 147:332 148:731 149:341 150:160 151:286
152:398 153:190 154:24 155:450 156:237 157:393
158:258 159:703 160:334 161:420 162:367 163:202
164:579 165:458 166:459 167:571 168:1005 169:131
170:1005 171:163 172:4 173:1555 174:757 175:427
176:1018 177:1626 178:1689 180:1375 181:214 182:1162
183:312 184:634 185:182 186:2240 187:1468 188:1898
189:1545 190:6512 192:6170 193:5835 194:4669 195:3659
196:1264 197:639 198:4078 199:5169 200:6015 201:2174
202:8803 203:8749 204:4468 205:2541 206:2798 207:2786
208:4064 209:3523 210:2902 211:1558 212:2011 213:1878
214:919 215:91 216:5048 217:1571 218:594 219:326
220:1267 221:527 222:337 223:412
End of report
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