Routing Table Report 04:00 +10GMT Thu 29 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 326851
Prefixes after maximum aggregation: 150434
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 159620
Total ASes present in the Internet Routing Table: 34444
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29902
Origin ASes announcing only one prefix: 14479
Transit ASes present in the Internet Routing Table: 4542
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 35
Prefixes from unregistered ASNs in the Routing Table: 301
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 707
Prefixes from 32-bit ASNs in the Routing Table: 870
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2279119808
Equivalent to 135 /8s, 216 /16s and 155 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 66.3
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: 155782
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79064
Total APNIC prefixes after maximum aggregation: 27241
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 75965
Unique aggregates announced from the APNIC address blocks: 33566
APNIC Region origin ASes present in the Internet Routing Table: 4133
APNIC Prefixes per ASN: 18.38
APNIC Region origin ASes announcing only one prefix: 1150
APNIC Region transit ASes present in the Internet Routing Table: 639
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 534004256
Equivalent to 31 /8s, 212 /16s and 66 /24s
Percentage of available APNIC address space announced: 79.6
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: 134906
Total ARIN prefixes after maximum aggregation: 69623
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107720
Unique aggregates announced from the ARIN address blocks: 42091
ARIN Region origin ASes present in the Internet Routing Table: 13806
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5282
ARIN Region transit ASes present in the Internet Routing Table: 1366
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 38
Number of ARIN addresses announced to Internet: 729919776
Equivalent to 43 /8s, 129 /16s and 177 /24s
Percentage of available ARIN address space announced: 62.2
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: 75169
Total RIPE prefixes after maximum aggregation: 43526
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68336
Unique aggregates announced from the RIPE address blocks: 44679
RIPE Region origin ASes present in the Internet Routing Table: 14634
RIPE Prefixes per ASN: 4.67
RIPE Region origin ASes announcing only one prefix: 7517
RIPE Region transit ASes present in the Internet Routing Table: 2175
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433530240
Equivalent to 25 /8s, 215 /16s and 37 /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: 29233
Total LACNIC prefixes after maximum aggregation: 6993
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 27739
Unique aggregates announced from the LACNIC address blocks: 14565
LACNIC Region origin ASes present in the Internet Routing Table: 1315
LACNIC Prefixes per ASN: 21.09
LACNIC Region origin ASes announcing only one prefix: 410
LACNIC Region transit ASes present in the Internet Routing Table: 232
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75803904
Equivalent to 4 /8s, 132 /16s and 173 /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: 7360
Total AfriNIC prefixes after maximum aggregation: 1879
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5647
Unique aggregates announced from the AfriNIC address blocks: 1621
AfriNIC Region origin ASes present in the Internet Routing Table: 385
AfriNIC Prefixes per ASN: 14.67
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: 19904000
Equivalent to 1 /8s, 47 /16s and 182 /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 488 Korea Telecom (KIX)
4755 1473 298 159 TATA Communications formerly
7545 1365 232 106 TPG Internet Pty Ltd
17488 1320 149 126 Hathway IP Over Cable Interne
17974 1179 286 56 PT TELEKOMUNIKASI INDONESIA
9583 1002 74 486 Sify Limited
24560 991 305 182 Bharti Airtel Ltd., Telemedia
4808 830 1578 222 CNCGROUP IP network: China169
9829 816 685 32 BSNL National Internet Backbo
4134 784 21996 412 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 3879 3716 286 bellsouth.net, inc.
4323 2729 1112 396 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
1785 1781 698 129 PaeTec Communications, Inc.
20115 1489 1522 654 Charter Communications
7018 1475 5733 959 AT&T WorldNet Services
2386 1286 554 909 AT&T Data Communications Serv
6478 1263 253 183 AT&T Worldnet Services
22773 1173 2858 61 Cox Communications, Inc.
3356 1161 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 654 56 6 United Telecom of Georgia
9198 499 202 13 Kazakhtelecom Data Network Ad
3292 448 2026 389 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
702 411 1853 323 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 401 353 46 Bezeq International
3320 376 7329 327 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 364 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 1527 3049 249 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1028 818 100 NET Servicos de Comunicao S.A
7303 776 396 104 Telecom Argentina Stet-France
6503 721 178 224 AVANTEL, S.A.
