[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 9 18:27:22 UTC 2009
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 10 Oct, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 299909
Prefixes after maximum aggregation: 140664
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 148721
Total ASes present in the Internet Routing Table: 32379
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28138
Origin ASes announcing only one prefix: 13738
Transit ASes present in the Internet Routing Table: 4241
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 560
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 292
Prefixes from 32-bit ASNs in the Routing Table: 213
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2112370016
Equivalent to 125 /8s, 232 /16s and 53 /24s
Percentage of available address space announced: 57.0
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.3
Total number of prefixes smaller than registry allocations: 144194
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 71884
Total APNIC prefixes after maximum aggregation: 25318
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 68393
Unique aggregates announced from the APNIC address blocks: 30300
APNIC Region origin ASes present in the Internet Routing Table: 3816
APNIC Prefixes per ASN: 17.92
APNIC Region origin ASes announcing only one prefix: 1047
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 461684000
Equivalent to 27 /8s, 132 /16s and 189 /24s
Percentage of available APNIC address space announced: 78.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 126884
Total ARIN prefixes after maximum aggregation: 66823
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101398
Unique aggregates announced from the ARIN address blocks: 38471
ARIN Region origin ASes present in the Internet Routing Table: 13278
ARIN Prefixes per ASN: 7.64
ARIN Region origin ASes announcing only one prefix: 5135
ARIN Region transit ASes present in the Internet Routing Table: 1301
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 706797568
Equivalent to 42 /8s, 32 /16s and 224 /24s
Percentage of available ARIN address space announced: 62.0
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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68963
Total RIPE prefixes after maximum aggregation: 40347
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62540
Unique aggregates announced from the RIPE address blocks: 41940
RIPE Region origin ASes present in the Internet Routing Table: 13579
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7080
RIPE Region transit ASes present in the Internet Routing Table: 2043
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 401178048
Equivalent to 23 /8s, 233 /16s and 125 /24s
Percentage of available RIPE address space announced: 74.7
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 25802
Total LACNIC prefixes after maximum aggregation: 6344
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24098
Unique aggregates announced from the LACNIC address blocks: 13510
LACNIC Region origin ASes present in the Internet Routing Table: 1190
LACNIC Prefixes per ASN: 20.25
LACNIC Region origin ASes announcing only one prefix: 380
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 67013376
Equivalent to 3 /8s, 254 /16s and 139 /24s
Percentage of available LACNIC address space announced: 66.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 5925
Total AfriNIC prefixes after maximum aggregation: 1561
AfriNIC Deaggregation factor: 3.80
Prefixes being announced from the AfriNIC address blocks: 4303
Unique aggregates announced from the AfriNIC address blocks: 1546
AfriNIC Region origin ASes present in the Internet Routing Table: 325
AfriNIC Prefixes per ASN: 13.24
AfriNIC Region origin ASes announcing only one prefix: 96
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12557568
Equivalent to 0 /8s, 191 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 37.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1766 6996 458 Korea Telecom (KIX)
17488 1460 137 144 Hathway IP Over Cable Interne
4755 1261 292 145 TATA Communications formerly
9583 1101 87 530 Sify Limited
4134 1010 18168 391 CHINANET-BACKBONE
18101 979 204 33 Reliance Infocom Ltd Internet
7545 893 199 102 TPG Internet Pty Ltd
9829 816 629 21 BSNL National Internet Backbo
17974 790 248 93 PT TELEKOMUNIKASI INDONESIA
24560 775 285 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 313 bellsouth.net, inc.
4323 3697 1037 385 Time Warner Telecom
1785 1762 714 138 PaeTec Communications, Inc.
7018 1543 5860 1057 AT&T WorldNet Services
20115 1484 1480 673 Charter Communications
6478 1405 280 340 AT&T Worldnet Services
2386 1308 641 947 AT&T Data Communications Serv
3356 1221 10963 433 Level 3 Communications, LLC
11492 1133 208 12 Cable One
22773 1111 2604 67 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 509 94 207 Evolva Telecom
3292 450 1908 394 TDC Tele Danmark
35805 445 40 5 United Telecom of Georgia
12479 427 578 6 Uni2 Autonomous System
702 422 1822 340 UUNET - Commercial IP service
9198 390 138 12 Kazakhtelecom Data Network Ad
8866 356 110 21 Bulgarian Telecommunication C
3320 352 7067 303 Deutsche Telekom AG
3301 351 1412 308 TeliaNet Sweden
3215 349 3144 111 France Telecom Transpac
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1482 2899 243 UniNet S.A. de C.V.
