[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 8 18:08:23 UTC 2008
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 09 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 265478
Prefixes after maximum aggregation: 129570
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129591
Total ASes present in the Internet Routing Table: 28883
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25165
Origin ASes announcing only one prefix: 12193
Transit ASes present in the Internet Routing Table: 3718
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 569
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 55
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 778
Number of addresses announced to Internet: 1889709152
Equivalent to 112 /8s, 162 /16s and 172 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.0
Total number of prefixes smaller than registry allocations: 130048
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61000
Total APNIC prefixes after maximum aggregation: 22709
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 57975
Unique aggregates announced from the APNIC address blocks: 26131
APNIC Region origin ASes present in the Internet Routing Table: 3322
APNIC Prefixes per ASN: 17.45
APNIC Region origin ASes announcing only one prefix: 880
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 370241056
Equivalent to 22 /8s, 17 /16s and 110 /24s
Percentage of available APNIC address space announced: 78.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121751
Total ARIN prefixes after maximum aggregation: 65124
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91093
Unique aggregates announced from the ARIN address blocks: 34943
ARIN Region origin ASes present in the Internet Routing Table: 12344
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4761
ARIN Region transit ASes present in the Internet Routing Table: 1179
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360292768
Equivalent to 21 /8s, 121 /16s and 161 /24s
Percentage of available ARIN address space announced: 74.1
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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 57093
Total RIPE prefixes after maximum aggregation: 34735
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 52243
Unique aggregates announced from the RIPE address blocks: 35108
RIPE Region origin ASes present in the Internet Routing Table: 11705
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6155
RIPE Region transit ASes present in the Internet Routing Table: 1764
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 368507008
Equivalent to 21 /8s, 246 /16s and 248 /24s
Percentage of available RIPE address space announced: 84.5
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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21040
Total LACNIC prefixes after maximum aggregation: 5302
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19279
Unique aggregates announced from the LACNIC address blocks: 10899
LACNIC Region origin ASes present in the Internet Routing Table: 977
LACNIC Prefixes per ASN: 19.73
LACNIC Region origin ASes announcing only one prefix: 319
LACNIC Region transit ASes present in the Internet Routing Table: 165
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54245376
Equivalent to 3 /8s, 59 /16s and 184 /24s
Percentage of available LACNIC address space announced: 53.9
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4028
Total AfriNIC prefixes after maximum aggregation: 1224
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4372
Unique aggregates announced from the AfriNIC address blocks: 1913
AfriNIC Region origin ASes present in the Internet Routing Table: 246
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12534016
Equivalent to 0 /8s, 191 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 37.4
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
17488 1288 88 92 Hathway IP Over Cable Interne
9583 1174 92 492 Sify Limited
4766 856 6390 349 Korea Telecom (KIX)
4134 833 13516 353 CHINANET-BACKBONE
23577 831 35 703 Korea Telecom (ATM-MPLS)
4780 712 353 64 Digital United Inc.
18101 712 167 33 Reliance Infocom Ltd Internet
9498 669 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 137 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 3200 3358 208 bellsouth.net, inc.
209 2975 3860 625 Qwest
6298 1778 270 768 Cox Communicatons
2386 1560 707 893 AT&T Data Communications Serv
4323 1489 1078 380 Time Warner Telecom
1785 1450 478 102 AppliedTheory Corporation
7018 1411 5830 989 AT&T WorldNet Services
11492 1218 151 23 Cable One
20115 1117 1082 571 Charter Communications
18566 1045 296 10 Covad Communications
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
3292 414 1792 372 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 333 1460 304 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
8551 288 270 38 Bezeq International
5462 286 666 27 Telewest Broadband
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,
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 1476 2592 225 UniNet S.A. de C.V.
11830 624 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 475 235 63 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 409 118 71 Servicios Alestra S.A de C.V
10620 407 107 51 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 346 24 101 NEWCOM AMERICAS
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
24863 495 63 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 269 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 114 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
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 3200 3358 208 bellsouth.net, inc.
209 2975 3860 625 Qwest
6298 1778 270 768 Cox Communicatons
4755 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
2386 1560 707 893 AT&T Data Communications Serv
4323 1489 1078 380 Time Warner Telecom
8151 1476 2592 225 UniNet S.A. de C.V.
1785 1450 478 102 AppliedTheory Corporation
7018 1411 5830 989 AT&T WorldNet Services
17488 1288 88 92 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2975 2350 Qwest
4755 1691 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1450 1348 AppliedTheory Corporation
8151 1476 1251 UniNet S.A. de C.V.
17488 1288 1196 Hathway IP Over Cable Interne
11492 1218 1195 Cable One
4323 1489 1109 Time Warner Telecom
18566 1045 1035 Covad Communications
6298 1778 1010 Cox Communicatons
22773 973 910 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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:523 /15:1054 /16:10035 /17:4344 /18:7529
/19:15967 /20:18606 /21:18147 /22:22946 /23:23926 /24:139133
/25:843 /26:1036 /27:758 /28:86 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2035 3200 bellsouth.net, inc.
6298 1752 1778 Cox Communicatons
209 1726 2975 Qwest
2386 1236 1560 AT&T Data Communications Serv
11492 1199 1218 Cable One
17488 1096 1288 Hathway IP Over Cable Interne
1785 1064 1450 AppliedTheory Corporation
4755 1042 1691 Videsh Sanchar Nigam Ltd. Aut
9583 1030 1174 Sify Limited
18566 1026 1045 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:129 12:2102 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1085 32:59
38:479 40:92 41:695 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:526 59:512
60:456 61:992 62:1208 63:2036 64:3262 65:2376
66:3496 67:1221 68:743 69:2289 70:823 71:116
72:2008 73:6 74:1086 75:156 76:308 77:754
78:805 79:218 80:976 81:849 82:610 83:378
84:570 85:966 86:397 87:684 88:340 89:1296
90:33 91:1389 92:247 93:720 94:95 96:53
97:44 98:301 99:3 114:81 115:34 116:923
117:330 118:193 119:442 120:63 121:581 122:808
123:372 124:904 125:1176 128:360 129:198 130:135
131:411 132:67 133:9 134:187 135:33 136:222
137:94 138:146 139:88 140:500 141:103 142:404
143:335 144:390 145:51 146:372 147:156 148:517
149:198 150:129 151:181 152:143 153:136 154:10
155:252 156:174 157:285 158:186 159:294 160:273
161:119 162:216 163:155 164:516 165:455 166:318
167:329 168:623 169:139 170:425 171:32 172:10
188:1 189:431 190:2264 192:5799 193:4140 194:3241
195:2550 196:1025 198:3738 199:3307 200:5588 201:1471
202:7691 203:8077 204:3962 205:2144 206:2361 207:2760
208:3502 209:3465 210:2586 211:1076 212:1425 213:1600
214:172 215:50 216:4483 217:1212 218:343 219:428
220:1065 221:455 222:309
End of report
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