[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 26 18:54:23 UTC 2010
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 <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 27 Mar, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 316354
Prefixes after maximum aggregation: 146166
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 153886
Total ASes present in the Internet Routing Table: 33654
Prefixes per ASN: 9.40
Origin-only ASes present in the Internet Routing Table: 29228
Origin ASes announcing only one prefix: 14274
Transit ASes present in the Internet Routing Table: 4426
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (28009) 24
Prefixes from unregistered ASNs in the Routing Table: 1005
Unregistered ASNs in the Routing Table: 155
Number of 32-bit ASNs allocated by the RIRs: 496
Prefixes from 32-bit ASNs in the Routing Table: 511
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 224
Number of addresses announced to Internet: 2207844992
Equivalent to 131 /8s, 153 /16s and 10 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 90.0
Percentage of address space in use by end-sites: 81.8
Total number of prefixes smaller than registry allocations: 151722
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75992
Total APNIC prefixes after maximum aggregation: 26357
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 72662
Unique aggregates announced from the APNIC address blocks: 31966
APNIC Region origin ASes present in the Internet Routing Table: 3984
APNIC Prefixes per ASN: 18.24
APNIC Region origin ASes announcing only one prefix: 1094
APNIC Region transit ASes present in the Internet Routing Table: 618
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 505653824
Equivalent to 30 /8s, 35 /16s and 170 /24s
Percentage of available APNIC address space announced: 79.3
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 1/8, 27/8, 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 132383
Total ARIN prefixes after maximum aggregation: 68542
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 105593
Unique aggregates announced from the ARIN address blocks: 40196
ARIN Region origin ASes present in the Internet Routing Table: 13605
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5276
ARIN Region transit ASes present in the Internet Routing Table: 1342
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 724613536
Equivalent to 43 /8s, 48 /16s and 185 /24s
Percentage of available ARIN address space announced: 61.7
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, 50/8, 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, 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: 72416
Total RIPE prefixes after maximum aggregation: 42364
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 65475
Unique aggregates announced from the RIPE address blocks: 43222
RIPE Region origin ASes present in the Internet Routing Table: 14273
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7392
RIPE Region transit ASes present in the Internet Routing Table: 2129
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 419880096
Equivalent to 25 /8s, 6 /16s and 220 /24s
Percentage of available RIPE address space announced: 78.2
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: 28095
Total LACNIC prefixes after maximum aggregation: 6652
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 26431
Unique aggregates announced from the LACNIC address blocks: 13655
LACNIC Region origin ASes present in the Internet Routing Table: 1258
LACNIC Prefixes per ASN: 21.01
LACNIC Region origin ASes announcing only one prefix: 415
LACNIC Region transit ASes present in the Internet Routing Table: 214
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 71750144
Equivalent to 4 /8s, 70 /16s and 210 /24s
Percentage of available LACNIC address space announced: 71.3
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: 6721
Total AfriNIC prefixes after maximum aggregation: 1812
AfriNIC Deaggregation factor: 3.71
Prefixes being announced from the AfriNIC address blocks: 5069
Unique aggregates announced from the AfriNIC address blocks: 1522
AfriNIC Region origin ASes present in the Internet Routing Table: 350
AfriNIC Prefixes per ASN: 14.48
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 77
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 14921216
Equivalent to 0 /8s, 227 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 44.5
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 1836 8405 476 Korea Telecom (KIX)
17488 1306 134 133 Hathway IP Over Cable Interne
4755 1292 288 140 TATA Communications formerly
4134 1030 20317 398 CHINANET-BACKBONE
7545 1027 199 101 TPG Internet Pty Ltd
9583 1001 75 503 Sify Limited
17974 949 281 28 PT TELEKOMUNIKASI INDONESIA
18101 907 220 46 Reliance Infocom Ltd Internet
24560 865 303 166 Bharti Airtel Ltd., Telemedia
4808 844 1585 214 CNCGROUP IP network: China169
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 4057 3842 311 bellsouth.net, inc.
4323 3784 1083 394 Time Warner Telecom
1785 1777 698 131 PaeTec Communications, Inc.
7018 1564 5756 1001 AT&T WorldNet Services
20115 1529 1497 655 Charter Communications
2386 1324 616 934 AT&T Data Communications Serv
3356 1233 10952 424 Level 3 Communications, LLC
6478 1176 247 158 AT&T Worldnet Services
11492 1146 222 14 Cable One
22773 1132 2604 70 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
35805 610 56 6 United Telecom of Georgia
3292 448 1899 390 TDC Tele Danmark
30890 436 100 202 Evolva Telecom
702 423 1870 335 UUNET - Commercial IP service
8551 400 355 36 Bezeq International
8866 392 117 18 Bulgarian Telecommunication C
3320 363 7072 317 Deutsche Telekom AG
3301 355 1413 316 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 328 576 5 Uni2 Autonomous System
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 1537 2892 237 UniNet S.A. de C.V.