10620 1020 227 95 TVCABLE BOGOTA
28573 762 651 87 NET Servicos de Comunicao S.A
7303 656 346 97 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 440 99 70 Servicios Alestra S.A de C.V
14117 436 29 11 Telefonica del Sur S.A.
7738 428 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 984 188 7 TEDATA
24863 926 95 68 LINKdotNET AS number
3741 278 857 239 The Internet Solution
2018 192 187 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 140 14 6 Ci Telecom Autonomous system
33776 125 7 11 Starcomms Nigeria Limited
24835 123 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 313 bellsouth.net, inc.
4323 3697 1037 385 Time Warner Telecom
4766 1766 6996 458 Korea Telecom (KIX)
1785 1762 714 138 PaeTec Communications, Inc.
7018 1543 5860 1057 AT&T WorldNet Services
20115 1484 1480 673 Charter Communications
8151 1482 2899 243 UniNet S.A. de C.V.
17488 1460 137 144 Hathway IP Over Cable Interne
6478 1405 280 340 AT&T Worldnet Services
2386 1308 641 947 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3697 3312 Time Warner Telecom
1785 1762 1624 PaeTec Communications, Inc.
17488 1460 1316 Hathway IP Over Cable Interne
4766 1766 1308 Korea Telecom (KIX)
8151 1482 1239 UniNet S.A. de C.V.
11492 1133 1121 Cable One
4755 1261 1116 TATA Communications formerly
6478 1405 1065 AT&T Worldnet Services
18566 1062 1052 Covad Communications
22773 1111 1044 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.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 /8:20 /9:10 /10:24 /11:63 /12:176
/13:354 /14:628 /15:1202 /16:10682 /17:4892 /18:8410
/19:17500 /20:21007 /21:21008 /22:27238 /23:26831 /24:157108
/25:932 /26:1091 /27:554 /28:154 /29:8 /30:9
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2694 4161 bellsouth.net, inc.
4323 2353 3697 Time Warner Telecom
4766 1438 1766 Korea Telecom (KIX)
1785 1228 1762 PaeTec Communications, Inc.
17488 1220 1460 Hathway IP Over Cable Interne
11492 1058 1133 Cable One
18566 1043 1062 Covad Communications
9583 953 1101 Sify Limited
10620 926 1020 TVCABLE BOGOTA
8452 912 984 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:226 12:2147 13:7 15:22
16:3 17:5 20:36 24:1168 32:52 34:2
38:601 40:97 41:1735 43:1 44:2 45:1
46:1 47:21 52:6 55:2 56:2 57:25
58:606 59:642 60:443 61:1078 62:1011 63:2012
64:3638 65:2382 66:4094 67:1795 68:985 69:2777
70:573 71:154 72:1668 73:2 74:1934 75:182
76:350 77:871 78:583 79:390 80:910 81:814
82:504 83:431 84:527 85:1003 86:381 87:688
88:386 89:1498 90:62 91:2590 92:412 93:1217
94:1258 95:1132 96:171 97:271 98:326 99:30
109:51 110:222 111:451 112:143 113:152 114:265
115:428 116:1097 117:552 118:350 119:778 120:135
121:784 122:1287 123:788 124:1044 125:1360 128:220
129:211 130:131 131:415 132:77 133:10 134:182
135:42 136:224 137:168 138:173 139:84 140:440
141:123 142:381 143:336 144:364 145:48 146:393
147:168 148:550 149:204 150:151 151:176 152:215
153:156 154:2 155:271 156:166 157:309 158:100
159:356 160:292 161:168 162:279 163:170 164:279
165:517 166:472 167:390 168:799 169:168 170:469
171:43 172:2 173:414 174:364 175:1 178:1
180:57 182:1 186:143 187:154 188:1134 189:603
190:3101 192:5756 193:4267 194:3295 195:2753 196:1159
198:3550 199:3346 200:5205 201:1351 202:7868 203:8227
204:3926 205:2190 206:2416 207:2976 208:3958 209:3491
210:2561 211:1127 212:1592 213:1620 214:189 215:40
216:4429 217:1336 218:411 219:457 220:1135 221:449
222:316
End of report
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