[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 4 18:44:28 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 05 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438213
Prefixes after maximum aggregation: 181057
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215491
Total ASes present in the Internet Routing Table: 42975
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 33999
Origin ASes announcing only one prefix: 15908
Transit ASes present in the Internet Routing Table: 5711
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 374
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 3618
Number of 32-bit ASNs visible in the Routing Table: 3265
Prefixes from 32-bit ASNs in the Routing Table: 8876
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2622004844
Equivalent to 156 /8s, 72 /16s and 158 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154787
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105421
Total APNIC prefixes after maximum aggregation: 32827
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106384
Unique aggregates announced from the APNIC address blocks: 43509
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.12
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 804
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 404
Number of APNIC addresses announced to Internet: 716927840
Equivalent to 42 /8s, 187 /16s and 115 /24s
Percentage of available APNIC address space announced: 83.8
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: 156128
Total ARIN prefixes after maximum aggregation: 78474
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156813
Unique aggregates announced from the ARIN address blocks: 70729
ARIN Region origin ASes present in the Internet Routing Table: 15368
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5812
ARIN Region transit ASes present in the Internet Routing Table: 1589
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1090414976
Equivalent to 64 /8s, 254 /16s and 105 /24s
Percentage of available ARIN address space announced: 57.7
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, 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: 112772
Total RIPE prefixes after maximum aggregation: 58370
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115760
Unique aggregates announced from the RIPE address blocks: 74317
RIPE Region origin ASes present in the Internet Routing Table: 17013
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2767
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2106
Number of RIPE addresses announced to Internet: 650081892
Equivalent to 38 /8s, 191 /16s and 118 /24s
Percentage of available RIPE address space announced: 94.5
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: 45236
Total LACNIC prefixes after maximum aggregation: 8993
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48856
Unique aggregates announced from the LACNIC address blocks: 23141
LACNIC Region origin ASes present in the Internet Routing Table: 1764
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 504
LACNIC Region transit ASes present in the Internet Routing Table: 335
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 732
Number of LACNIC addresses announced to Internet: 121174312
Equivalent to 7 /8s, 56 /16s and 249 /24s
Percentage of available LACNIC address space announced: 72.2
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: 9660
Total AfriNIC prefixes after maximum aggregation: 2340
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10222
Unique aggregates announced from the AfriNIC address blocks: 3636
AfriNIC Region origin ASes present in the Internet Routing Table: 585
AfriNIC Prefixes per ASN: 17.47
AfriNIC Region origin ASes announcing only one prefix: 188
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43102208
Equivalent to 2 /8s, 145 /16s and 176 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2928 11555 911 Korea Telecom (KIX)
17974 2487 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1664 381 175 TATA Communications formerly
9829 1409 1155 41 BSNL National Internet Backbo
9583 1198 89 501 Sify Limited
7552 1142 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1038 385 161 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
7029 3457 1266 216 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1952 2932 131 Cox Communications, Inc.
1785 1945 678 124 PaeTec Communications, Inc.
20115 1690 1604 620 Charter Communications
4323 1596 1155 397 Time Warner Telecom
30036 1354 288 708 Mediacom Communications Corp
7018 1293 10549 853 AT&T WorldNet Services
7011 1206 321 685 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 1738 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 904 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 770 96 117 Educational Network
31148 743 38 15 FreeNet ISP
20940 734 242 572 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 658 367 39 Bezeq International
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
10620 2270 387 207 TVCABLE BOGOTA
28573 2258 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
6503 1452 435 67 AVANTEL, S.A.
8151 1417 2913 354 UniNet S.A. de C.V.
18881 747 716 18 Global Village Telecom
27947 745 85 94 Telconet S.A
3816 672 309 71 Empresa Nacional de Telecomun
11172 602 86 66 Servicios Alestra S.A de C.V
7738 587 1242 34 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
24863 878 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 543 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 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
7029 3457 1266 216 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
4766 2928 11555 911 Korea Telecom (KIX)
17974 2487 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2270 387 207 TVCABLE BOGOTA
28573 2258 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1952 2932 131 Cox Communications, Inc.
1785 1945 678 124 PaeTec Communications, Inc.
7545 1815 301 88 TPG Internet Pty Ltd
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 3117 2986 bellsouth.net, inc.
17974 2487 2433 PT TELEKOMUNIKASI INDONESIA
28573 2258 2188 NET Servicos de Comunicao S.A
10620 2270 2063 TVCABLE BOGOTA
4766 2928 2017 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1952 1821 Cox Communications, Inc.
1785 1945 1821 PaeTec Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1738 1722 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
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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
128.0.144.0/22 59675 mywire Datentechnik GmbH
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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /11:87 /12:245
/13:478 /14:859 /15:1546 /16:12490 /17:6562 /18:10926
/19:21636 /20:31075 /21:33048 /22:44245 /23:40846 /24:230123
/25:1300 /26:1682 /27:871 /28:41 /29:59 /30:13
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2723 3457 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1773 3117 bellsouth.net, inc.
8402 1463 1738 Corbina telecom
22773 1283 1952 Cox Communications, Inc.
30036 1255 1354 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1027 1945 PaeTec Communications, Inc.
6503 979 1452 AVANTEL, S.A.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:685 2:697 3:3 4:13 5:703 6:3
8:477 12:1938 13:3 14:701 15:11 16:3
17:6 20:27 23:221 24:1793 27:1473 31:1367
32:54 33:2 34:2 36:11 37:1160 38:842
39:2 40:139 41:2599 42:180 44:3 46:1705
47:3 49:531 50:649 52:12 54:28 55:8
57:28 58:1071 59:561 60:236 61:1317 62:1033
63:2021 64:4361 65:2200 66:4499 67:2088 68:1197
69:3334 70:939 71:551 72:1888 74:2619 75:470
76:295 77:1050 78:1034 79:545 80:1214 81:982
82:655 83:532 84:530 85:1165 86:463 87:969
88:360 89:1737 90:304 91:5387 92:610 93:1617
94:1982 95:1618 96:489 97:337 98:983 99:48
100:32 101:298 103:1969 105:501 106:125 107:207
108:508 109:1743 110:839 111:988 112:470 113:742
114:682 115:896 116:900 117:775 118:967 119:1268
120:373 121:707 122:1725 123:1168 124:1315 125:1301
128:810 129:201 130:309 131:641 132:319 133:142
134:255 135:62 136:209 137:232 138:342 139:169
140:182 141:300 142:514 143:355 144:490 145:89
146:520 147:326 148:727 149:335 150:158 151:248
152:398 153:188 154:24 155:413 156:232 157:379
158:256 159:680 160:335 161:422 162:370 163:193
164:587 165:461 166:464 167:569 168:1005 169:131
170:1001 171:164 172:4 173:1590 174:770 175:470
176:950 177:1522 178:1705 180:1361 181:189 182:1148
183:292 184:656 185:155 186:2175 187:1437 188:1910
189:1552 190:6202 192:6103 193:5714 194:4493 195:3607
196:1227 197:287 198:4045 199:5162 200:6024 201:2017
202:8790 203:8730 204:4475 205:2538 206:2799 207:2773
208:4066 209:3665 210:2900 211:1560 212:1995 213:1882
214:873 215:91 216:5136 217:1564 218:596 219:323
220:1259 221:544 222:323 223:395
End of report
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