Routing Table Report 04:00 +10GMT Sun 09 Oct, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 375572
Prefixes after maximum aggregation: 169002
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 185445
Total ASes present in the Internet Routing Table: 38980
Prefixes per ASN: 9.63
Origin-only ASes present in the Internet Routing Table: 32291
Origin ASes announcing only one prefix: 15487
Transit ASes present in the Internet Routing Table: 5213
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1658
Unregistered ASNs in the Routing Table: 841
Number of 32-bit ASNs allocated by the RIRs: 1835
Number of 32-bit ASNs visible in the Routing Table: 1476
Prefixes from 32-bit ASNs in the Routing Table: 3380
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 95
Number of addresses announced to Internet: 2483069184
Equivalent to 148 /8s, 0 /16s and 161 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.5
Total number of prefixes smaller than registry allocations: 157124
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94476
Total APNIC prefixes after maximum aggregation: 30810
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 90929
Unique aggregates announced from the APNIC address blocks: 37998
APNIC Region origin ASes present in the Internet Routing Table: 4572
APNIC Prefixes per ASN: 19.89
APNIC Region origin ASes announcing only one prefix: 1252
APNIC Region transit ASes present in the Internet Routing Table: 703
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 90
Number of APNIC addresses announced to Internet: 628487264
Equivalent to 37 /8s, 117 /16s and 244 /24s
Percentage of available APNIC address space announced: 79.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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: 144322
Total ARIN prefixes after maximum aggregation: 74075
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116446
Unique aggregates announced from the ARIN address blocks: 48030
ARIN Region origin ASes present in the Internet Routing Table: 14715
ARIN Prefixes per ASN: 7.91
ARIN Region origin ASes announcing only one prefix: 5666
ARIN Region transit ASes present in the Internet Routing Table: 1556
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804557312
Equivalent to 47 /8s, 244 /16s and 146 /24s
Percentage of available ARIN address space announced: 63.9
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, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 104/8, 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: 90134
Total RIPE prefixes after maximum aggregation: 50527
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 82806
Unique aggregates announced from the RIPE address blocks: 54271
RIPE Region origin ASes present in the Internet Routing Table: 16022
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 7965
RIPE Region transit ASes present in the Internet Routing Table: 2497
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1045
Number of RIPE addresses announced to Internet: 490585216
Equivalent to 29 /8s, 61 /16s and 188 /24s
Percentage of available RIPE address space announced: 79.0
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, 56320-58367
196608-198655
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, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 34895
Total LACNIC prefixes after maximum aggregation: 7849
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 34330
Unique aggregates announced from the LACNIC address blocks: 17992
LACNIC Region origin ASes present in the Internet Routing Table: 1530
LACNIC Prefixes per ASN: 22.44
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 325
Number of LACNIC addresses announced to Internet: 90576512
Equivalent to 5 /8s, 102 /16s and 22 /24s
Percentage of available LACNIC address space announced: 60.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 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: 8195
Total AfriNIC prefixes after maximum aggregation: 1999
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6299
Unique aggregates announced from the AfriNIC address blocks: 1972
AfriNIC Region origin ASes present in the Internet Routing Table: 486
AfriNIC Prefixes per ASN: 12.96
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27734016
Equivalent to 1 /8s, 167 /16s and 48 /24s
Percentage of available AfriNIC address space announced: 41.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2493 11047 956 Korea Telecom (KIX)
17974 1961 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1608 303 85 TPG Internet Pty Ltd
4755 1546 640 173 TATA Communications formerly
7552 1394 1064 7 Vietel Corporation
24560 1180 345 206 Bharti Airtel Ltd., Telemedia
9829 1165 989 28 BSNL National Internet Backbo
9583 1087 80 503 Sify Limited
4808 1074 2096 303 CNCGROUP IP network: China169
18101 952 165 142 Reliance Infocom Ltd Internet
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 3553 3817 222 bellsouth.net, inc.
18566 1915 366 239 Covad Communications
7029 1898 1016 197 Windstream Communications Inc
1785 1830 680 121 PaeTec Communications, Inc.
4323 1627 1083 392 Time Warner Telecom
20115 1592 1541 636 Charter Communications
22773 1458 2907 100 Cox Communications, Inc.
19262 1394 4728 400 Verizon Global Networks
30036 1385 250 676 Mediacom Communications Corp
7018 1338 7049 875 AT&T WorldNet Services
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
8402 1401 352 13 Corbina telecom
6830 635 1890 410 UPC Distribution Services
34984 578 108 180 BILISIM TELEKOM
20940 546 184 420 Akamai Technologies European
3320 503 8169 385 Deutsche Telekom AG
12479 481 593 7 Uni2 Autonomous System
3292 480 2082 407 TDC Tele Danmark
8866 460 133 26 Bulgarian Telecommunication C
29049 424 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International
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
10620 1680 310 154 TVCABLE BOGOTA
8151 1410 2841 345 UniNet S.A. de C.V.
28573 1357 1013 83 NET Servicos de Comunicao S.A
7303 1164 683 175 Telecom Argentina Stet-France
14420 756 59 87 CORPORACION NACIONAL DE TELEC
22047 579 322 17 VTR PUNTO NET S.A.
