Routing Table Report 04:00 +10GMT Tue 14 Dec, 2010
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 338197
Prefixes after maximum aggregation: 152809
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 166620
Total ASes present in the Internet Routing Table: 35461
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 30537
Origin ASes announcing only one prefix: 14910
Transit ASes present in the Internet Routing Table: 4924
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 714
Unregistered ASNs in the Routing Table: 340
Number of 32-bit ASNs allocated by the RIRs: 948
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2337353504
Equivalent to 139 /8s, 81 /16s and 47 /24s
Percentage of available address space announced: 63.1
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 86.6
Total number of prefixes smaller than registry allocations: 139153
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 83364
Total APNIC prefixes after maximum aggregation: 28334
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 80319
Unique aggregates announced from the APNIC address blocks: 34986
APNIC Region origin ASes present in the Internet Routing Table: 4272
APNIC Prefixes per ASN: 18.80
APNIC Region origin ASes announcing only one prefix: 1204
APNIC Region transit ASes present in the Internet Routing Table: 691
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 574620960
Equivalent to 34 /8s, 64 /16s and 5 /24s
Percentage of available APNIC address space announced: 77.8
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, 36/8, 42/8, 43/8, 49/8,
58/8, 59/8, 60/8, 61/8, 101/8, 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: 136885
Total ARIN prefixes after maximum aggregation: 69916
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 107847
Unique aggregates announced from the ARIN address blocks: 43902
ARIN Region origin ASes present in the Internet Routing Table: 14059
ARIN Prefixes per ASN: 7.67
ARIN Region origin ASes announcing only one prefix: 5381
ARIN Region transit ASes present in the Internet Routing Table: 1493
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 741889920
Equivalent to 44 /8s, 56 /16s and 87 /24s
Percentage of available ARIN address space announced: 62.3
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, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 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, 100/8,
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: 79151
Total RIPE prefixes after maximum aggregation: 45416
RIPE Deaggregation factor: 1.74
Prefixes being announced from the RIPE address blocks: 72663
Unique aggregates announced from the RIPE address blocks: 47181
RIPE Region origin ASes present in the Internet Routing Table: 15119
RIPE Prefixes per ASN: 4.81
RIPE Region origin ASes announcing only one prefix: 7750
RIPE Region transit ASes present in the Internet Routing Table: 2342
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 450862336
Equivalent to 26 /8s, 223 /16s and 157 /24s
Percentage of available RIPE address space announced: 74.6
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, 5/8, 25/8, 31/8, 37/8, 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: 31049
Total LACNIC prefixes after maximum aggregation: 7125
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 29787
Unique aggregates announced from the LACNIC address blocks: 15462
LACNIC Region origin ASes present in the Internet Routing Table: 1403
LACNIC Prefixes per ASN: 21.23
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 253
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 78557440
Equivalent to 4 /8s, 174 /16s and 177 /24s
Percentage of available LACNIC address space announced: 58.5
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: 7512
Total AfriNIC prefixes after maximum aggregation: 1897
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 5822
Unique aggregates announced from the AfriNIC address blocks: 1767
AfriNIC Region origin ASes present in the Internet Routing Table: 427
AfriNIC Prefixes per ASN: 13.63
AfriNIC Region origin ASes announcing only one prefix: 138
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21633280
Equivalent to 1 /8s, 74 /16s and 25 /24s
Percentage of available AfriNIC address space announced: 43.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1876 9453 520 Korea Telecom (KIX)
7545 1572 299 77 TPG Internet Pty Ltd
4755 1386 637 155 TATA Communications formerly
17974 1336 459 27 PT TELEKOMUNIKASI INDONESIA
24560 1040 312 174 Bharti Airtel Ltd., Telemedia
9583 1039 75 486 Sify Limited
4808 990 1715 271 CNCGROUP IP network: China169
17488 979 158 109 Hathway IP Over Cable Interne
18101 907 116 137 Reliance Infocom Ltd Internet
9829 823 696 31 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3734 3871 268 bellsouth.net, inc.
4323 2641 1077 400 Time Warner Telecom
19262 1834 4869 282 Verizon Global Networks
1785 1786 697 132 PaeTec Communications, Inc.
20115 1513 1531 639 Charter Communications
6478 1428 289 69 AT&T Worldnet Services
7018 1361 5652 873 AT&T WorldNet Services
2386 1308 571 925 AT&T Data Communications Serv
22773 1258 2864 74 Cox Communications, Inc.
11492 1256 234 73 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6830 503 1763 310 UPC Distribution Services
3292 444 2010 386 TDC Tele Danmark
8866 434 133 23 Bulgarian Telecommunication C
34984 422 92 191 BILISIM TELEKOM
9121 420 1690 29 TTnet Autonomous System
9198 414 202 13 Kazakhtelecom Data Network Ad
8551 402 353 46 Bezeq International
702 397 1864 311 UUNET - Commercial IP service
12479 396 577 6 Uni2 Autonomous System
3320 387 7608 340 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1348 2617 367 UniNet S.A. de C.V.
