Routing Table Report 04:00 +10GMT Fri 09 Mar, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 399886
Prefixes after maximum aggregation: 170759
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 194696
Total ASes present in the Internet Routing Table: 40319
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32832
Origin ASes announcing only one prefix: 15504
Transit ASes present in the Internet Routing Table: 5425
Transit-only ASes present in the Internet Routing Table: 144
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: 367
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 2312
Number of 32-bit ASNs visible in the Routing Table: 2062
Prefixes from 32-bit ASNs in the Routing Table: 4941
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 553
Number of addresses announced to Internet: 2525420944
Equivalent to 150 /8s, 134 /16s and 221 /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: 170037
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98177
Total APNIC prefixes after maximum aggregation: 31960
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 94562
Unique aggregates announced from the APNIC address blocks: 39402
APNIC Region origin ASes present in the Internet Routing Table: 4671
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 741
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: 162
Number of APNIC addresses announced to Internet: 640780896
Equivalent to 38 /8s, 49 /16s and 138 /24s
Percentage of available APNIC address space announced: 81.3
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: 148955
Total ARIN prefixes after maximum aggregation: 75652
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120436
Unique aggregates announced from the ARIN address blocks: 49823
ARIN Region origin ASes present in the Internet Routing Table: 14928
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5674
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: 806467840
Equivalent to 48 /8s, 17 /16s and 185 /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: 99938
Total RIPE prefixes after maximum aggregation: 52821
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91485
Unique aggregates announced from the RIPE address blocks: 56923
RIPE Region origin ASes present in the Internet Routing Table: 16338
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 7986
RIPE Region transit ASes present in the Internet Routing Table: 2623
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: 1406
Number of RIPE addresses announced to Internet: 501635336
Equivalent to 29 /8s, 230 /16s and 89 /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: 38907
Total LACNIC prefixes after maximum aggregation: 8104
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38641
Unique aggregates announced from the LACNIC address blocks: 19697
LACNIC Region origin ASes present in the Internet Routing Table: 1572
LACNIC Prefixes per ASN: 24.58
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 284
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: 475
Number of LACNIC addresses announced to Internet: 97978248
Equivalent to 5 /8s, 215 /16s and 7 /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: 8748
Total AfriNIC prefixes after maximum aggregation: 2101
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6837
Unique aggregates announced from the AfriNIC address blocks: 2165
AfriNIC Region origin ASes present in the Internet Routing Table: 521
AfriNIC Prefixes per ASN: 13.12
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.5
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: 31565824
Equivalent to 1 /8s, 225 /16s and 168 /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 2494 11109 994 Korea Telecom (KIX)
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1648 303 87 TPG Internet Pty Ltd
4755 1568 386 157 TATA Communications formerly
9583 1201 91 508 Sify Limited
9829 1188 1001 30 BSNL National Internet Backbo
7552 1160 1062 11 Vietel Corporation
4808 1093 2048 311 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 3412 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
1785 1880 680 128 PaeTec Communications, Inc.
20115 1634 1555 633 Charter Communications
4323 1608 1059 383 Time Warner Telecom
22773 1545 2910 111 Cox Communications, Inc.
30036 1418 258 757 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1280 9776 841 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 1699 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1087 2184 60 LDCOM NETWORKS
34984 658 188 171 BILISIM TELEKOM
12479 643 648 54 Uni2 Autonomous System
20940 641 206 489 Akamai Technologies European
6830 640 1927 411 UPC Distribution Services
8551 578 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 524 8439 396 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 1763 326 160 TVCABLE BOGOTA
28573 1686 1092 58 NET Servicos de Comunicao S.A
8151 1486 3013 348 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 882 672 33 Tim Brasil S.A.
27947 678 68 110 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 582 322 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 1252 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 182 80 8 RAYA Telecom - Egypt
33776 161 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 153 15 16 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
7029 3418 1014 159 Windstream Communications Inc
6389 3412 3807 198 bellsouth.net, inc.
4766 2494 11109 994 Korea Telecom (KIX)
18566 2090 382 177 Covad Communications
1785 1880 680 128 PaeTec Communications, Inc.
10620 1763 326 160 TVCABLE BOGOTA
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1699 544 16 Corbina telecom
28573 1686 1092 58 NET Servicos de Comunicao S.A
7545 1648 303 87 TPG Internet Pty Ltd
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 3412 3214 bellsouth.net, inc.
18566 2090 1913 Covad Communications
1785 1880 1752 PaeTec Communications, Inc.
17974 1731 1695 PT TELEKOMUNIKASI INDONESIA
8402 1699 1683 Corbina telecom
28573 1686 1628 NET Servicos de Comunicao S.A
10620 1763 1603 TVCABLE BOGOTA
7545 1648 1561 TPG Internet Pty Ltd
4766 2494 1500 Korea Telecom (KIX)
22773 1545 1434 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 54500 EGIHosting
23.27.0.0/16 54500 EGIHosting
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 /14:818 /15:1475 /16:12177 /17:6227 /18:10411
/19:20469 /20:28576 /21:29345 /22:39897 /23:37142 /24:208820
/25:1214 /26:1442 /27:780 /28:169 /29:58 /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 2103 3412 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1677 1699 Corbina telecom
10620 1660 1763 TVCABLE BOGOTA
30036 1367 1418 Mediacom Communications Corp
11492 1125 1162 Cable One
1785 1064 1880 PaeTec Communications, Inc.
8452 1062 1252 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 2:660 4:14 6:3 8:392 12:1963
13:1 14:603 15:12 16:3 17:7 20:8
23:142 24:1746 27:1230 31:961 32:62 33:2
34:2 36:9 37:235 38:779 40:117 41:2986
42:121 44:3 46:1401 47:3 49:337 50:511
52:13 54:5 55:11 56:3 57:38 58:953
59:497 60:283 61:1190 62:977 63:2009 64:4131
65:2279 66:4465 67:2028 68:1158 69:3167 70:919
71:423 72:1830 74:2635 75:469 76:320 77:972
78:964 79:485 80:1207 81:887 82:628 83:538
84:588 85:1163 86:725 87:911 88:334 89:1565
90:285 91:4545 92:515 93:1382 94:1372 95:1119
96:423 97:316 98:829 99:38 100:5 101:145
103:882 106:64 107:171 108:209 109:1534 110:727
111:863 112:436 113:533 114:607 115:772 116:870
117:711 118:906 119:1261 120:372 121:688 122:1625
123:1078 124:1336 125:1339 128:533 129:192 130:260
131:588 132:166 133:21 134:235 135:62 136:212
137:185 138:275 139:145 140:491 141:266 142:390
143:424 144:507 145:69 146:490 147:243 148:724
149:300 150:162 151:197 152:447 153:171 154:7
155:430 156:213 157:370 158:162 159:518 160:327
161:245 162:342 163:186 164:531 165:394 166:565
167:464 168:811 169:148 170:840 171:118 172:4
173:1709 174:600 175:421 176:543 177:540 178:1286
180:1194 181:67 182:767 183:282 184:442 185:1
186:2084 187:847 188:1050 189:1206 190:5492 192:5993
193:5569 194:4365 195:3402 196:1286 197:168 198:3638
199:4445 200:5739 201:1767 202:8366 203:8679 204:4359
205:2453 206:2752 207:2800 208:4045 209:3570 210:2756
211:1476 212:1955 213:1877 214:843 215:103 216:5038
217:1527 218:550 219:333 220:1229 221:564 222:323
223:325
End of report
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