6503 575 450 69 AVANTEL, S.A.
27947 575 71 83 Telconet S.A
3816 534 232 95 Empresa Nacional de Telecomun
7738 526 1050 31 Telecomunicacoes da Bahia 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
24863 689 146 36 LINKdotNET AS number
8452 498 445 11 TEDATA
15475 445 74 8 Nile Online
36992 298 415 19 Etisalat MISR
3741 277 938 229 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
12258 198 28 58 Vodacom Internet Company
33776 197 13 13 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
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 3553 3817 222 bellsouth.net, inc.
4766 2493 11047 956 Korea Telecom (KIX)
17974 1961 519 33 PT TELEKOMUNIKASI INDONESIA
18566 1915 366 239 Covad Communications
7029 1898 1016 197 Windstream Communications Inc
1785 1830 680 121 PaeTec Communications, Inc.
10620 1680 310 154 TVCABLE BOGOTA
4323 1627 1083 392 Time Warner Telecom
7545 1608 303 85 TPG Internet Pty Ltd
20115 1592 1541 636 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 1961 1928 PT TELEKOMUNIKASI INDONESIA
1785 1830 1709 PaeTec Communications, Inc.
7029 1898 1701 Windstream Communications Inc
18566 1915 1676 Covad Communications
4766 2493 1537 Korea Telecom (KIX)
10620 1680 1526 TVCABLE BOGOTA
7545 1608 1523 TPG Internet Pty Ltd
8402 1401 1388 Corbina telecom
7552 1394 1387 Vietel Corporation
4755 1546 1373 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.8.0/22 47926 Lutsche.net Ltd
128.0.12.0/22 47926 Lutsche.net Ltd
128.0.80.0/24 30977 JSC "Yugra-Telecom"
128.0.81.0/24 30977 JSC "Yugra-Telecom"
128.0.82.0/24 30977 JSC "Yugra-Telecom"
128.0.83.0/24 30977 JSC "Yugra-Telecom"
128.0.84.0/24 30977 JSC "Yugra-Telecom"
128.0.85.0/24 30977 JSC "Yugra-Telecom"
128.0.86.0/24 30977 JSC "Yugra-Telecom"
128.0.87.0/24 30977 JSC "Yugra-Telecom"
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:12 /10:27 /11:81 /12:235
/13:464 /14:805 /15:1422 /16:11997 /17:6003 /18:10037
/19:19867 /20:27194 /21:27219 /22:36737 /23:34823 /24:195302
/25:1113 /26:1318 /27:727 /28:161 /29:4 /30:0
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2190 3553 bellsouth.net, inc.
18566 1871 1915 Covad Communications
7029 1590 1898 Windstream Communications Inc
10620 1575 1680 TVCABLE BOGOTA
8402 1378 1401 Corbina telecom
30036 1347 1385 Mediacom Communications Corp
11492 1115 1153 Cable One
1785 1055 1830 PaeTec Communications, Inc.
7011 1048 1167 Citizens Utilities
22773 947 1458 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:386 2:474 4:15 5:1 6:3 8:357
12:1953 13:1 14:528 15:11 16:3 17:7
20:9 23:55 24:1691 27:965 31:577 32:65
33:4 34:2 36:4 38:750 40:108 41:2511
42:49 44:3 46:997 47:3 49:264 50:442
52:13 55:5 56:2 57:37 58:879 59:490
60:365 61:1172 62:1089 63:1932 64:4049 65:2303
66:4012 67:1962 68:1106 69:3197 70:835 71:378
72:1850 74:2502 75:364 76:339 77:884 78:864
79:476 80:1128 81:828 82:502 83:505 84:624
85:1118 86:404 87:872 88:353 89:1602 90:269
91:4160 92:527 93:1370 94:1298 95:1024 96:437
97:280 98:900 99:37 101:210 103:341 106:70
107:61 108:54 109:1039 110:667 111:795 112:320
113:481 114:574 115:699 116:883 117:711 118:893
119:1252 120:338 121:694 122:1607 123:1020 124:1366
125:1382 128:253 129:176 130:166 131:584 132:121
133:21 134:214 135:54 136:201 137:140 138:288
139:125 140:494 141:292 142:387 143:423 144:492
145:63 146:468 147:215 148:636 149:266 150:151
151:193 152:447 153:179 154:7 155:383 156:208
157:329 158:151 159:467 160:320 161:206 162:337
163:175 164:507 165:368 166:537 167:435 168:744
169:145 170:868 171:86 172:1 173:1672 174:655
175:416 176:256 177:286 178:1004 180:1107 181:37
182:631 183:208 184:365 185:1 186:1514 187:669
188:927 189:855 190:5148 192:5904 193:5023 194:3530
195:3105 196:1238 197:181 198:3625 199:4133 200:5451
201:1636 202:8537 203:8492 204:4297 205:2365 206:2669
207:2824 208:4040 209:3453 210:2693 211:1457 212:2061
213:1796 214:788 215:90 216:4918 217:1604 218:560
219:339 220:1241 221:513 222:342 223:285
End of report