[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 27 18:11:41 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 28 Mar, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 283794
Prefixes after maximum aggregation: 134532
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 139535
Total ASes present in the Internet Routing Table: 30912
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 26905
Origin ASes announcing only one prefix: 13087
Transit ASes present in the Internet Routing Table: 4007
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 493
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 138
Prefixes from 32-bit ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 251
Number of addresses announced to Internet: 2022627808
Equivalent to 120 /8s, 142 /16s and 217 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 63.8
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 76.1
Total number of prefixes smaller than registry allocations: 139620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 65682
Total APNIC prefixes after maximum aggregation: 23471
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 62432
Unique aggregates announced from the APNIC address blocks: 28564
APNIC Region origin ASes present in the Internet Routing Table: 3585
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 974
APNIC Region transit ASes present in the Internet Routing Table: 547
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 409336608
Equivalent to 24 /8s, 101 /16s and 251 /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
APNIC Address Blocks 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,
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: 124316
Total ARIN prefixes after maximum aggregation: 65644
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 93687
Unique aggregates announced from the ARIN address blocks: 36273
ARIN Region origin ASes present in the Internet Routing Table: 12867
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4937
ARIN Region transit ASes present in the Internet Routing Table: 1239
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 420340480
Equivalent to 25 /8s, 13 /16s and 227 /24s
Percentage of available ARIN address space announced: 80.8
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, 108/8, 173/8,
174/8, 184/8, 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: 65001
Total RIPE prefixes after maximum aggregation: 37810
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 59598
Unique aggregates announced from the RIPE address blocks: 39657
RIPE Region origin ASes present in the Internet Routing Table: 12845
RIPE Prefixes per ASN: 4.64
RIPE Region origin ASes announcing only one prefix: 6749
RIPE Region transit ASes present in the Internet Routing Table: 1937
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 392009120
Equivalent to 23 /8s, 93 /16s and 149 /24s
Percentage of available RIPE address space announced: 83.4
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
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, 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: 23524
Total LACNIC prefixes after maximum aggregation: 5849
LACNIC Deaggregation factor: 4.02
Prefixes being announced from the LACNIC address blocks: 21683
Unique aggregates announced from the LACNIC address blocks: 11890
LACNIC Region origin ASes present in the Internet Routing Table: 1082
LACNIC Prefixes per ASN: 20.04
LACNIC Region origin ASes announcing only one prefix: 342
LACNIC Region transit ASes present in the Internet Routing Table: 179
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 61816320
Equivalent to 3 /8s, 175 /16s and 62 /24s
Percentage of available LACNIC address space announced: 61.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 4816
Total AfriNIC prefixes after maximum aggregation: 1387
AfriNIC Deaggregation factor: 3.47
Prefixes being announced from the AfriNIC address blocks: 4519
Unique aggregates announced from the AfriNIC address blocks: 1351
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 15.91
AfriNIC Region origin ASes announcing only one prefix: 85
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: 15
Number of AfriNIC addresses announced to Internet: 10140928
Equivalent to 0 /8s, 154 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 30.2
AfriNIC AS Blocks 36864-37887 & 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 1693 6929 393 Korea Telecom (KIX)
17488 1532 121 96 Hathway IP Over Cable Interne
4755 1177 405 182 TATA Communications formerly
9583 1086 86 537 Sify Limited
4134 927 16390 367 CHINANET-BACKBONE
7545 774 163 105 TPG Internet Pty Ltd
18101 760 206 34 Reliance Infocom Ltd Internet
9498 688 296 50 BHARTI BT INTERNET LTD.
24560 678 228 175 Bharti Airtel Ltd.
9829 638 491 20 BSNL National Internet Backbo
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 4324 3672 329 bellsouth.net, inc.
209 2653 4151 622 Qwest
4323 1808 1049 372 Time Warner Telecom
1785 1737 717 139 PaeTec Communications, Inc.
20115 1594 1430 725 Charter Communications
7018 1447 5896 1020 AT&T WorldNet Services
6478 1295 295 527 AT&T Worldnet Services
2386 1255 680 899 AT&T Data Communications Serv
3356 1198 10978 452 Level 3 Communications, LLC
11492 1193 192 11 Cable One
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
8452 1247 188 7 TEDATA
3292 453 1763 393 TDC Tele Danmark
30890 436 86 194 SC Kappa Invexim SRL
12479 405 578 6 Uni2 Autonomous System
3301 342 1685 307 TeliaNet Sweden
3215 339 3017 108 France Telecom Transpac
3320 337 7074 294 Deutsche Telekom AG
8866 337 109 22 Bulgarian Telecommunication C
29049 324 26 3 AzerSat LLC.
