[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Oct 4 04:08:47 EST 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 04 Oct, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 270385
Prefixes after maximum aggregation: 130450
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131768
Total ASes present in the Internet Routing Table: 29399
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25577
Origin ASes announcing only one prefix: 12464
Transit ASes present in the Internet Routing Table: 3822
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 560
Unregistered ASNs in the Routing Table: 200
Number of 32-bit ASNs allocated by the RIRs: 61
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 752
Number of addresses announced to Internet: 1909012352
Equivalent to 113 /8s, 201 /16s and 55 /24s
Percentage of available address space announced: 51.5
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.7
Total number of prefixes smaller than registry allocations: 132791
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62421
Total APNIC prefixes after maximum aggregation: 23127
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 59307
Unique aggregates announced from the APNIC address blocks: 26669
APNIC Region origin ASes present in the Internet Routing Table: 3389
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 903
APNIC Region transit ASes present in the Internet Routing Table: 539
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 377990304
Equivalent to 22 /8s, 135 /16s and 172 /24s
Percentage of available APNIC address space announced: 80.5
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: 122827
Total ARIN prefixes after maximum aggregation: 64724
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 92067
Unique aggregates announced from the ARIN address blocks: 35235
ARIN Region origin ASes present in the Internet Routing Table: 12493
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4833
ARIN Region transit ASes present in the Internet Routing Table: 1189
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364498912
Equivalent to 21 /8s, 185 /16s and 207 /24s
Percentage of available ARIN address space announced: 74.9
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: 58838
Total RIPE prefixes after maximum aggregation: 35441
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 54018
Unique aggregates announced from the RIPE address blocks: 36183
RIPE Region origin ASes present in the Internet Routing Table: 11981
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 6314
RIPE Region transit ASes present in the Internet Routing Table: 1824
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 374235424
Equivalent to 22 /8s, 78 /16s and 97 /24s
Percentage of available RIPE address space announced: 85.8
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, 47104-49151
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: 21554
Total LACNIC prefixes after maximum aggregation: 5416
LACNIC Deaggregation factor: 3.98
Prefixes being announced from the LACNIC address blocks: 19669
Unique aggregates announced from the LACNIC address blocks: 11065
LACNIC Region origin ASes present in the Internet Routing Table: 1005
LACNIC Prefixes per ASN: 19.57
LACNIC Region origin ASes announcing only one prefix: 332
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 56901120
Equivalent to 3 /8s, 100 /16s and 62 /24s
Percentage of available LACNIC address space announced: 56.5
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: 4189
Total AfriNIC prefixes after maximum aggregation: 1300
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4464
Unique aggregates announced from the AfriNIC address blocks: 2066
AfriNIC Region origin ASes present in the Internet Routing Table: 260
AfriNIC Prefixes per ASN: 17.17
AfriNIC Region origin ASes announcing only one prefix: 82
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12766464
Equivalent to 0 /8s, 194 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 38.0
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 1454 521 190 TATA Communications formerly
17488 1393 95 99 Hathway IP Over Cable Interne
9583 1109 87 476 Sify Limited
4766 876 6407 359 Korea Telecom (KIX)
4134 839 13664 343 CHINANET-BACKBONE
23577 808 34 689 Korea Telecom (ATM-MPLS)
18101 781 161 63 Reliance Infocom Ltd Internet
4780 717 355 61 Digital United Inc.
9498 680 295 54 BHARTI BT INTERNET LTD.
4808 627 1164 142 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 4299 3416 339 bellsouth.net, inc.
209 2940 4033 623 Qwest
6298 2009 319 713 Cox Communicatons
20115 1811 1425 712 Charter Communications
1785 1668 717 154 PaeTec Communications, Inc.
2386 1554 699 895 AT&T Data Communications Serv
4323 1540 1083 373 Time Warner Telecom
7018 1414 5795 984 AT&T WorldNet Services
11492 1212 152 11 Cable One
6478 1203 242 182 AT&T Worldnet Services
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 432 1761 381 TDC Tele Danmark
30890 338 90 182 SC Kappa Invexim SRL
3301 330 1428 301 TeliaNet Sweden
3215 328 2756 107 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 324 79 22 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 301 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
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 1412 2847 223 UniNet S.A. de C.V.
