Routing Table Report 08:00 +10GMT Fri 30 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 322408
Prefixes after maximum aggregation: 148821
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 159559
Total ASes present in the Internet Routing Table: 34324
Prefixes per ASN: 9.39
Origin-only ASes present in the Internet Routing Table: 29748
Origin ASes announcing only one prefix: 14492
Transit ASes present in the Internet Routing Table: 4576
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 35
Prefixes from unregistered ASNs in the Routing Table: 325
Unregistered ASNs in the Routing Table: 109
Number of 32-bit ASNs allocated by the RIRs: 710
Prefixes from 32-bit ASNs in the Routing Table: 870
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2567431936
Equivalent to 153 /8s, 7 /16s and 231 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 74.7
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 84.0
Total number of prefixes smaller than registry allocations: 151752
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75675
Total APNIC prefixes after maximum aggregation: 26206
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 73380
Unique aggregates announced from the APNIC address blocks: 33540
APNIC Region origin ASes present in the Internet Routing Table: 4081
APNIC Prefixes per ASN: 17.98
APNIC Region origin ASes announcing only one prefix: 1156
APNIC Region transit ASes present in the Internet Routing Table: 620
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 536491264
Equivalent to 31 /8s, 250 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.9
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, 14/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 133322
Total ARIN prefixes after maximum aggregation: 69126
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 106696
Unique aggregates announced from the ARIN address blocks: 42102
ARIN Region origin ASes present in the Internet Routing Table: 13754
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5288
ARIN Region transit ASes present in the Internet Routing Table: 1357
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 38
Number of ARIN addresses announced to Internet: 729889024
Equivalent to 43 /8s, 129 /16s and 57 /24s
Percentage of available ARIN address space announced: 62.1
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
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: 75648
Total RIPE prefixes after maximum aggregation: 43534
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 68734
Unique aggregates announced from the RIPE address blocks: 44682
RIPE Region origin ASes present in the Internet Routing Table: 14633
RIPE Prefixes per ASN: 4.70
RIPE Region origin ASes announcing only one prefix: 7520
RIPE Region transit ASes present in the Internet Routing Table: 2223
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433587968
Equivalent to 25 /8s, 216 /16s and 7 /24s
Percentage of available RIPE address space announced: 76.0
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, 31/8, 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, 176/8, 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: 28876
Total LACNIC prefixes after maximum aggregation: 6912
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 27521
Unique aggregates announced from the LACNIC address blocks: 14618
LACNIC Region origin ASes present in the Internet Routing Table: 1307
LACNIC Prefixes per ASN: 21.06
LACNIC Region origin ASes announcing only one prefix: 408
LACNIC Region transit ASes present in the Internet Routing Table: 231
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75824384
Equivalent to 4 /8s, 132 /16s and 253 /24s
Percentage of available LACNIC address space announced: 56.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7346
Total AfriNIC prefixes after maximum aggregation: 1871
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 5653
Unique aggregates announced from the AfriNIC address blocks: 1598
AfriNIC Region origin ASes present in the Internet Routing Table: 379
AfriNIC Prefixes per ASN: 14.92
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 84
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19910912
Equivalent to 1 /8s, 47 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 59.3
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 1694 8409 484 Korea Telecom (KIX)
7545 1371 234 88 TPG Internet Pty Ltd
17488 1343 151 126 Hathway IP Over Cable Interne
4755 1324 298 152 TATA Communications formerly
17974 1177 287 59 PT TELEKOMUNIKASI INDONESIA
9583 1003 74 486 Sify Limited
24560 991 305 182 Bharti Airtel Ltd., Telemedia
9829 816 685 32 BSNL National Internet Backbo
4808 766 1483 196 CNCGROUP IP network: China169
4134 754 21996 412 CHINANET-BACKBONE
Complete listing at http://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3882 3716 284 bellsouth.net, inc.
4323 2735 1112 396 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
1785 1782 698 129 PaeTec Communications, Inc.
20115 1488 1522 653 Charter Communications
7018 1468 5733 957 AT&T WorldNet Services
2386 1282 539 912 AT&T Data Communications Serv
6478 1263 253 183 AT&T Worldnet Services
22773 1173 2858 61 Cox Communications, Inc.
3356 1162 10878 402 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 655 56 6 United Telecom of Georgia
9116 532 328 33 Goldenlines main autonomous s
9198 499 202 13 Kazakhtelecom Data Network Ad
3292 449 2026 390 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
702 412 1853 324 UUNET - Commercial IP service
8551 403 355 38 Bezeq International
8866 403 117 18 Bulgarian Telecommunication C
3320 376 7329 327 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
Complete listing at http://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1436 3048 238 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1014 818 100 NET Servicos de Comunicao S.A
7303 751 395 92 Telecom Argentina Stet-France
6503 708 178 222 AVANTEL, S.A.
