[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 21 18:54:41 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 22 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438165
Prefixes after maximum aggregation: 180937
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215621
Total ASes present in the Internet Routing Table: 42906
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33973
Origin ASes announcing only one prefix: 15870
Transit ASes present in the Internet Routing Table: 5700
Transit-only ASes present in the Internet Routing Table: 138
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: 1211
Unregistered ASNs in the Routing Table: 437
Number of 32-bit ASNs allocated by the RIRs: 3595
Number of 32-bit ASNs visible in the Routing Table: 3233
Prefixes from 32-bit ASNs in the Routing Table: 8730
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2620290828
Equivalent to 156 /8s, 46 /16s and 119 /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: 154819
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105281
Total APNIC prefixes after maximum aggregation: 32772
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106205
Unique aggregates announced from the APNIC address blocks: 43419
APNIC Region origin ASes present in the Internet Routing Table: 4807
APNIC Prefixes per ASN: 22.09
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 792
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: 389
Number of APNIC addresses announced to Internet: 716469376
Equivalent to 42 /8s, 180 /16s and 116 /24s
Percentage of available APNIC address space announced: 83.7
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: 156086
Total ARIN prefixes after maximum aggregation: 78438
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156771
Unique aggregates announced from the ARIN address blocks: 70691
ARIN Region origin ASes present in the Internet Routing Table: 15356
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5800
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: 18
Number of ARIN addresses announced to Internet: 1089414016
Equivalent to 64 /8s, 239 /16s and 35 /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: 112749
Total RIPE prefixes after maximum aggregation: 58303
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115652
Unique aggregates announced from the RIPE address blocks: 74554
RIPE Region origin ASes present in the Internet Routing Table: 17002
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2761
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: 2091
Number of RIPE addresses announced to Internet: 650235364
Equivalent to 38 /8s, 193 /16s and 205 /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: 45459
Total LACNIC prefixes after maximum aggregation: 9016
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 49029
Unique aggregates announced from the LACNIC address blocks: 23167
LACNIC Region origin ASes present in the Internet Routing Table: 1751
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 493
LACNIC Region transit ASes present in the Internet Routing Table: 336
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 729
Number of LACNIC addresses announced to Internet: 120904232
Equivalent to 7 /8s, 52 /16s and 218 /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: 9738
Total AfriNIC prefixes after maximum aggregation: 2355
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10333
Unique aggregates announced from the AfriNIC address blocks: 3634
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.57
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: 42899456
Equivalent to 2 /8s, 142 /16s and 152 /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 2926 11556 908 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 89 TPG Internet Pty Ltd
4755 1661 381 174 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1182 88 502 Sify Limited
7552 1148 1070 12 Vietel Corporation
4808 1123 2040 316 CNCGROUP IP network: China169
9498 1038 307 69 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 3473 1010 215 Windstream Communications Inc
6389 3120 3717 132 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1941 678 125 PaeTec Communications, Inc.
20115 1692 1608 622 Charter Communications
4323 1596 1155 396 Time Warner Telecom
30036 1382 292 716 Mediacom Communications Corp
7018 1293 10533 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 1756 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 884 211 230 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 765 95 121 Educational Network
31148 743 38 15 FreeNet ISP
20940 725 238 564 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 619 367 39 Bezeq International
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 2268 387 206 TVCABLE BOGOTA
28573 2249 1298 69 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1574 2970 352 UniNet S.A. de C.V.
6503 1453 435 67 AVANTEL, S.A.
27947 766 85 94 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 662 309 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 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 557 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 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 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 3473 1010 215 Windstream Communications Inc
6389 3120 3717 132 bellsouth.net, inc.
4766 2926 11556 908 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2268 387 206 TVCABLE BOGOTA
28573 2249 1298 69 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1941 678 125 PaeTec Communications, Inc.
7545 1816 301 89 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 3120 2988 bellsouth.net, inc.
17974 2488 2434 PT TELEKOMUNIKASI INDONESIA
28573 2249 2180 NET Servicos de Comunicao S.A
10620 2268 2062 TVCABLE BOGOTA
4766 2926 2018 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1947 1816 Cox Communications, Inc.
1785 1941 1816 PaeTec Communications, Inc.
8402 1756 1740 Corbina telecom
7545 1816 1727 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
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
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
128.0.64.0/22 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
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 /15:1544 /16:12488 /17:6566 /18:10963
/19:21629 /20:30998 /21:33005 /22:44366 /23:40789 /24:229935
/25:1310 /26:1688 /27:856 /28:182 /29:81 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3473 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1775 3120 bellsouth.net, inc.
8402 1481 1756 Corbina telecom
30036 1285 1382 Mediacom Communications Corp
22773 1279 1947 Cox Communications, Inc.
11492 1156 1193 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1453 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)
----------------------------------------------
1:694 2:718 3:3 4:13 5:697 6:3
8:488 12:1934 13:3 14:701 15:11 16:3
17:6 20:27 23:220 24:1794 27:1466 31:1339
32:54 33:2 34:2 36:11 37:1140 38:844
39:2 40:142 41:2654 42:179 44:3 46:1717
47:3 49:509 50:652 52:12 54:28 55:8
56:1 57:28 58:1068 59:558 60:237 61:1306
62:1037 63:2019 64:4354 65:2201 66:4497 67:2084
68:1202 69:3334 70:937 71:557 72:1895 74:2626
75:476 76:293 77:1037 78:1025 79:519 80:1207
81:980 82:643 83:536 84:531 85:1158 86:458
87:970 88:354 89:1756 90:304 91:5376 92:610
93:1625 94:1971 95:1610 96:487 97:338 98:969
99:40 100:31 101:287 103:1964 105:501 106:117
107:203 108:508 109:1738 110:833 111:980 112:459
113:744 114:643 115:904 116:891 117:778 118:966
119:1266 120:375 121:708 122:1730 123:1173 124:1320
125:1296 128:808 129:200 130:304 131:643 132:316
133:142 134:255 135:62 136:215 137:235 138:344
139:169 140:182 141:300 142:514 143:351 144:488
145:89 146:517 147:324 148:728 149:334 150:147
151:239 152:399 153:187 154:23 155:444 156:231
157:381 158:257 159:685 160:334 161:416 162:371
163:192 164:577 165:457 166:475 167:570 168:1003
169:133 170:1008 171:164 172:4 173:1654 174:628
175:464 176:879 177:1484 178:1742 180:1357 181:189
182:1116 183:294 184:633 185:135 186:2145 187:1432
188:1889 189:1570 190:6187 192:6085 193:5711 194:4490
195:3596 196:1247 197:291 198:4007 199:5153 200:6046
201:2027 202:8858 203:8744 204:4479 205:2556 206:2827
207:2828 208:4067 209:3655 210:2905 211:1548 212:2108
213:1875 214:862 215:90 216:5186 217:1552 218:595
219:321 220:1259 221:543 222:324 223:374
End of report
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