Routing Table Report 04:00 +10GMT Sun 25 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 326704
Prefixes after maximum aggregation: 150139
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 159385
Total ASes present in the Internet Routing Table: 34414
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29875
Origin ASes announcing only one prefix: 14458
Transit ASes present in the Internet Routing Table: 4539
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 302
Unregistered ASNs in the Routing Table: 117
Number of 32-bit ASNs allocated by the RIRs: 702
Prefixes from 32-bit ASNs in the Routing Table: 856
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2277233920
Equivalent to 135 /8s, 187 /16s and 213 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.9
Total number of prefixes smaller than registry allocations: 155654
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79516
Total APNIC prefixes after maximum aggregation: 27187
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 76394
Unique aggregates announced from the APNIC address blocks: 33524
APNIC Region origin ASes present in the Internet Routing Table: 4126
APNIC Prefixes per ASN: 18.52
APNIC Region origin ASes announcing only one prefix: 1137
APNIC Region transit ASes present in the Internet Routing Table: 636
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 532507424
Equivalent to 31 /8s, 189 /16s and 107 /24s
Percentage of available APNIC address space announced: 79.3
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: 134639
Total ARIN prefixes after maximum aggregation: 69491
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107496
Unique aggregates announced from the ARIN address blocks: 42031
ARIN Region origin ASes present in the Internet Routing Table: 13796
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5276
ARIN Region transit ASes present in the Internet Routing Table: 1360
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729849120
Equivalent to 43 /8s, 128 /16s and 157 /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: 75007
Total RIPE prefixes after maximum aggregation: 43448
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68168
Unique aggregates announced from the RIPE address blocks: 44590
RIPE Region origin ASes present in the Internet Routing Table: 14619
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7516
RIPE Region transit ASes present in the Internet Routing Table: 2182
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433426816
Equivalent to 25 /8s, 213 /16s and 145 /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: 29131
Total LACNIC prefixes after maximum aggregation: 6991
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27658
Unique aggregates announced from the LACNIC address blocks: 14554
LACNIC Region origin ASes present in the Internet Routing Table: 1314
LACNIC Prefixes per ASN: 21.05
LACNIC Region origin ASes announcing only one prefix: 409
LACNIC Region transit ASes present in the Internet Routing Table: 231
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75763264
Equivalent to 4 /8s, 132 /16s and 14 /24s
Percentage of available LACNIC address space announced: 56.4
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: 7303
Total AfriNIC prefixes after maximum aggregation: 1870
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5609
Unique aggregates announced from the AfriNIC address blocks: 1638
AfriNIC Region origin ASes present in the Internet Routing Table: 383
AfriNIC Prefixes per ASN: 14.64
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 85
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19908864
Equivalent to 1 /8s, 47 /16s and 201 /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 1856 8409 489 Korea Telecom (KIX)
4755 1472 298 160 TATA Communications formerly
7545 1362 232 105 TPG Internet Pty Ltd
17488 1334 147 128 Hathway IP Over Cable Interne
17974 1171 286 54 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 486 Sify Limited
24560 987 304 181 Bharti Airtel Ltd., Telemedia
4808 827 1575 219 CNCGROUP IP network: China169
9829 813 685 32 BSNL National Internet Backbo
4134 783 21740 411 CHINANET-BACKBONE
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 3886 3716 284 bellsouth.net, inc.
4323 2724 1112 393 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
20115 1488 1522 654 Charter Communications
7018 1477 5734 960 AT&T WorldNet Services
2386 1285 568 907 AT&T Data Communications Serv
6478 1263 253 180 AT&T Worldnet Services
22773 1172 2858 61 Cox Communications, Inc.
3356 1159 10878 403 Level 3 Communications, LLC
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
35805 653 56 6 United Telecom of Georgia
9198 497 202 13 Kazakhtelecom Data Network Ad
3292 449 2026 390 TDC Tele Danmark
30890 443 111 206 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 401 353 46 Bezeq International
3320 375 7329 326 Deutsche Telekom AG
3301 371 1414 326 TeliaNet Sweden
34984 363 89 183 BILISIM TELEKOM
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 1461 3049 250 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1015 818 100 NET Servicos de Comunicao S.A
7303 769 396 104 Telecom Argentina Stet-France
6503 705 177 219 AVANTEL, S.A.
