[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 2 18:52:00 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 03 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 429394
Prefixes after maximum aggregation: 179257
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 211352
Total ASes present in the Internet Routing Table: 42340
Prefixes per ASN: 10.14
Origin-only ASes present in the Internet Routing Table: 33614
Origin ASes announcing only one prefix: 15739
Transit ASes present in the Internet Routing Table: 5668
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 928
Unregistered ASNs in the Routing Table: 334
Number of 32-bit ASNs allocated by the RIRs: 3429
Number of 32-bit ASNs visible in the Routing Table: 3058
Prefixes from 32-bit ASNs in the Routing Table: 8306
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2609947628
Equivalent to 155 /8s, 144 /16s and 163 /24s
Percentage of available address space announced: 70.5
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150664
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103913
Total APNIC prefixes after maximum aggregation: 32578
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 104695
Unique aggregates announced from the APNIC address blocks: 43002
APNIC Region origin ASes present in the Internet Routing Table: 4787
APNIC Prefixes per ASN: 21.87
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 781
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 347
Number of APNIC addresses announced to Internet: 712664992
Equivalent to 42 /8s, 122 /16s and 103 /24s
Percentage of available APNIC address space announced: 83.3
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: 154569
Total ARIN prefixes after maximum aggregation: 78063
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155424
Unique aggregates announced from the ARIN address blocks: 69585
ARIN Region origin ASes present in the Internet Routing Table: 15136
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 5706
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087341440
Equivalent to 64 /8s, 207 /16s and 131 /24s
Percentage of available ARIN address space announced: 57.5
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, 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: 108545
Total RIPE prefixes after maximum aggregation: 57629
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 111213
Unique aggregates announced from the RIPE address blocks: 72284
RIPE Region origin ASes present in the Internet Routing Table: 16924
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2745
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1985
Number of RIPE addresses announced to Internet: 648584612
Equivalent to 38 /8s, 168 /16s and 157 /24s
Percentage of available RIPE address space announced: 94.3
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: 44337
Total LACNIC prefixes after maximum aggregation: 8696
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 47804
Unique aggregates announced from the LACNIC address blocks: 22887
LACNIC Region origin ASes present in the Internet Routing Table: 1694
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 475
LACNIC Region transit ASes present in the Internet Routing Table: 323
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: 703
Number of LACNIC addresses announced to Internet: 118410536
Equivalent to 7 /8s, 14 /16s and 205 /24s
Percentage of available LACNIC address space announced: 70.6
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: 9609
Total AfriNIC prefixes after maximum aggregation: 2238
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 10097
Unique aggregates announced from the AfriNIC address blocks: 3457
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.87
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 42634240
Equivalent to 2 /8s, 138 /16s and 140 /24s
Percentage of available AfriNIC address space announced: 42.4
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 2964 11558 900 Korea Telecom (KIX)
17974 2430 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1801 301 88 TPG Internet Pty Ltd
4755 1618 376 159 TATA Communications formerly
9829 1407 1154 41 BSNL National Internet Backbo
9583 1189 88 507 Sify Limited
4808 1111 2056 315 CNCGROUP IP network: China169
7552 1107 1062 11 Vietel Corporation
24560 1034 385 161 Bharti Airtel Ltd., Telemedia
9498 1018 310 73 BHARTI Airtel Ltd.
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 3202 991 189 Windstream Communications Inc
6389 3169 3723 161 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1971 2931 129 Cox Communications, Inc.
1785 1927 678 128 PaeTec Communications, Inc.