22047 555 310 15 VTR PUNTO NET S.A.
14420 520 33 75 CORPORACION NACIONAL DE TELEC
3816 492 209 90 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 447 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 1177 445 10 TEDATA
24863 725 147 39 LINKdotNET AS number
36992 652 279 185 Etisalat MISR
3741 266 898 229 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 186 19 10 Ci Telecom Autonomous system
16637 152 440 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 3879 3716 286 bellsouth.net, inc.
4323 2729 1112 396 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
4766 1856 8409 488 Korea Telecom (KIX)
1785 1781 698 129 PaeTec Communications, Inc.
8151 1527 3049 249 UniNet S.A. de C.V.
20115 1489 1522 654 Charter Communications
7018 1475 5733 959 AT&T WorldNet Services
4755 1473 298 159 TATA Communications formerly
7545 1365 232 106 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 2729 2333 Time Warner Telecom
19262 1946 1668 Verizon Global Networks
1785 1781 1652 PaeTec Communications, Inc.
4766 1856 1368 Korea Telecom (KIX)
4755 1473 1314 TATA Communications formerly
8151 1527 1278 UniNet S.A. de C.V.
7545 1365 1259 TPG Internet Pty Ltd
17488 1320 1194 Hathway IP Over Cable Interne
8452 1177 1167 TEDATA
17974 1179 1123 PT TELEKOMUNIKASI INDONESIA
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 /12:198
/13:406 /14:710 /15:1297 /16:11190 /17:5351 /18:9170
/19:18499 /20:23103 /21:23116 /22:30085 /23:29804 /24:170480
/25:1060 /26:1311 /27:770 /28:118 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2483 3879 bellsouth.net, inc.
4766 1486 1856 Korea Telecom (KIX)
4323 1394 2729 Time Warner Telecom
1785 1243 1781 PaeTec Communications, Inc.
11492 1069 1160 Cable One
18566 1069 1088 Covad Communications
8452 1066 1177 TEDATA
17488 1063 1320 Hathway IP Over Cable Interne
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)
----------------------------------------------
1:14 2:2 4:13 8:291 12:2016 13:7
14:1 15:21 16:3 17:8 20:6 24:1434
27:270 31:1 32:59 33:12 38:687 40:98
41:2484 44:3 46:17 47:16 52:9 55:6
56:2 57:28 58:760 59:504 60:462 61:1070
62:1037 63:1966 64:3698 65:2344 66:4044 67:1827
68:1092 69:2708 70:708 71:447 72:1943 73:2
74:2274 75:254 76:323 77:900 78:617 79:436
80:995 81:773 82:494 83:450 84:681 85:1042
86:467 87:685 88:340 89:1561 90:96 91:2894
92:509 93:1004 94:1406 95:661 96:528 97:209
98:611 99:32 108:105 109:584 110:416 111:533
112:273 113:320 114:433 115:577 116:1068 117:655
118:481 119:877 120:136 121:727 122:1515 123:951
124:1114 125:1309 128:225 129:198 130:195 131:552
132:247 133:17 134:196 135:45 136:241 137:145
138:266 139:104 140:481 141:196 142:341 143:374
144:468 145:51 146:447 147:168 148:674 149:301
150:155 151:228 152:297 153:168 154:2 155:356
156:160 157:324 158:110 159:359 160:316 161:182
162:252 163:174 164:410 165:367 166:461 167:415
168:644 169:157 170:716 171:59 172:2 173:954
174:503 175:153 176:1 178:324 180:475 182:162
183:244 184:117 186:529 187:402 188:1037 189:766
190:3826 192:5747 193:4716 194:3404 195:2807 196:1181
198:3568 199:3494 200:5323 201:1577 202:7944 203:8290
204:4061 205:2401 206:2492 207:3106 208:3863 209:3459
210:2545 211:1275 212:1711 213:1658 214:646 215:69
216:4711 217:1521 218:499 219:378 220:1141 221:399
222:318 223:1
End of report