10620 1342 250 155 TVCABLE BOGOTA
28573 1209 932 79 NET Servicos de Comunicao S.A
6503 1174 355 80 AVANTEL, S.A.
7303 828 440 108 Telecom Argentina Stet-France
14420 584 49 88 CORPORACION NACIONAL DE TELEC
22047 563 310 15 VTR PUNTO NET S.A.
3816 492 214 100 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 452 32 30 Telefonica del Sur S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1161 445 10 TEDATA
36992 645 275 155 Etisalat MISR
24863 614 147 39 LINKdotNET AS number
3741 263 986 225 The Internet Solution
6713 203 199 12 Itissalat Al-MAGHRIB
24835 199 62 10 RAYA Telecom - Egypt
29571 199 19 11 Ci Telecom Autonomous system
2018 196 277 64 Tertiary Education Network
33776 184 12 14 Starcomms Nigeria Limited
16637 162 440 89 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3734 3871 268 bellsouth.net, inc.
4323 2641 1077 400 Time Warner Telecom
4766 1876 9453 520 Korea Telecom (KIX)
19262 1834 4869 282 Verizon Global Networks
1785 1786 697 132 PaeTec Communications, Inc.
7545 1572 299 77 TPG Internet Pty Ltd
20115 1513 1531 639 Charter Communications
6478 1428 289 69 AT&T Worldnet Services
4755 1386 637 155 TATA Communications formerly
7018 1361 5652 873 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2641 2241 Time Warner Telecom
1785 1786 1654 PaeTec Communications, Inc.
19262 1834 1552 Verizon Global Networks
7545 1572 1495 TPG Internet Pty Ltd
6478 1428 1359 AT&T Worldnet Services
4766 1876 1356 Korea Telecom (KIX)
17974 1336 1309 PT TELEKOMUNIKASI INDONESIA
4755 1386 1231 TATA Communications formerly
10620 1342 1187 TVCABLE BOGOTA
22773 1258 1184 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic
46164 UNALLOCATED 4.67.104.0/21 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.39.96.0/19 50821 High Performance Data Center
Complete listing at http://thyme.rand.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 /8:20 /9:10 /10:25 /11:70 /12:212
/13:430 /14:751 /15:1340 /16:11358 /17:5517 /18:9195
/19:18644 /20:23898 /21:24224 /22:31764 /23:30676 /24:177258
/25:991 /26:1061 /27:573 /28:158 /29:12 /30:2
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2306 3734 bellsouth.net, inc.
4323 1430 2641 Time Warner Telecom
6478 1385 1428 AT&T Worldnet Services
10620 1234 1342 TVCABLE BOGOTA
11492 1213 1256 Cable One
18566 1072 1091 Covad Communications
7011 1070 1173 Citizens Utilities
1785 1059 1786 PaeTec Communications, Inc.
8452 1048 1161 TEDATA
6503 959 1174 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:132 2:18 4:13 5:1 8:316 12:2032
13:6 14:89 15:17 16:3 17:8 20:9
24:1423 27:487 32:61 33:6 34:2 36:1
37:1 38:715 40:101 41:2684 42:1 44:3
46:369 47:4 49:40 50:18 52:12 55:5
56:2 57:29 58:857 59:500 60:400 61:1103
62:1026 63:1936 64:3719 65:2319 66:4066 67:1758
68:1002 69:2823 70:712 71:389 72:1947 74:2282
75:287 76:319 77:852 78:742 79:436 80:1052
81:798 82:512 83:444 84:632 85:1040 86:496
87:703 88:403 89:1587 90:146 91:3319 92:459
93:1023 94:1123 95:691 96:406 97:246 98:701
99:33 101:3 107:2 108:69 109:798 110:471
111:675 112:310 113:315 114:485 115:645 116:907
117:666 118:608 119:1007 120:198 121:714 122:1572
123:1025 124:1228 125:1213 128:232 129:153 130:170
131:566 132:234 133:20 134:207 135:50 136:212
137:147 138:290 139:108 140:479 141:196 142:351
143:516 144:487 145:54 146:424 147:181 148:641
149:328 150:151 151:230 152:296 153:172 154:3
155:367 156:166 157:338 158:126 159:370 160:314
161:197 162:276 163:160 164:434 165:334 166:469
167:419 168:737 169:151 170:722 171:67 172:2
173:1132 174:469 175:261 176:1 178:624 180:725
182:537 183:241 184:189 186:894 187:769 188:876
189:1011 190:4265 192:5777 193:4799 194:3469 195:2888
196:1193 197:1 198:3532 199:3672 200:5529 201:1584
202:8256 203:8404 204:4048 205:2337 206:2519 207:2963
208:3857 209:3479 210:2542 211:1318 212:1860 213:1699
214:743 215:62 216:4791 217:1618 218:521 219:399
220:1188 221:443 222:341 223:77
End of report
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