10620 1028 229 156 TVCABLE BOGOTA
28573 951 729 80 NET Servicos de Comunicao S.A
7303 693 363 102 Telecom Argentina Stet-France
22047 545 310 15 VTR PUNTO NET S.A.
18881 523 268 11 Global Village Telecom
6503 509 168 191 AVANTEL, S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 454 195 69 Empresa Nacional de Telecomun
11172 445 99 70 Servicios Alestra S.A de C.V
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 969 445 10 TEDATA
24863 704 144 41 LINKdotNET AS number
36992 557 121 167 Etisalat MISR
3741 274 853 233 The Internet Solution
33776 262 14 11 Starcomms Nigeria Limited
2018 212 215 122 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 171 19 9 Ci Telecom Autonomous system
24835 138 78 11 RAYA Telecom - Egypt
29975 133 506 14 Vodacom
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 4057 3842 311 bellsouth.net, inc.
4323 3784 1083 394 Time Warner Telecom
4766 1836 8405 476 Korea Telecom (KIX)
1785 1777 698 131 PaeTec Communications, Inc.
7018 1564 5756 1001 AT&T WorldNet Services
8151 1537 2892 237 UniNet S.A. de C.V.
20115 1529 1497 655 Charter Communications
2386 1324 616 934 AT&T Data Communications Serv
17488 1306 134 133 Hathway IP Over Cable Interne
4755 1292 288 140 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3784 3390 Time Warner Telecom
1785 1777 1646 PaeTec Communications, Inc.
4766 1836 1360 Korea Telecom (KIX)
8151 1537 1300 UniNet S.A. de C.V.
17488 1306 1173 Hathway IP Over Cable Interne
4755 1292 1152 TATA Communications formerly
11492 1146 1132 Cable One
22773 1132 1062 Cox Communications, Inc.
18566 1059 1049 Covad Communications
6478 1176 1018 AT&T Worldnet Services
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
41.73.192.0/19 36930 ZanZibar Telecom
41.190.64.0/22 28683 Office des Postes et telecomm
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT
41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.24.0/22 25747 VSC Satellite Co
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 /10:25 /11:66 /12:191
/13:392 /14:675 /15:1240 /16:10998 /17:5204 /18:8810
/19:18216 /20:22229 /21:22310 /22:28961 /23:28657 /24:165416
/25:962 /26:1202 /27:610 /28:136 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2623 4057 bellsouth.net, inc.
4323 2348 3784 Time Warner Telecom
4766 1475 1836 Korea Telecom (KIX)
1785 1241 1777 PaeTec Communications, Inc.
17488 1060 1306 Hathway IP Over Cable Interne
11492 1056 1146 Cable One
18566 1040 1059 Covad Communications
7018 941 1564 AT&T WorldNet Services
10620 934 1028 TVCABLE BOGOTA
8452 873 969 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:253 12:2002 13:10 15:22
16:3 17:8 20:26 24:1374 27:2 32:48
33:12 38:654 40:100 41:2077 44:3 46:1
47:26 52:6 55:7 56:2 57:24 58:645
59:640 60:419 61:1095 62:1054 63:1981 64:3829
65:2353 66:4158 67:1819 68:1052 69:2785 70:698
71:235 72:1866 73:2 74:2142 75:244 76:312
77:825 78:572 79:416 80:989 81:771 82:453
83:451 84:681 85:1040 86:383 87:680 88:348
89:1557 90:81 91:2701 92:427 93:1126 94:1368
95:545 96:233 97:302 98:529 99:26 109:417
110:289 111:459 112:240 113:246 114:389 115:632
116:1036 117:630 118:407 119:976 120:147 121:856
122:1401 123:872 124:1067 125:1292 128:208 129:203
130:158 131:557 132:227 133:17 134:197 135:44
136:223 137:171 138:255 139:94 140:479 141:137
142:376 143:349 144:432 145:51 146:423 147:169
148:585 149:248 150:151 151:168 152:258 153:168
154:2 155:320 156:184 157:324 158:102 159:359
160:315 161:178 162:269 163:164 164:399 165:509
166:508 167:402 168:796 169:158 170:733 171:48
172:2 173:575 174:611 175:53 178:16 180:353
182:32 183:236 184:27 186:340 187:252 188:1191
189:721 190:3582 192:5722 193:4600 194:3360 195:2776
196:1171 198:3541 199:3396 200:5300 201:1480 202:8084
203:8300 204:4039 205:2304 206:2518 207:3025 208:3916
209:3431 210:2553 211:1211 212:1720 213:1682 214:589
215:67 216:4471 217:1519 218:492 219:418 220:1079
221:380 222:300
End of report
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