20115 1667 1585 628 Charter Communications
4323 1592 1153 392 Time Warner Telecom
30036 1349 272 751 Mediacom Communications Corp
7018 1261 10289 843 AT&T WorldNet Services
7011 1222 334 692 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 1781 544 16 Corbina telecom
12479 851 776 64 Uni2 Autonomous System
34984 824 207 197 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
13188 720 93 137 Educational Network
6830 715 2313 438 UPC Distribution Services
20940 706 225 545 Akamai Technologies European
58113 601 66 364 LIR DATACENTER TELECOM SRL
8551 595 364 61 Bezeq International
3320 497 8440 407 Deutsche Telekom AG
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 2243 382 204 TVCABLE BOGOTA
28573 2152 1281 63 NET Servicos de Comunicao S.A
7303 1662 1132 202 Telecom Argentina Stet-France
8151 1596 3024 356 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 745 77 91 Telconet S.A
3816 656 309 69 Empresa Nacional de Telecomun
14420 594 90 103 CORPORACION NACIONAL DE TELEC
11172 589 85 65 Servicios Alestra S.A de C.V
7738 582 1178 33 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 896 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 558 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 697 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 3202 991 189 Windstream Communications Inc
6389 3169 3723 161 bellsouth.net, inc.
4766 2964 11558 900 Korea Telecom (KIX)
17974 2430 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2243 382 204 TVCABLE BOGOTA
28573 2152 1281 63 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1971 2931 129 Cox Communications, Inc.
1785 1927 678 128 PaeTec Communications, Inc.
7545 1801 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 3169 3008 bellsouth.net, inc.
17974 2430 2376 PT TELEKOMUNIKASI INDONESIA
28573 2152 2089 NET Servicos de Comunicao S.A
4766 2964 2064 Korea Telecom (KIX)
10620 2243 2039 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1971 1842 Cox Communications, Inc.
1785 1927 1799 PaeTec Communications, Inc.
8402 1781 1765 Corbina telecom
7545 1801 1713 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 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 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
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 /9:14 /10:29 /11:87 /12:243
/13:478 /14:850 /15:1548 /16:12449 /17:6540 /18:10885
/19:21262 /20:30632 /21:32608 /22:43083 /23:40287 /24:224132
/25:1350 /26:1695 /27:904 /28:182 /29:77 /30:16
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3202 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1786 3169 bellsouth.net, inc.
8402 1482 1781 Corbina telecom
22773 1300 1971 Cox Communications, Inc.
30036 1266 1349 Mediacom Communications Corp
11492 1150 1185 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1017 1927 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:646 2:799 3:1 4:13 5:589 6:3
8:471 12:1945 13:3 14:685 15:11 16:3
17:6 20:27 23:211 24:1808 27:1393 31:1031
32:54 33:2 34:2 36:7 37:937 38:805
39:2 40:137 41:2690 42:176 44:3 46:1629
47:2 49:473 50:601 52:12 54:27 55:7
56:4 57:27 58:984 59:545 60:237 61:1291
62:949 63:1988 64:4244 65:2183 66:4469 67:2092
68:1155 69:3207 70:930 71:505 72:1874 74:2603
75:479 76:267 77:976 78:1001 79:510 80:1234
81:981 82:626 83:541 84:526 85:1154 86:495
87:941 88:358 89:1744 90:306 91:5293 92:581
93:1385 94:1700 95:1313 96:411 97:324 98:970
99:39 100:31 101:289 103:1735 105:514 106:120
107:200 108:477 109:1625 110:828 111:976 112:437
113:717 114:668 115:875 116:889 117:762 118:958
119:1222 120:361 121:694 122:1691 123:1158 124:1338
125:1276 128:578 129:199 130:276 131:644 132:310
133:142 134:252 135:61 136:228 137:244 138:336
139:176 140:491 141:294 142:493 143:377 144:497
145:82 146:526 147:273 148:725 149:327 150:159
151:206 152:452 153:183 154:21 155:433 156:226
157:365 158:286 159:670 160:333 161:414 162:367
163:191 164:710 165:448 166:515 167:559 168:1000
169:129 170:914 171:154 172:6 173:1712 174:632
175:457 176:736 177:1408 178:1623 180:1361 181:166
182:1109 183:294 184:615 185:50 186:2251 187:1396
188:1730 189:1621 190:5939 192:6029 193:5401 194:4127
195:3451 196:1231 197:249 198:3880 199:5076 200:6017
201:1968 202:8685 203:8726 204:4395 205:2530 206:2744
207:2807 208:4019 209:3597 210:2828 211:1531 212:2087
213:1839 214:881 215:75 216:5139 217:1551 218:576
219:308 220:1250 221:529 222:337 223:403
End of report
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