Routing Table Report 04:00 +10GMT Wed 07 Mar, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 399472
Prefixes after maximum aggregation: 170540
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 194314
Total ASes present in the Internet Routing Table: 40273
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32812
Origin ASes announcing only one prefix: 15511
Transit ASes present in the Internet Routing Table: 5417
Transit-only ASes present in the Internet Routing Table: 143
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: 341
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 2310
Number of 32-bit ASNs visible in the Routing Table: 2044
Prefixes from 32-bit ASNs in the Routing Table: 4906
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 487
Number of addresses announced to Internet: 2525070736
Equivalent to 150 /8s, 129 /16s and 133 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 169930
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98014
Total APNIC prefixes after maximum aggregation: 31903
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 94397
Unique aggregates announced from the APNIC address blocks: 39344
APNIC Region origin ASes present in the Internet Routing Table: 4668
APNIC Prefixes per ASN: 20.22
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 742
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 161
Number of APNIC addresses announced to Internet: 640668256
Equivalent to 38 /8s, 47 /16s and 210 /24s
Percentage of available APNIC address space announced: 81.2
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: 148787
Total ARIN prefixes after maximum aggregation: 75609
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120328
Unique aggregates announced from the ARIN address blocks: 49734
ARIN Region origin ASes present in the Internet Routing Table: 14930
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5686
ARIN Region transit ASes present in the Internet Routing Table: 1572
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 806570496
Equivalent to 48 /8s, 19 /16s and 74 /24s
Percentage of available ARIN address space announced: 64.1
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, 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: 100013
Total RIPE prefixes after maximum aggregation: 52741
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 91529
Unique aggregates announced from the RIPE address blocks: 56783
RIPE Region origin ASes present in the Internet Routing Table: 16328
RIPE Prefixes per ASN: 5.61
RIPE Region origin ASes announcing only one prefix: 7982
RIPE Region transit ASes present in the Internet Routing Table: 2618
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: 1395
Number of RIPE addresses announced to Internet: 501583368
Equivalent to 29 /8s, 229 /16s and 142 /24s
Percentage of available RIPE address space announced: 80.8
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: 38842
Total LACNIC prefixes after maximum aggregation: 8090
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38581
Unique aggregates announced from the LACNIC address blocks: 19687
LACNIC Region origin ASes present in the Internet Routing Table: 1573
LACNIC Prefixes per ASN: 24.53
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 469
Number of LACNIC addresses announced to Internet: 97943688
Equivalent to 5 /8s, 214 /16s and 128 /24s
Percentage of available LACNIC address space announced: 64.9
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: 8715
Total AfriNIC prefixes after maximum aggregation: 2086
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6829
Unique aggregates announced from the AfriNIC address blocks: 2163
AfriNIC Region origin ASes present in the Internet Routing Table: 513
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 31546368
Equivalent to 1 /8s, 225 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 47.0
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 2486 11107 988 Korea Telecom (KIX)
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1649 303 88 TPG Internet Pty Ltd
4755 1566 386 157 TATA Communications formerly
9583 1200 91 509 Sify Limited
9829 1183 997 29 BSNL National Internet Backbo
7552 1160 1062 11 Vietel Corporation
4808 1133 2096 324 CNCGROUP IP network: China169
24560 1005 383 166 Bharti Airtel Ltd., Telemedia
18101 949 130 155 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
7029 3418 1014 159 Windstream Communications Inc
6389 3414 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
1785 1878 680 128 PaeTec Communications, Inc.
20115 1634 1555 633 Charter Communications
4323 1608 1059 383 Time Warner Telecom
22773 1542 2910 110 Cox Communications, Inc.
30036 1415 258 757 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1285 9776 843 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 1792 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1089 2184 60 LDCOM NETWORKS
34984 658 188 171 BILISIM TELEKOM
12479 641 645 55 Uni2 Autonomous System
6830 639 1926 410 UPC Distribution Services
20940 634 203 483 Akamai Technologies European
8551 599 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 533 8442 399 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
10620 1761 325 169 TVCABLE BOGOTA
28573 1645 1087 58 NET Servicos de Comunicao S.A
8151 1485 3013 346 UniNet S.A. de C.V.
7303 1322 821 187 Telecom Argentina Stet-France
26615 898 672 33 Tim Brasil S.A.
