[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 14 18:54:29 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 15 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437576
Prefixes after maximum aggregation: 180670
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 214733
Total ASes present in the Internet Routing Table: 42833
Prefixes per ASN: 10.22
Origin-only ASes present in the Internet Routing Table: 33929
Origin ASes announcing only one prefix: 15857
Transit ASes present in the Internet Routing Table: 5694
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1188
Unregistered ASNs in the Routing Table: 426
Number of 32-bit ASNs allocated by the RIRs: 3579
Number of 32-bit ASNs visible in the Routing Table: 3210
Prefixes from 32-bit ASNs in the Routing Table: 8662
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 150
Number of addresses announced to Internet: 2619294732
Equivalent to 156 /8s, 31 /16s and 68 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 154967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104923
Total APNIC prefixes after maximum aggregation: 32629
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105840
Unique aggregates announced from the APNIC address blocks: 43291
APNIC Region origin ASes present in the Internet Routing Table: 4800
APNIC Prefixes per ASN: 22.05
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 796
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: 386
Number of APNIC addresses announced to Internet: 716073472
Equivalent to 42 /8s, 174 /16s and 106 /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: 156038
Total ARIN prefixes after maximum aggregation: 78497
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156749
Unique aggregates announced from the ARIN address blocks: 70462
ARIN Region origin ASes present in the Internet Routing Table: 15339
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 5794
ARIN Region transit ASes present in the Internet Routing Table: 1592
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: 1089133184
Equivalent to 64 /8s, 234 /16s and 218 /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: 112707
Total RIPE prefixes after maximum aggregation: 58169
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115585
Unique aggregates announced from the RIPE address blocks: 74144
RIPE Region origin ASes present in the Internet Routing Table: 16988
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8127
RIPE Region transit ASes present in the Internet Routing Table: 2763
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2078
Number of RIPE addresses announced to Internet: 650196324
Equivalent to 38 /8s, 193 /16s and 53 /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: 45280
Total LACNIC prefixes after maximum aggregation: 8984
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48812
Unique aggregates announced from the LACNIC address blocks: 23091
LACNIC Region origin ASes present in the Internet Routing Table: 1746
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 505
LACNIC Region transit ASes present in the Internet Routing Table: 327
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 722
Number of LACNIC addresses announced to Internet: 120667944
Equivalent to 7 /8s, 49 /16s and 63 /24s
Percentage of available LACNIC address space announced: 71.9
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: 9844
Total AfriNIC prefixes after maximum aggregation: 2338
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10440
Unique aggregates announced from the AfriNIC address blocks: 3614
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42905600
Equivalent to 2 /8s, 142 /16s and 176 /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 2933 11556 905 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 90 TPG Internet Pty Ltd
4755 1654 381 171 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1138 1062 11 Vietel Corporation
4808 1128 2056 318 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1030 307 69 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 3193 994 216 Windstream Communications Inc
6389 3129 3718 139 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1944 2932 131 Cox Communications, Inc.
1785 1938 678 124 PaeTec Communications, Inc.
20115 1687 1607 623 Charter Communications
4323 1591 1153 395 Time Warner Telecom
30036 1381 291 721 Mediacom Communications Corp
7018 1290 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 1765 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 877 211 228 BILISIM TELEKOM
12479 868 777 64 Uni2 Autonomous System
13188 756 95 129 Educational Network
31148 741 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 712 229 549 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 611 367 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 2264 386 207 TVCABLE BOGOTA
28573 2213 1298 69 NET Servicos de Comunicao S.A
7303 1673 1139 201 Telecom Argentina Stet-France
8151 1599 3016 352 UniNet S.A. de C.V.
6503 1537 435 67 AVANTEL, S.A.
27947 761 85 93 Telconet S.A
3816 661 309 71 Empresa Nacional de Telecomun
18881 608 716 18 Global Village Telecom
11172 603 85 68 Servicios Alestra S.A de C.V
7738 579 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 873 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 684 958 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 3193 994 216 Windstream Communications Inc
6389 3129 3718 139 bellsouth.net, inc.
4766 2933 11556 905 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2264 386 207 TVCABLE BOGOTA
28573 2213 1298 69 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1944 2932 131 Cox Communications, Inc.
1785 1938 678 124 PaeTec Communications, Inc.
7545 1815 301 90 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 3129 2990 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2213 2144 NET Servicos de Comunicao S.A
10620 2264 2057 TVCABLE BOGOTA
4766 2933 2028 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1938 1814 PaeTec Communications, Inc.
22773 1944 1813 Cox Communications, Inc.
8402 1765 1749 Corbina telecom
7545 1815 1725 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
128.0.24.0/21 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<<
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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 /14:857 /15:1544 /16:12483 /17:6562 /18:10967
/19:21593 /20:30927 /21:32879 /22:44170 /23:40758 /24:229702
/25:1349 /26:1744 /27:868 /28:182 /29:80 /30:17
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3193 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1776 3129 bellsouth.net, inc.
8402 1493 1765 Corbina telecom
30036 1288 1381 Mediacom Communications Corp
22773 1276 1944 Cox Communications, Inc.
11492 1147 1183 Cable One
6503 1055 1537 AVANTEL, S.A.
1785 1022 1938 PaeTec Communications, Inc.
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)
----------------------------------------------
1:650 2:715 3:3 4:13 5:687 6:3
8:487 12:1940 13:3 14:701 15:11 16:3
17:6 20:27 23:221 24:1795 27:1435 31:1321
32:54 33:2 34:2 36:7 37:1091 38:844
39:2 40:141 41:2768 42:179 44:3 46:1714
47:3 49:513 50:627 52:12 54:28 55:8
57:28 58:1069 59:553 60:236 61:1307 62:1039
63:2021 64:4370 65:2207 66:4498 67:2081 68:1187
69:3338 70:933 71:557 72:1894 74:2632 75:471
76:290 77:1032 78:1005 79:518 80:1208 81:977
82:633 83:535 84:531 85:1155 86:459 87:960
88:352 89:1741 90:304 91:5362 92:602 93:1664
94:2002 95:1639 96:487 97:322 98:969 99:40
100:31 101:288 103:1922 105:517 106:117 107:202
108:508 109:1699 110:821 111:972 112:461 113:746
114:642 115:901 116:888 117:777 118:965 119:1255
120:376 121:679 122:1723 123:1173 124:1322 125:1291
128:551 129:200 130:300 131:641 132:319 133:142
134:255 135:62 136:215 137:234 138:343 139:167
140:181 141:301 142:510 143:355 144:493 145:89
146:521 147:294 148:738 149:331 150:153 151:237
152:399 153:187 154:22 155:441 156:229 157:380
158:257 159:677 160:335 161:419 162:377 163:193
164:584 165:450 166:475 167:567 168:993 169:131
170:1006 171:164 172:6 173:1704 174:626 175:443
176:870 177:1484 178:1743 180:1351 181:185 182:1123
183:301 184:632 185:125 186:2107 187:1465 188:1893
189:1606 190:6154 192:6094 193:5819 194:4653 195:3656
196:1244 197:284 198:3998 199:5157 200:6014 201:2030
202:8839 203:8731 204:4477 205:2572 206:2780 207:2825
208:4072 209:3661 210:2897 211:1528 212:2101 213:1871
214:888 215:74 216:5176 217:1606 218:596 219:320
220:1257 221:542 222:336 223:365
End of report
More information about the sanog
mailing list