[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 2 18:56:35 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 Mar, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 398919
Prefixes after maximum aggregation: 170354
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 193894
Total ASes present in the Internet Routing Table: 40219
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32806
Origin ASes announcing only one prefix: 15513
Transit ASes present in the Internet Routing Table: 5413
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 339
Unregistered ASNs in the Routing Table: 146
Number of 32-bit ASNs allocated by the RIRs: 2307
Number of 32-bit ASNs visible in the Routing Table: 2000
Prefixes from 32-bit ASNs in the Routing Table: 4712
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 424
Number of addresses announced to Internet: 2523361040
Equivalent to 150 /8s, 103 /16s and 111 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169546
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98087
Total APNIC prefixes after maximum aggregation: 31882
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94440
Unique aggregates announced from the APNIC address blocks: 39376
APNIC Region origin ASes present in the Internet Routing Table: 4666
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 742
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 157
Number of APNIC addresses announced to Internet: 641101792
Equivalent to 38 /8s, 54 /16s and 111 /24s
Percentage of available APNIC address space announced: 81.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 148580
Total ARIN prefixes after maximum aggregation: 75492
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120266
Unique aggregates announced from the ARIN address blocks: 49674
ARIN Region origin ASes present in the Internet Routing Table: 14926
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805413120
Equivalent to 48 /8s, 1 /16s and 161 /24s
Percentage of available ARIN address space announced: 64.0
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, 173/8,
174/8, 184/8, 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: 99868
Total RIPE prefixes after maximum aggregation: 52724
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91478
Unique aggregates announced from the RIPE address blocks: 56727
RIPE Region origin ASes present in the Internet Routing Table: 16343
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 7994
RIPE Region transit ASes present in the Internet Routing Table: 2621
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1391
Number of RIPE addresses announced to Internet: 501247240
Equivalent to 29 /8s, 224 /16s and 109 /24s
Percentage of available RIPE address space announced: 80.7
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 38718
Total LACNIC prefixes after maximum aggregation: 8058
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38269
Unique aggregates announced from the LACNIC address blocks: 19523
LACNIC Region origin ASes present in the Internet Routing Table: 1553
LACNIC Prefixes per ASN: 24.64
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 276
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 434
Number of LACNIC addresses announced to Internet: 97556872
Equivalent to 5 /8s, 208 /16s and 153 /24s
Percentage of available LACNIC address space announced: 64.6
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8763
Total AfriNIC prefixes after maximum aggregation: 2091
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6769
Unique aggregates announced from the AfriNIC address blocks: 2141
AfriNIC Region origin ASes present in the Internet Routing Table: 518
AfriNIC Prefixes per ASN: 13.07
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 31557120
Equivalent to 1 /8s, 225 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 47.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2486 11107 988 Korea Telecom (KIX)
17974 1732 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1645 303 85 TPG Internet Pty Ltd
4755 1559 385 157 TATA Communications formerly
9829 1182 997 29 BSNL National Internet Backbo
7552 1154 1062 11 Vietel Corporation
4808 1146 2101 316 CNCGROUP IP network: China169
9583 1131 83 481 Sify Limited
24560 1012 385 167 Bharti Airtel Ltd., Telemedia
18101 949 130 155 Reliance Infocom Ltd Internet
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
6389 3432 3807 199 bellsouth.net, inc.
7029 3418 1014 159 Windstream Communications Inc
18566 2090 382 177 Covad Communications
1785 1874 680 127 PaeTec Communications, Inc.
20115 1631 1550 632 Charter Communications
4323 1611 1059 384 Time Warner Telecom
22773 1538 2910 110 Cox Communications, Inc.
30036 1408 254 742 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1284 6962 842 AT&T WorldNet Services
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 1860 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1088 2184 60 LDCOM NETWORKS
34984 657 188 171 BILISIM TELEKOM
6830 642 1927 413 UPC Distribution Services
20940 633 203 482 Akamai Technologies European
12479 610 644 55 Uni2 Autonomous System
8551 599 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 532 8442 398 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 1758 325 169 TVCABLE BOGOTA
28573 1672 1089 60 NET Servicos de Comunicao S.A
8151 1486 3013 346 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 881 664 33 Tim Brasil S.A.
