Routing Table Report 04:00 +10GMT Mon 01 Jun, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289084
Prefixes after maximum aggregation: 136670
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 142190
Total ASes present in the Internet Routing Table: 31381
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 27266
Origin ASes announcing only one prefix: 13320
Transit ASes present in the Internet Routing Table: 4115
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 514
Unregistered ASNs in the Routing Table: 145
Number of 32-bit ASNs allocated by the RIRs: 165
Prefixes from 32-bit ASNs in the Routing Table: 42
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 806
Number of addresses announced to Internet: 2055882560
Equivalent to 122 /8s, 138 /16s and 71 /24s
Percentage of available address space announced: 55.5
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.2
Total number of prefixes smaller than registry allocations: 143064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68128
Total APNIC prefixes after maximum aggregation: 24387
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 67550
Unique aggregates announced from the APNIC address blocks: 30652
APNIC Region origin ASes present in the Internet Routing Table: 3647
APNIC Prefixes per ASN: 18.52
APNIC Region origin ASes announcing only one prefix: 996
APNIC Region transit ASes present in the Internet Routing Table: 558
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 452522336
Equivalent to 26 /8s, 248 /16s and 241 /24s
Percentage of available APNIC address space announced: 84.3
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,
180/8, 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: 124982
Total ARIN prefixes after maximum aggregation: 65754
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 125703
Unique aggregates announced from the ARIN address blocks: 51685
ARIN Region origin ASes present in the Internet Routing Table: 13020
ARIN Prefixes per ASN: 9.65
ARIN Region origin ASes announcing only one prefix: 5007
ARIN Region transit ASes present in the Internet Routing Table: 1272
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1017329984
Equivalent to 60 /8s, 163 /16s and 57 /24s
Percentage of available ARIN address space announced: 195.6
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
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: 65603
Total RIPE prefixes after maximum aggregation: 38796
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64818
Unique aggregates announced from the RIPE address blocks: 43628
RIPE Region origin ASes present in the Internet Routing Table: 13079
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 6862
RIPE Region transit ASes present in the Internet Routing Table: 1988
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 480750240
Equivalent to 28 /8s, 167 /16s and 170 /24s
Percentage of available RIPE address space announced: 102.3
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: 23706
Total LACNIC prefixes after maximum aggregation: 5939
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 23587
Unique aggregates announced from the LACNIC address blocks: 13116
LACNIC Region origin ASes present in the Internet Routing Table: 1115
LACNIC Prefixes per ASN: 21.15
LACNIC Region origin ASes announcing only one prefix: 361
LACNIC Region transit ASes present in the Internet Routing Table: 183
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 71556224
Equivalent to 4 /8s, 67 /16s and 220 /24s
Percentage of available LACNIC address space announced: 71.1
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: 6239
Total AfriNIC prefixes after maximum aggregation: 1455
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 6607
Unique aggregates announced from the AfriNIC address blocks: 2474
AfriNIC Region origin ASes present in the Internet Routing Table: 303
AfriNIC Prefixes per ASN: 21.81
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19386624
Equivalent to 1 /8s, 39 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 57.8
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 1705 6930 401 Korea Telecom (KIX)
17488 1590 130 99 Hathway IP Over Cable Interne
4755 1248 476 123 TATA Communications formerly
9583 1077 86 540 Sify Limited
4134 890 16789 375 CHINANET-BACKBONE
7545 785 198 101 TPG Internet Pty Ltd
23577 780 34 661 Korea Telecom (ATM-MPLS)
18101 749 216 29 Reliance Infocom Ltd Internet
24560 693 230 174 Bharti Airtel Ltd.
9829 669 561 15 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 4293 3647 324 bellsouth.net, inc.
209 2540 4137 604 Qwest
4323 1853 1035 374 Time Warner Telecom
1785 1700 717 139 PaeTec Communications, Inc.
20115 1626 1441 720 Charter Communications
7018 1501 5902 1034 AT&T WorldNet Services
6478 1397 310 445 AT&T Worldnet Services
2386 1268 683 920 AT&T Data Communications Serv
3356 1213 10981 456 Level 3 Communications, LLC
11492 1109 208 12 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
30890 525 87 195 Evolva Telecom
3292 456 1893 394 TDC Tele Danmark
12479 450 578 6 Uni2 Autonomous System
702 430 1864 344 UUNET - Commercial IP service
8866 388 110 28 Bulgarian Telecommunication C
35805 348 24 4 United Telecom of Georgia
3320 344 7066 295 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
29049 318 26 3 AzerSat LLC.
