Routing Table Report 04:00 +10GMT Tue 14 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 397542
Prefixes after maximum aggregation: 169593
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192450
Total ASes present in the Internet Routing Table: 40112
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32746
Origin ASes announcing only one prefix: 15524
Transit ASes present in the Internet Routing Table: 5406
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: 329
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 2274
Number of 32-bit ASNs visible in the Routing Table: 1960
Prefixes from 32-bit ASNs in the Routing Table: 4698
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 147
Number of addresses announced to Internet: 2514524624
Equivalent to 149 /8s, 224 /16s and 153 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 168781
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98071
Total APNIC prefixes after maximum aggregation: 31708
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94391
Unique aggregates announced from the APNIC address blocks: 39227
APNIC Region origin ASes present in the Internet Routing Table: 4653
APNIC Prefixes per ASN: 20.29
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 737
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 146
Number of APNIC addresses announced to Internet: 635890720
Equivalent to 37 /8s, 230 /16s and 236 /24s
Percentage of available APNIC address space announced: 80.6
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: 148315
Total ARIN prefixes after maximum aggregation: 75326
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120236
Unique aggregates announced from the ARIN address blocks: 49423
ARIN Region origin ASes present in the Internet Routing Table: 14911
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5691
ARIN Region transit ASes present in the Internet Routing Table: 1574
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: 804499904
Equivalent to 47 /8s, 243 /16s and 177 /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: 98817
Total RIPE prefixes after maximum aggregation: 52399
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90663
Unique aggregates announced from the RIPE address blocks: 56121
RIPE Region origin ASes present in the Internet Routing Table: 16315
RIPE Prefixes per ASN: 5.56
RIPE Region origin ASes announcing only one prefix: 7995
RIPE Region transit ASes present in the Internet Routing Table: 2610
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: 1351
Number of RIPE addresses announced to Internet: 500755272
Equivalent to 29 /8s, 216 /16s and 235 /24s
Percentage of available RIPE address space announced: 80.7
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: 38445
Total LACNIC prefixes after maximum aggregation: 7984
LACNIC Deaggregation factor: 4.82
Prefixes being announced from the LACNIC address blocks: 38081
Unique aggregates announced from the LACNIC address blocks: 19512
LACNIC Region origin ASes present in the Internet Routing Table: 1571
LACNIC Prefixes per ASN: 24.24
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 444
Number of LACNIC addresses announced to Internet: 96541832
Equivalent to 5 /8s, 193 /16s and 28 /24s
Percentage of available LACNIC address space announced: 63.9
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: 9019
Total AfriNIC prefixes after maximum aggregation: 2097
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 7024
Unique aggregates announced from the AfriNIC address blocks: 2158
AfriNIC Region origin ASes present in the Internet Routing Table: 513
AfriNIC Prefixes per ASN: 13.69
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 30894336
Equivalent to 1 /8s, 215 /16s and 105 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2470 11102 982 Korea Telecom (KIX)
17974 1728 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 85 TPG Internet Pty Ltd
4755 1543 385 156 TATA Communications formerly
7552 1409 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
4808 1149 2112 314 CNCGROUP IP network: China169
9583 1124 83 482 Sify Limited
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 155 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
6389 3442 3807 201 bellsouth.net, inc.
7029 3391 1014 159 Windstream Communications Inc
18566 2092 382 177 Covad Communications
1785 1869 680 125 PaeTec Communications, Inc.
20115 1625 1550 631 Charter Communications
4323 1610 1062 385 Time Warner Telecom
22773 1513 2910 110 Cox Communications, Inc.
19262 1388 4703 397 Verizon Global Networks
30036 1385 244 750 Mediacom Communications Corp
7018 1308 6996 849 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 1743 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 651 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 608 195 470 Akamai Technologies European
12479 586 643 54 Uni2 Autonomous System
8551 574 360 81 Bezeq International
31148 538 37 9 FreeNet ISP
3320 533 8450 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 1751 324 162 TVCABLE BOGOTA
28573 1652 1085 69 NET Servicos de Comunicao S.A
8151 1475 3003 342 UniNet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 897 672 33 Tim Brasil S.A.