27947 667 68 107 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 573 418 66 AVANTEL, S.A.
3816 561 240 89 Empresa Nacional de Telecomun
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
8452 1249 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
29571 211 16 10 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
33776 169 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
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
6389 3432 3807 199 bellsouth.net, inc.
7029 3418 1014 159 Windstream Communications Inc
4766 2486 11107 988 Korea Telecom (KIX)
18566 2090 382 177 Covad Communications
1785 1874 680 127 PaeTec Communications, Inc.
8402 1860 544 16 Corbina telecom
10620 1758 325 169 TVCABLE BOGOTA
17974 1732 503 37 PT TELEKOMUNIKASI INDONESIA
28573 1672 1089 60 NET Servicos de Comunicao S.A
7545 1645 303 85 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
7029 3418 3259 Windstream Communications Inc
18566 2090 1913 Covad Communications
8402 1860 1844 Corbina telecom
1785 1874 1747 PaeTec Communications, Inc.
17974 1732 1695 PT TELEKOMUNIKASI INDONESIA
28573 1672 1612 NET Servicos de Comunicao S.A
10620 1758 1589 TVCABLE BOGOTA
7545 1645 1560 TPG Internet Pty Ltd
4766 2486 1498 Korea Telecom (KIX)
22773 1538 1428 Cox Communications, Inc.
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
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
23.27.0.0/20 18779 Guru.com
23.27.0.0/16 18779 Guru.com
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 /8:19 /9:12 /10:28 /11:81 /12:233
/13:458 /14:817 /15:1474 /16:12170 /17:6223 /18:10408
/19:20448 /20:28449 /21:29230 /22:39750 /23:37074 /24:208355
/25:1204 /26:1441 /27:784 /28:170 /29:58 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3073 3418 Windstream Communications Inc
6389 2106 3432 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1838 1860 Corbina telecom
10620 1655 1758 TVCABLE BOGOTA
30036 1358 1408 Mediacom Communications Corp
11492 1124 1161 Cable One
1785 1064 1874 PaeTec Communications, Inc.
8452 1059 1249 TEDATA
7011 1040 1156 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:522 2:783 4:14 6:3 8:390 12:1964
13:1 14:605 15:11 16:3 17:7 20:8
23:135 24:1738 27:1204 31:986 32:65 33:2
34:2 36:9 37:217 38:779 40:116 41:2938
42:120 44:3 46:1382 47:3 49:334 50:510
52:13 54:5 55:9 56:3 57:38 58:967
59:497 60:287 61:1197 62:976 63:2009 64:4116
65:2283 66:4468 67:2035 68:1165 69:3154 70:909
71:409 72:1789 74:2646 75:470 76:319 77:975
78:968 79:492 80:1211 81:885 82:625 83:540
84:586 85:1160 86:723 87:913 88:334 89:1563
90:284 91:4531 92:515 93:1401 94:1374 95:1120
96:421 97:315 98:819 99:38 100:5 101:153
103:856 106:64 107:166 108:179 109:1529 110:723
111:867 112:435 113:528 114:606 115:792 116:869
117:710 118:905 119:1261 120:362 121:727 122:1620
123:1079 124:1340 125:1323 128:536 129:190 130:262
131:591 132:165 133:21 134:234 135:62 136:212
137:184 138:268 139:145 140:493 141:265 142:392
143:406 144:513 145:69 146:484 147:251 148:724
149:300 150:158 151:198 152:448 153:171 154:7
155:382 156:212 157:370 158:162 159:518 160:322
161:245 162:343 163:187 164:530 165:395 166:560
167:458 168:810 169:148 170:839 171:119 172:4
173:1706 174:597 175:420 176:529 177:483 178:1281
180:1193 181:68 182:746 183:284 184:437 185:1
186:2015 187:830 188:1058 189:1173 190:5469 192:5988
193:5572 194:4354 195:3404 196:1295 197:167 198:3631
199:4425 200:5722 201:1757 202:8385 203:8662 204:4359
205:2446 206:2745 207:2796 208:4059 209:3560 210:2758
211:1476 212:1986 213:1867 214:836 215:102 216:5022
217:1509 218:549 219:334 220:1231 221:564 222:322
223:319
End of report
More information about the afnog
mailing list