22047 553 310 15 VTR PUNTO NET S.A.
14420 507 32 73 CORPORACION NACIONAL DE TELEC
3816 492 208 87 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 448 99 76 Servicios Alestra S.A de C.V
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 1108 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 265 898 228 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 210 245 62 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 183 19 10 Ci Telecom Autonomous system
16637 166 440 95 MTN Network Solutions
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 3886 3716 284 bellsouth.net, inc.
4323 2724 1112 393 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
4766 1856 8409 489 Korea Telecom (KIX)
1785 1780 698 129 PaeTec Communications, Inc.
20115 1488 1522 654 Charter Communications
7018 1477 5734 960 AT&T WorldNet Services
4755 1472 298 160 TATA Communications formerly
8151 1461 3049 250 UniNet S.A. de C.V.
7545 1362 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2724 2331 Time Warner Telecom
19262 1946 1668 Verizon Global Networks
1785 1780 1651 PaeTec Communications, Inc.
4766 1856 1367 Korea Telecom (KIX)
4755 1472 1312 TATA Communications formerly
7545 1362 1257 TPG Internet Pty Ltd
8151 1461 1211 UniNet S.A. de C.V.
17488 1334 1206 Hathway IP Over Cable Interne
17974 1171 1117 PT TELEKOMUNIKASI INDONESIA
22773 1172 1111 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
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
26973 UNALLOCATED 12.39.159.0/24 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
24.38.240.0/21 33287 Comcast Cable Communications,
24.38.248.0/21 33287 Comcast Cable Communications,
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
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 /8:21 /9:10 /10:25 /11:67 /12:197
/13:408 /14:710 /15:1295 /16:11181 /17:5335 /18:9173
/19:18519 /20:23094 /21:23145 /22:30049 /23:29672 /24:170577
/25:1051 /26:1315 /27:772 /28:28 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2490 3886 bellsouth.net, inc.
4766 1486 1856 Korea Telecom (KIX)
4323 1394 2724 Time Warner Telecom
1785 1242 1780 PaeTec Communications, Inc.
17488 1078 1334 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1067 1158 Cable One
8452 1001 1108 TEDATA
10620 988 1072 TVCABLE BOGOTA
19262 912 1946 Verizon Global Networks
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:11 2:2 4:13 8:290 12:2018 13:7
14:1 15:21 16:3 17:8 20:6 24:1433
27:251 31:1 32:49 33:12 38:686 40:98
41:2444 44:3 46:10 47:17 52:9 55:5
56:2 57:28 58:762 59:504 60:462 61:1068
62:1033 63:1970 64:3691 65:2343 66:4045 67:1822
68:1093 69:2705 70:708 71:446 72:1944 73:2
74:2261 75:250 76:318 77:899 78:623 79:433
80:995 81:766 82:495 83:439 84:683 85:1046
86:459 87:684 88:340 89:1559 90:95 91:2887
92:506 93:988 94:1400 95:657 96:528 97:211
98:615 99:33 108:105 109:582 110:387 111:535
112:287 113:328 114:468 115:634 116:1084 117:654
118:479 119:882 120:136 121:726 122:1567 123:948
124:1111 125:1314 128:227 129:198 130:193 131:555
132:247 133:17 134:196 135:45 136:242 137:145
138:265 139:104 140:484 141:196 142:342 143:372
144:468 145:50 146:449 147:168 148:668 149:300
150:155 151:230 152:296 153:168 154:2 155:356
156:159 157:324 158:110 159:357 160:317 161:183
162:255 163:174 164:409 165:367 166:460 167:413
168:646 169:157 170:713 171:59 172:2 173:954
174:500 175:152 176:1 178:314 180:467 182:197
183:240 184:115 186:519 187:403 188:1012 189:768
190:3835 192:5737 193:4718 194:3403 195:2805 196:1188
198:3563 199:3482 200:5345 201:1566 202:7985 203:8319
204:4071 205:2329 206:2494 207:3113 208:3866 209:3453
210:2558 211:1272 212:1714 213:1662 214:639 215:69
216:4717 217:1517 218:500 219:485 220:1144 221:402
222:317 223:1
End of report