11830 669 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 493 242 71 Telecom Argentina Stet-France
10620 483 118 93 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 407 118 71 Servicios Alestra S.A de C.V
14117 343 23 9 Telefonica del Sur S.A.
28573 339 443 28 NET Servicos de Comunicao 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
24863 545 71 39 LINKdotNET AS number
20858 401 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 234 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 109 13 9 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 4299 3416 339 bellsouth.net, inc.
209 2940 4033 623 Qwest
6298 2009 319 713 Cox Communicatons
20115 1811 1425 712 Charter Communications
1785 1668 717 154 PaeTec Communications, Inc.
2386 1554 699 895 AT&T Data Communications Serv
4323 1540 1083 373 Time Warner Telecom
4755 1454 521 190 TATA Communications formerly
7018 1414 5795 984 AT&T WorldNet Services
8151 1412 2847 223 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2940 2317 Qwest
1785 1668 1514 PaeTec Communications, Inc.
6298 2009 1296 Cox Communicatons
17488 1393 1294 Hathway IP Over Cable Interne
4755 1454 1264 TATA Communications formerly
11492 1212 1201 Cable One
8151 1412 1189 UniNet S.A. de C.V.
4323 1540 1167 Time Warner Telecom
20115 1811 1099 Charter Communications
18566 1058 1048 Covad Communications
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
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 3549 Global Crossing
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
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
41.189.32.0/21 29571 Ci Telecom Autonomous system
41.215.208.0/20 8657 CPRM Autonomous System
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.133.0.0/19 16082 Spitfire Digital Networks Aut
63.140.213.0/24 22555 Universal Talkware Corporatio
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 /12:147
/13:295 /14:531 /15:1060 /16:10127 /17:4401 /18:7603
/19:16337 /20:19159 /21:18671 /22:23526 /23:24569 /24:141200
/25:816 /26:979 /27:769 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2847 4299 bellsouth.net, inc.
6298 1983 2009 Cox Communicatons
209 1698 2940 Qwest
2386 1234 1554 AT&T Data Communications Serv
17488 1200 1393 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1128 1668 PaeTec Communications, Inc.
6478 1095 1203 AT&T Worldnet Services
18566 1039 1058 Covad Communications
9583 977 1109 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:142 12:2173 13:2 15:22 16:3
17:5 18:13 20:35 24:1128 31:1 32:58
38:502 40:92 41:712 43:1 44:2 47:12
52:3 55:3 56:3 57:26 58:520 59:526
60:452 61:974 62:1233 63:2034 64:3219 65:2418
66:3509 67:1264 68:802 69:2321 70:859 71:244
72:2053 73:7 74:1217 75:161 76:265 77:804
78:839 79:255 80:929 81:863 82:603 83:381
84:581 85:1006 86:401 87:709 88:340 89:1384
90:20 91:1561 92:267 93:895 94:227 96:79
97:88 98:338 99:8 113:1 114:104 115:100
116:998 117:373 118:236 119:515 120:93 121:599
122:853 123:444 124:863 125:1183 128:356 129:201
130:134 131:416 132:72 133:9 134:180 135:32
136:217 137:97 138:142 139:81 140:511 141:106
142:408 143:299 144:328 145:51 146:371 147:159
148:524 149:210 150:128 151:182 152:149 153:136
154:10 155:283 156:173 157:301 158:168 159:305
160:275 161:138 162:255 163:131 164:518 165:509
166:365 167:336 168:635 169:143 170:452 171:33
172:10 173:34 187:16 188:1 189:309 190:2235
192:5750 193:4147 194:3265 195:2584 196:1006 198:3740
199:3295 200:5538 201:1435 202:7855 203:8083 204:3943
205:2154 206:2349 207:2742 208:3680 209:3437 210:2580
211:1096 212:1464 213:1595 214:175 215:50 216:4355
217:1237 218:348 219:435 220:1061 221:416 222:287
End of report
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