27947 655 67 105 Telconet S.A
11172 631 91 74 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
3816 556 238 91 Empresa Nacional de Telecomun
7738 550 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
8452 1244 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
3741 276 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 163 664 82 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 3442 3807 201 bellsouth.net, inc.
7029 3391 1014 159 Windstream Communications Inc
4766 2470 11102 982 Korea Telecom (KIX)
18566 2092 382 177 Covad Communications
1785 1869 680 125 PaeTec Communications, Inc.
10620 1751 324 162 TVCABLE BOGOTA
8402 1743 480 15 Corbina telecom
17974 1728 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1652 1085 69 NET Servicos de Comunicao S.A
7545 1642 303 85 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
7029 3391 3232 Windstream Communications Inc
18566 2092 1915 Covad Communications
1785 1869 1744 PaeTec Communications, Inc.
8402 1743 1728 Corbina telecom
17974 1728 1692 PT TELEKOMUNIKASI INDONESIA
10620 1751 1589 TVCABLE BOGOTA
28573 1652 1583 NET Servicos de Comunicao S.A
7545 1642 1557 TPG Internet Pty Ltd
4766 2470 1488 Korea Telecom (KIX)
22773 1513 1403 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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
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 /11:80 /12:231
/13:458 /14:816 /15:1469 /16:12131 /17:6198 /18:10314
/19:20467 /20:28279 /21:29182 /22:39845 /23:36974 /24:207447
/25:1191 /26:1429 /27:760 /28:157 /29:25 /30:13
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3047 3391 Windstream Communications Inc
6389 2112 3442 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1722 1743 Corbina telecom
10620 1645 1751 TVCABLE BOGOTA
30036 1343 1385 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1869 PaeTec Communications, Inc.
8452 1053 1244 TEDATA
15557 1045 1095 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:508 2:719 4:14 5:1 6:3 8:384
12:1961 13:1 14:596 15:11 16:3 17:7
20:9 23:131 24:1728 27:1196 31:945 32:65
33:2 34:2 36:9 37:177 38:778 40:115
41:3202 42:95 43:1 44:3 46:1285 47:3
49:330 50:515 52:13 54:2 55:9 56:3
57:38 58:962 59:494 60:344 61:1196 62:946
63:2004 64:4133 65:2285 66:4430 67:2037 68:1175
69:3160 70:927 71:412 72:1794 74:2652 75:463
76:322 77:980 78:937 79:485 80:1230 81:882
82:569 83:529 84:582 85:1156 86:742 87:921
88:334 89:1551 90:270 91:4474 92:538 93:1333
94:1357 95:1085 96:418 97:310 98:824 99:38
100:4 101:140 103:785 106:65 107:152 108:150
109:1487 110:696 111:849 112:435 113:528 114:602
115:766 116:865 117:726 118:898 119:1252 120:361
121:680 122:1623 123:1075 124:1333 125:1368 128:540
129:190 130:215 131:591 132:164 133:21 134:233
135:60 136:216 137:153 138:286 139:145 140:487
141:262 142:389 143:410 144:519 145:70 146:485
147:235 148:727 149:282 150:163 151:196 152:447
153:170 154:7 155:401 156:211 157:367 158:156
159:515 160:323 161:244 162:341 163:188 164:531
165:389 166:557 167:455 168:758 169:147 170:833
171:112 172:2 173:1730 174:600 175:416 176:511
177:483 178:1255 180:1175 181:65 182:719 183:278
184:425 185:1 186:2047 187:844 188:1029 189:1167
190:5454 192:5981 193:5524 194:4333 195:3399 196:1298
197:165 198:3617 199:4381 200:5712 201:1726 202:8438
203:8625 204:4354 205:2444 206:2734 207:2807 208:4069
209:3567 210:2761 211:1478 212:2038 213:1848 214:858
215:102 216:4998 217:1475 218:550 219:340 220:1252
221:558 222:325 223:313
End of report