22047 555 310 15 VTR PUNTO NET S.A.
14420 537 34 74 ANDINATEL S.A.
3816 491 210 91 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 445 99 76 Servicios Alestra S.A de C.V
Complete listing at http://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1176 445 10 TEDATA
24863 722 146 36 LINKdotNET AS number
36992 654 279 185 Etisalat MISR
3741 270 898 232 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 211 277 64 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
29571 191 19 10 Ci Telecom Autonomous system
24835 189 78 9 RAYA Telecom - Egypt
16637 146 441 100 MTN Network Solutions
Complete listing at http://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3882 3716 284 bellsouth.net, inc.
4323 2735 1112 396 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
1785 1782 698 129 PaeTec Communications, Inc.
4766 1694 8409 484 Korea Telecom (KIX)
20115 1488 1522 653 Charter Communications
7018 1468 5733 957 AT&T WorldNet Services
8151 1436 3048 238 UniNet S.A. de C.V.
7545 1371 234 88 TPG Internet Pty Ltd
17488 1343 151 126 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2735 2339 Time Warner Telecom
19262 1946 1668 Verizon Global Networks
1785 1782 1653 PaeTec Communications, Inc.
7545 1371 1283 TPG Internet Pty Ltd
17488 1343 1217 Hathway IP Over Cable Interne
4766 1694 1210 Korea Telecom (KIX)
8151 1436 1198 UniNet S.A. de C.V.
4755 1324 1172 TATA Communications formerly
8452 1176 1166 TEDATA
17974 1177 1118 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 5.0.0.0/8 0 *
65333 PRIVATE 10.0.0.0/8 0 *
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
Complete listing at http://thyme.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65333 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.apnic.net/london/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 /8:38 /9:10 /10:25 /11:67 /12:199
/13:409 /14:710 /15:1297 /16:11154 /17:5370 /18:9155
/19:18606 /20:23189 /21:23042 /22:29945 /23:29624 /24:169173
/25:10 /26:16 /27:29 /28:144 /29:79 /30:29
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2486 3882 bellsouth.net, inc.
4323 1398 2735 Time Warner Telecom
4766 1326 1694 Korea Telecom (KIX)
1785 1244 1782 PaeTec Communications, Inc.
17488 1085 1343 Hathway IP Over Cable Interne
11492 1069 1160 Cable One
8452 1065 1176 TEDATA
18566 1040 1059 Covad Communications
10620 988 1072 TVCABLE BOGOTA
19262 912 1946 Verizon Global Networks
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:38 2:2 4:13 8:292 12:2015 13:7
14:1 15:21 16:3 17:8 20:6 24:1434
27:265 31:1 32:57 33:12 38:683 40:98
41:2478 44:3 46:17 47:16 52:9 55:6
56:2 57:36 58:681 59:505 60:460 61:989
62:1039 63:1963 64:3676 65:2346 66:4043 67:1825
68:1095 69:2723 70:706 71:445 72:1943 73:2
74:2274 75:255 76:323 77:899 78:616 79:426
80:996 81:775 82:497 83:450 84:671 85:1042
86:467 87:701 88:340 89:1560 90:96 91:2902
92:506 93:1007 94:1409 95:662 96:524 97:210
98:613 99:33 100:1 108:105 109:586 110:433
111:526 112:265 113:312 114:433 115:570 116:1052
117:644 118:478 119:880 120:134 121:701 122:1514
123:951 124:1103 125:1300 128:175 129:157 130:163
131:553 132:245 133:16 134:188 135:45 136:238
137:132 138:265 139:101 140:457 141:196 142:325
143:366 144:461 145:51 146:444 147:168 148:647
149:300 150:154 151:228 152:279 153:168 154:1
155:354 156:157 157:296 158:110 159:358 160:314
161:175 162:254 163:164 164:410 165:365 166:461
167:413 168:642 169:155 170:710 171:59 172:2
173:955 174:505 175:158 176:1 178:327 180:470
182:149 183:242 184:119 186:529 187:411 188:1040
189:768 190:3842 192:5682 193:4710 194:3400 195:2814
196:1186 198:3502 199:3457 200:5325 201:1572 202:7781
203:8185 204:3986 205:2381 206:2422 207:3003 208:3867
209:3432 210:2498 211:1286 212:1727 213:1664 214:641
215:69 216:4707 217:1534 218:490 219:373 220:1138
221:383 222:313 223:1
End of report