[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 28 18:58:58 UTC 2012
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 29 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438252
Prefixes after maximum aggregation: 181041
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215672
Total ASes present in the Internet Routing Table: 42943
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33998
Origin ASes announcing only one prefix: 15900
Transit ASes present in the Internet Routing Table: 5694
Transit-only ASes present in the Internet Routing Table: 137
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: 373
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 3609
Number of 32-bit ASNs visible in the Routing Table: 3251
Prefixes from 32-bit ASNs in the Routing Table: 8795
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2620507916
Equivalent to 156 /8s, 49 /16s and 199 /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: 154887
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105461
Total APNIC prefixes after maximum aggregation: 32809
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106390
Unique aggregates announced from the APNIC address blocks: 43557
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: 1248
APNIC Region transit ASes present in the Internet Routing Table: 798
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: 393
Number of APNIC addresses announced to Internet: 716761856
Equivalent to 42 /8s, 184 /16s and 235 /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: 155868
Total ARIN prefixes after maximum aggregation: 78374
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156536
Unique aggregates announced from the ARIN address blocks: 70647
ARIN Region origin ASes present in the Internet Routing Table: 15348
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5807
ARIN Region transit ASes present in the Internet Routing Table: 1591
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: 1089154688
Equivalent to 64 /8s, 235 /16s and 46 /24s
Percentage of available ARIN address space announced: 57.6
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: 112934
Total RIPE prefixes after maximum aggregation: 58409
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115880
Unique aggregates announced from the RIPE address blocks: 74516
RIPE Region origin ASes present in the Internet Routing Table: 17011
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2755
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2104
Number of RIPE addresses announced to Internet: 650459748
Equivalent to 38 /8s, 197 /16s and 58 /24s
Percentage of available RIPE address space announced: 94.6
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: 45330
Total LACNIC prefixes after maximum aggregation: 9040
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 48936
Unique aggregates announced from the LACNIC address blocks: 23162
LACNIC Region origin ASes present in the Internet Routing Table: 1766
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 503
LACNIC Region transit ASes present in the Internet Routing Table: 338
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: 731
Number of LACNIC addresses announced to Internet: 120924712
Equivalent to 7 /8s, 53 /16s and 42 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9744
Total AfriNIC prefixes after maximum aggregation: 2356
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10337
Unique aggregates announced from the AfriNIC address blocks: 3636
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 42905088
Equivalent to 2 /8s, 142 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2946 11556 914 Korea Telecom (KIX)
17974 2485 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1658 381 174 TATA Communications formerly
9829 1416 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1147 1070 12 Vietel Corporation
4808 1123 2040 316 CNCGROUP IP network: China169
9498 1051 309 74 BHARTI Airtel Ltd.
24560 1037 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 3468 1010 215 Windstream Communications Inc
6389 3118 3717 132 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
20115 1688 1603 618 Charter Communications
4323 1597 1155 397 Time Warner Telecom
30036 1356 287 705 Mediacom Communications Corp
7018 1294 10534 854 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 1731 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 768 96 115 Educational Network
31148 743 38 15 FreeNet ISP
20940 734 241 571 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 637 367 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 2252 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1547 2936 352 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 745 86 89 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 601 86 66 Servicios Alestra S.A de C.V
7738 588 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 872 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 549 958 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 3468 1010 215 Windstream Communications Inc
6389 3118 3717 132 bellsouth.net, inc.
4766 2946 11556 914 Korea Telecom (KIX)
17974 2485 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2270 387 207 TVCABLE BOGOTA
28573 2252 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1941 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 3118 2986 bellsouth.net, inc.
17974 2485 2431 PT TELEKOMUNIKASI INDONESIA
28573 2252 2182 NET Servicos de Comunicao S.A
10620 2270 2063 TVCABLE BOGOTA
4766 2946 2032 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
1785 1941 1817 PaeTec Communications, Inc.
22773 1947 1816 Cox Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1731 1715 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
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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 /12:244
/13:477 /14:858 /15:1545 /16:12489 /17:6566 /18:10939
/19:21633 /20:31043 /21:33016 /22:44333 /23:40798 /24:230036
/25:1304 /26:1682 /27:869 /28:172 /29:69 /30:13
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2729 3468 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1773 3118 bellsouth.net, inc.
8402 1455 1731 Corbina telecom
22773 1279 1947 Cox Communications, Inc.
30036 1261 1356 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1454 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)
----------------------------------------------
1:704 2:692 3:3 4:9 5:701 6:3
8:470 12:1929 13:3 14:701 15:11 16:3
17:6 20:27 23:221 24:1786 27:1467 31:1349
32:54 33:2 34:2 36:11 37:1145 38:841
39:2 40:141 41:2658 42:180 44:3 46:1726
47:3 49:527 50:656 52:12 54:28 55:8
56:1 57:28 58:1071 59:559 60:237 61:1317
62:1039 63:2015 64:4348 65:2200 66:4492 67:2086
68:1199 69:3330 70:940 71:557 72:1893 74:2622
75:475 76:293 77:1052 78:1030 79:524 80:1221
81:982 82:661 83:537 84:529 85:1164 86:457
87:970 88:362 89:1757 90:304 91:5381 92:613
93:1621 94:1988 95:1630 96:489 97:337 98:967
99:40 100:31 101:286 103:1974 105:501 106:117
107:203 108:510 109:1753 110:834 111:983 112:470
113:745 114:642 115:905 116:888 117:775 118:962
119:1265 120:372 121:707 122:1727 123:1182 124:1320
125:1299 128:811 129:199 130:307 131:643 132:319
133:142 134:254 135:62 136:216 137:235 138:344
139:169 140:182 141:300 142:516 143:351 144:490
145:89 146:518 147:327 148:728 149:335 150:158
151:245 152:399 153:188 154:23 155:424 156:231
157:379 158:257 159:681 160:335 161:421 162:371
163:193 164:584 165:458 166:471 167:569 168:1006
169:131 170:988 171:164 172:4 173:1641 174:631
175:466 176:947 177:1479 178:1713 180:1364 181:183
182:1147 183:287 184:650 185:147 186:2157 187:1449
188:1903 189:1566 190:6187 192:6082 193:5720 194:4485
195:3602 196:1244 197:289 198:4012 199:5159 200:6032
201:2027 202:8859 203:8751 204:4479 205:2543 206:2810
207:2808 208:4064 209:3648 210:2911 211:1559 212:2006
213:1883 214:859 215:91 216:5135 217:1571 218:596
219:321 220:1260 221:544 222:324 223:375
End of report
More information about the sanog
mailing list