Routing Table Report 04:00 +10GMT Fri 30 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 327073
Prefixes after maximum aggregation: 150526
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 159758
Total ASes present in the Internet Routing Table: 34466
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 29918
Origin ASes announcing only one prefix: 14497
Transit ASes present in the Internet Routing Table: 4548
Transit-only ASes present in the Internet Routing Table: 102
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: 305
Unregistered ASNs in the Routing Table: 112
Number of 32-bit ASNs allocated by the RIRs: 710
Prefixes from 32-bit ASNs in the Routing Table: 872
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2281724864
Equivalent to 136 /8s, 0 /16s and 91 /24s
Percentage of available address space announced: 61.6
Percentage of allocated address space announced: 66.4
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: 155837
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79232
Total APNIC prefixes after maximum aggregation: 27270
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 76159
Unique aggregates announced from the APNIC address blocks: 33602
APNIC Region origin ASes present in the Internet Routing Table: 4136
APNIC Prefixes per ASN: 18.41
APNIC Region origin ASes announcing only one prefix: 1146
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: 536491808
Equivalent to 31 /8s, 250 /16s and 55 /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: 134797
Total ARIN prefixes after maximum aggregation: 69648
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107641
Unique aggregates announced from the ARIN address blocks: 42125
ARIN Region origin ASes present in the Internet Routing Table: 13814
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5292
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: 38
Number of ARIN addresses announced to Internet: 729911072
Equivalent to 43 /8s, 129 /16s and 143 /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: 75202
Total RIPE prefixes after maximum aggregation: 43559
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 68350
Unique aggregates announced from the RIPE address blocks: 44713
RIPE Region origin ASes present in the Internet Routing Table: 14643
RIPE Prefixes per ASN: 4.67
RIPE Region origin ASes announcing only one prefix: 7529
RIPE Region transit ASes present in the Internet Routing Table: 2180
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433534848
Equivalent to 25 /8s, 215 /16s and 55 /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: 29345
Total LACNIC prefixes after maximum aggregation: 6990
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 27850
Unique aggregates announced from the LACNIC address blocks: 14595
LACNIC Region origin ASes present in the Internet Routing Table: 1318
LACNIC Prefixes per ASN: 21.13
LACNIC Region origin ASes announcing only one prefix: 409
LACNIC Region transit ASes present in the Internet Routing Table: 234
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75897856
Equivalent to 4 /8s, 134 /16s and 28 /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: 7376
Total AfriNIC prefixes after maximum aggregation: 1883
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5659
Unique aggregates announced from the AfriNIC address blocks: 1625
AfriNIC Region origin ASes present in the Internet Routing Table: 385
AfriNIC Prefixes per ASN: 14.70
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 87
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19916288
Equivalent to 1 /8s, 47 /16s and 230 /24s
Percentage of available AfriNIC address space announced: 59.4
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 1469 298 158 TATA Communications formerly
7545 1371 234 88 TPG Internet Pty Ltd
17488 1343 151 126 Hathway IP Over Cable Interne
17974 1182 287 59 PT TELEKOMUNIKASI INDONESIA
9583 1003 74 486 Sify Limited
24560 991 305 182 Bharti Airtel Ltd., Telemedia
4808 832 1583 224 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 3881 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 1475 5733 960 AT&T WorldNet Services
2386 1286 554 908 AT&T Data Communications Serv
6478 1263 253 183 AT&T Worldnet Services
22773 1174 2858 61 Cox Communications, Inc.
3356 1163 10878 402 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 655 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
702 412 1853 324 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 3048 248 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1029 818 100 NET Servicos de Comunicao S.A
7303 776 396 104 Telecom Argentina Stet-France
6503 720 178 223 AVANTEL, S.A.
22047 555 310 15 VTR PUNTO NET S.A.
14420 543 34 74 CORPORACION NACIONAL DE TELEC
3816 495 212 89 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 726 147 39 LINKdotNET AS number
36992 654 279 185 Etisalat MISR
3741 270 898 232 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 213 277 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 140 440 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 3881 3716 284 bellsouth.net, inc.
4323 2735 1112 396 Time Warner Telecom
19262 1946 4567 278 Verizon Global Networks
4766 1856 8409 488 Korea Telecom (KIX)
1785 1782 698 129 PaeTec Communications, Inc.
8151 1527 3048 248 UniNet S.A. de C.V.
20115 1488 1522 653 Charter Communications
7018 1475 5733 960 AT&T WorldNet Services
4755 1469 298 158 TATA Communications formerly
7545 1371 234 88 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 2735 2339 Time Warner Telecom
19262 1946 1668 Verizon Global Networks
1785 1782 1653 PaeTec Communications, Inc.
4766 1856 1368 Korea Telecom (KIX)
4755 1469 1311 TATA Communications formerly
7545 1371 1283 TPG Internet Pty Ltd
8151 1527 1279 UniNet S.A. de C.V.
17488 1343 1217 Hathway IP Over Cable Interne
8452 1177 1167 TEDATA
17974 1182 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
/13:410 /14:711 /15:1297 /16:11191 /17:5372 /18:9177
/19:18496 /20:23146 /21:23146 /22:30141 /23:29798 /24:170710
/25:1049 /26:1190 /27:739 /28:119 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2485 3881 bellsouth.net, inc.
4766 1486 1856 Korea Telecom (KIX)
4323 1399 2735 Time Warner Telecom
1785 1244 1782 PaeTec Communications, Inc.
17488 1085 1343 Hathway IP Over Cable Interne
11492 1069 1160 Cable One
18566 1069 1088 Covad Communications
8452 1066 1177 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)
----------------------------------------------
1:38 2:2 4:13 8:292 12:2018 13:7
14:1 15:21 16:3 17:8 20:6 24:1436
27:271 31:1 32:59 33:12 38:686 40:98
41:2468 44:3 46:17 47:16 52:9 55:6
56:2 57:28 58:771 59:508 60:462 61:1070
62:1036 63:1968 64:3702 65:2348 66:4051 67:1827
68:1095 69:2724 70:705 71:445 72:1944 73:2
74:2286 75:255 76:323 77:900 78:617 79:426
80:998 81:774 82:494 83:450 84:682 85:1043
86:467 87:685 88:340 89:1562 90:96 91:2897
92:509 93:1008 94:1407 95:663 96:529 97:210
98:614 99:33 100:1 108:105 109:585 110:434
111:535 112:273 113:314 114:434 115:574 116:1088
117:655 118:478 119:889 120:136 121:728 122:1515
123:952 124:1114 125:1316 128:226 129:163 130:195
131:558 132:247 133:16 134:196 135:45 136:240
137:135 138:266 139:104 140:481 141:196 142:340
143:371 144:468 145:51 146:448 147:170 148:674
149:301 150:154 151:228 152:297 153:168 154:2
155:356 156:160 157:324 158:110 159:360 160:315
161:182 162:255 163:174 164:409 165:367 166:461
167:413 168:645 169:157 170:717 171:59 172:2
173:955 174:505 175:160 176:1 178:324 180:475
182:163 183:244 184:119 186:528 187:409 188:1039
189:769 190:3870 192:5745 193:4721 194:3404 195:2817
196:1185 198:3572 199:3489 200:5353 201:1577 202:7941
203:8292 204:4042 205:2404 206:2505 207:3078 208:3866
209:3465 210:2545 211:1292 212:1711 213:1661 214:646
215:69 216:4729 217:1524 218:499 219:378 220:1143
221:399 222:317 223:1
End of report