27947 677 68 109 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 573 418 66 AVANTEL, S.A.
3816 558 240 89 Empresa Nacional de Telecomun
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 1250 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 483 649 18 Itissalat Al-MAGHRIB
3741 276 922 229 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
33776 187 12 16 Starcomms Nigeria Limited
24835 181 80 8 RAYA Telecom - Egypt
36923 157 20 4 Swift Networks Limited
16637 153 641 76 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
7029 3418 1014 159 Windstream Communications Inc
6389 3414 3807 198 bellsouth.net, inc.
4766 2486 11107 988 Korea Telecom (KIX)
18566 2090 382 177 Covad Communications
1785 1878 680 128 PaeTec Communications, Inc.
8402 1792 544 16 Corbina telecom
10620 1761 325 169 TVCABLE BOGOTA
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1649 303 88 TPG Internet Pty Ltd
28573 1645 1087 58 NET Servicos de Comunicao S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3414 3216 bellsouth.net, inc.
18566 2090 1913 Covad Communications
8402 1792 1776 Corbina telecom
1785 1878 1750 PaeTec Communications, Inc.
17974 1731 1695 PT TELEKOMUNIKASI INDONESIA
10620 1761 1592 TVCABLE BOGOTA
28573 1645 1587 NET Servicos de Comunicao S.A
7545 1649 1561 TPG Internet Pty Ltd
4766 2486 1498 Korea Telecom (KIX)
22773 1542 1432 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
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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 18779 Guru.com
23.27.0.0/16 18779 Guru.com
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 /10:28 /11:81 /12:235
/13:458 /14:817 /15:1474 /16:12178 /17:6230 /18:10416
/19:20455 /20:28496 /21:29250 /22:39935 /23:37089 /24:208612
/25:1209 /26:1438 /27:781 /28:169 /29:57 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3073 3418 Windstream Communications Inc
6389 2104 3414 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1770 1792 Corbina telecom
10620 1658 1761 TVCABLE BOGOTA
30036 1364 1415 Mediacom Communications Corp
11492 1124 1161 Cable One
1785 1064 1878 PaeTec Communications, Inc.
8452 1060 1250 TEDATA
7011 1042 1157 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:523 2:742 4:14 6:3 8:392 12:1964
13:1 14:604 15:12 16:3 17:7 20:8
23:140 24:1744 27:1214 31:980 32:62 33:2
34:2 36:9 37:225 38:779 40:117 41:2983
42:121 44:3 46:1389 47:3 49:332 50:512
52:13 54:5 55:10 56:3 57:37 58:971
59:497 60:283 61:1189 62:976 63:2009 64:4114
65:2280 66:4465 67:2032 68:1165 69:3167 70:910
71:409 72:1794 74:2646 75:470 76:320 77:973
78:965 79:480 80:1215 81:886 82:624 83:540
84:587 85:1165 86:724 87:914 88:334 89:1566
90:285 91:4536 92:507 93:1380 94:1370 95:1116
96:421 97:315 98:822 99:38 100:5 101:146
103:867 106:64 107:167 108:205 109:1529 110:729
111:860 112:427 113:531 114:604 115:787 116:870
117:710 118:906 119:1262 120:371 121:686 122:1615
123:1076 124:1340 125:1339 128:538 129:191 130:264
131:591 132:164 133:21 134:235 135:62 136:212
137:185 138:271 139:145 140:490 141:265 142:392
143:416 144:509 145:69 146:486 147:243 148:725
149:300 150:162 151:198 152:448 153:171 154:7
155:429 156:213 157:368 158:162 159:518 160:324
161:245 162:344 163:187 164:530 165:393 166:563
167:461 168:813 169:148 170:840 171:118 172:4
173:1707 174:597 175:420 176:527 177:535 178:1279
180:1192 181:68 182:765 183:282 184:440 185:1
186:2098 187:842 188:1051 189:1199 190:5464 192:5990
193:5566 194:4362 195:3407 196:1269 197:168 198:3628
199:4443 200:5735 201:1745 202:8368 203:8667 204:4358
205:2445 206:2746 207:2798 208:4051 209:3567 210:2759
211:1475 212:1958 213:1881 214:847 215:102 216:5037
217:1524 218:548 219:333 220:1227 221:564 222:323
223:320
End of report
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