8551 313 288 40 Bezeq International
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 1441 2831 235 UniNet S.A. de C.V.
10620 839 191 98 TVCABLE BOGOTA
22047 607 302 14 VTR PUNTO NET S.A.
7303 520 260 80 Telecom Argentina Stet-France
11830 520 294 42 Instituto Costarricense de El
16814 491 31 10 NSS, S.A.
6471 442 95 32 ENTEL CHILE S.A.
11172 410 102 72 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 386 518 25 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 831 74 30 LINKdotNET AS number
20858 292 34 3 This AS will be used to conne
3741 272 858 232 The Internet Solution
2018 242 215 142 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 148 10 8 EEPAD TISP TELECOM & INTERNET
29571 137 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 65 Telkom SA Ltd
33776 109 6 3 Starcomms Nigeria Limited
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 4324 3672 329 bellsouth.net, inc.
209 2653 4151 622 Qwest
4323 1808 1049 372 Time Warner Telecom
1785 1737 717 139 PaeTec Communications, Inc.
4766 1693 6929 393 Korea Telecom (KIX)
20115 1594 1430 725 Charter Communications
17488 1532 121 96 Hathway IP Over Cable Interne
7018 1447 5896 1020 AT&T WorldNet Services
8151 1441 2831 235 UniNet S.A. de C.V.
6478 1295 295 527 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2653 2031 Qwest
1785 1737 1598 PaeTec Communications, Inc.
4323 1808 1436 Time Warner Telecom
17488 1532 1436 Hathway IP Over Cable Interne
4766 1693 1300 Korea Telecom (KIX)
8452 1247 1240 TEDATA
8151 1441 1206 UniNet S.A. de C.V.
11492 1193 1182 Cable One
18566 1061 1051 Covad Communications
4755 1177 995 TATA Communications formerly
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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:10 /10:20 /11:56 /12:163
/13:321 /14:586 /15:1143 /16:10388 /17:4640 /18:7977
/19:17040 /20:20218 /21:19919 /22:25356 /23:25314 /24:148648
/25:646 /26:799 /27:363 /28:115 /29:37 /30:9
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2809 4324 bellsouth.net, inc.
4766 1398 1693 Korea Telecom (KIX)
209 1358 2653 Qwest
17488 1301 1532 Hathway IP Over Cable Interne
8452 1226 1247 TEDATA
11492 1149 1193 Cable One
1785 1145 1737 PaeTec Communications, Inc.
18566 1042 1061 Covad Communications
2386 957 1255 AT&T Data Communications Serv
4323 942 1808 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:172 12:2198 13:3 15:19 16:3
17:4 20:35 24:1122 32:51 38:550 40:97
41:2002 43:1 44:2 47:21 52:3 55:2
56:3 57:25 58:530 59:618 60:461 61:1104
62:1122 63:2023 64:3604 65:2430 66:3595 67:1506
68:688 69:2537 70:512 71:164 72:1651 73:2
74:1462 75:206 76:309 77:835 78:540 79:306
80:955 81:821 82:533 83:407 84:598 85:1009
86:396 87:623 88:351 89:1490 90:44 91:2089
92:331 93:1127 94:1209 95:825 96:106 97:184
98:243 99:17 109:1 110:32 112:91 113:89
114:223 115:235 116:1127 117:476 118:285 119:658
120:142 121:712 122:981 123:552 124:960 125:1302
128:221 129:226 130:129 131:415 132:74 133:9
134:186 135:39 136:241 137:153 138:147 139:77
140:419 141:104 142:391 143:331 144:323 145:43
146:376 147:150 148:513 149:239 150:147 151:200
152:151 153:136 154:11 155:266 156:167 157:297
158:133 159:273 160:281 161:133 162:271 163:148
164:478 165:533 166:276 167:361 168:682 169:162
170:475 171:38 172:10 173:249 174:153 178:1
186:7 187:69 188:9 189:304 190:2704 192:5808
193:4219 194:3330 195:2677 196:1069 198:3729 199:3317
200:5503 201:1361 202:7861 203:8069 204:3795 205:2158
206:2389 207:2797 208:3896 209:3450 210:2632 211:1107
212:1503 213:1693 214:70 215:25 216:4542 217:1268
218:360 219:416 220:1208 221:449 222:261
End of report
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