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 1449 2862 235 UniNet S.A. de C.V.
10620 917 207 106 TVCABLE BOGOTA
22047 579 302 14 VTR PUNTO NET S.A.
7303 543 295 78 Telecom Argentina Stet-France
11830 486 292 54 Instituto Costarricense de El
28573 476 562 35 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 441 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 357 170 79 Empresa Nacional de Telecomun
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 1203 188 7 TEDATA
24863 878 81 41 LINKdotNET AS number
20858 326 34 5 EgyNet
3741 278 860 238 The Internet Solution
2018 245 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 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 4293 3647 324 bellsouth.net, inc.
209 2540 4137 604 Qwest
4323 1853 1035 374 Time Warner Telecom
4766 1705 6930 401 Korea Telecom (KIX)
1785 1700 717 139 PaeTec Communications, Inc.
20115 1626 1441 720 Charter Communications
17488 1590 130 99 Hathway IP Over Cable Interne
7018 1501 5902 1034 AT&T WorldNet Services
8151 1449 2862 235 UniNet S.A. de C.V.
6478 1397 310 445 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 2540 1936 Qwest
1785 1700 1561 PaeTec Communications, Inc.
17488 1590 1491 Hathway IP Over Cable Interne
4323 1853 1479 Time Warner Telecom
4766 1705 1304 Korea Telecom (KIX)
8151 1449 1214 UniNet S.A. de C.V.
8452 1203 1196 TEDATA
4755 1248 1125 TATA Communications formerly
11492 1109 1097 Cable One
18566 1061 1051 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
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
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
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
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
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 /10:22 /11:58 /12:166
/13:347 /14:602 /15:1150 /16:10486 /17:4760 /18:8172
/19:17113 /20:20438 /21:20335 /22:26056 /23:25808 /24:151012
/25:832 /26:991 /27:545 /28:141 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2800 4293 bellsouth.net, inc.
4766 1398 1705 Korea Telecom (KIX)
17488 1307 1590 Hathway IP Over Cable Interne
209 1283 2540 Qwest
1785 1176 1700 PaeTec Communications, Inc.
8452 1169 1203 TEDATA
11492 1043 1109 Cable One
18566 1042 1061 Covad Communications
2386 975 1268 AT&T Data Communications Serv
4323 950 1853 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:203 12:2213 13:10 15:19 16:3
17:4 20:35 24:1073 32:52 34:2 38:557
40:97 41:1990 43:1 44:2 47:22 52:4
55:2 56:3 57:24 58:586 59:642 60:459
61:1091 62:1090 63:2084 64:3724 65:2380 66:3618
67:1609 68:822 69:2630 70:531 71:147 72:1664
73:2 74:1540 75:173 76:308 77:861 78:555
79:341 80:974 81:822 82:553 83:429 84:644
85:1052 86:401 87:661 88:355 89:1437 90:60
91:2256 92:338 93:1035 94:1224 95:1182 96:135
97:208 98:241 99:20 109:1 110:127 112:130
113:120 114:270 115:293 116:1161 117:525 118:281
119:703 120:145 121:745 122:1027 123:684 124:986
125:1323 128:222 129:235 130:125 131:413 132:75
133:9 134:186 135:39 136:224 137:154 138:162
139:78 140:443 141:114 142:381 143:340 144:366
145:47 146:376 147:159 148:517 149:226 150:177
151:198 152:147 153:140 154:2 155:275 156:170
157:298 158:115 159:312 160:283 161:143 162:268
163:148 164:480 165:499 166:274 167:361 168:678
169:164 170:467 171:40 172:10 173:288 174:218
178:1 180:1 183:1 186:12 187:96 188:19
189:417 190:2685 192:5779 193:4222 194:3298 195:2705
196:1083 198:3630 199:3362 200:5158 201:1251 202:7880
203:8191 204:3841 205:2146 206:2451 207:2778 208:3902
209:3444 210:2681 211:1119 212:1526 213:1671 214:77
215:31 216:4699 217:1282 218:367 219:432 220:1216
221:477 222:301
End of report
