Routing Table Report 04:00 +10GMT Sun 01 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 414341
Prefixes after maximum aggregation: 175469
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202187
Total ASes present in the Internet Routing Table: 41349
Prefixes per ASN: 10.02
Origin-only ASes present in the Internet Routing Table: 33278
Origin ASes announcing only one prefix: 15644
Transit ASes present in the Internet Routing Table: 5535
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 27
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 389
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 2914
Number of 32-bit ASNs visible in the Routing Table: 2536
Prefixes from 32-bit ASNs in the Routing Table: 6535
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2570218924
Equivalent to 153 /8s, 50 /16s and 109 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 143792
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101144
Total APNIC prefixes after maximum aggregation: 32974
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 101590
Unique aggregates announced from the APNIC address blocks: 41935
APNIC Region origin ASes present in the Internet Routing Table: 4706
APNIC Prefixes per ASN: 21.59
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 751
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 240
Number of APNIC addresses announced to Internet: 703251840
Equivalent to 41 /8s, 234 /16s and 197 /24s
Percentage of available APNIC address space announced: 82.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 151810
Total ARIN prefixes after maximum aggregation: 77121
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152758
Unique aggregates announced from the ARIN address blocks: 68263
ARIN Region origin ASes present in the Internet Routing Table: 15147
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5744
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1080331392
Equivalent to 64 /8s, 100 /16s and 140 /24s
Percentage of available ARIN address space announced: 57.2
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 103704
Total RIPE prefixes after maximum aggregation: 54868
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105878
Unique aggregates announced from the RIPE address blocks: 66915
RIPE Region origin ASes present in the Internet Routing Table: 16635
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8057
RIPE Region transit ASes present in the Internet Routing Table: 2679
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1671
Number of RIPE addresses announced to Internet: 633389316
Equivalent to 37 /8s, 192 /16s and 193 /24s
Percentage of available RIPE address space announced: 92.1
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 41683
Total LACNIC prefixes after maximum aggregation: 8289
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 44234
Unique aggregates announced from the LACNIC address blocks: 21639
LACNIC Region origin ASes present in the Internet Routing Table: 1608
LACNIC Prefixes per ASN: 27.51
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 307
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 602
Number of LACNIC addresses announced to Internet: 111623592
Equivalent to 6 /8s, 167 /16s and 61 /24s
Percentage of available LACNIC address space announced: 66.5
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9270
Total AfriNIC prefixes after maximum aggregation: 2163
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 9721
Unique aggregates announced from the AfriNIC address blocks: 3296
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.74
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 6
Number of AfriNIC addresses announced to Internet: 40510208
Equivalent to 2 /8s, 106 /16s and 35 /24s
Percentage of available AfriNIC address space announced: 40.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2700 11118 1203 Korea Telecom (KIX)
17974 1965 541 77 PT TELEKOMUNIKASI INDONESIA
7545 1689 301 87 TPG Internet Pty Ltd
4755 1596 386 154 TATA Communications formerly
9829 1304 1085 28 BSNL National Internet Backbo
4808 1109 2052 314 CNCGROUP IP network: China169
7552 1100 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 971 291 65 BHARTI Airtel Ltd.
18101 946 131 156 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 3394 3790 191 bellsouth.net, inc.
7029 3208 986 157 Windstream Communications Inc
18566 2090 382 180 Covad Communications
1785 1928 681 132 PaeTec Communications, Inc.
22773 1656 2911 121 Cox Communications, Inc.
20115 1651 1573 616 Charter Communications
4323 1575 1043 384 Time Warner Telecom
30036 1447 272 751 Mediacom Communications Corp
7018 1248 10027 816 AT&T WorldNet Services
11492 1190 216 354 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
8402 1624 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 783 731 92 Uni2 Autonomous System
34984 716 189 175 BILISIM TELEKOM
6830 690 2234 438 UPC Distribution Services
31148 689 37 9 FreeNet ISP
20940 663 209 513 Akamai Technologies European
8551 582 364 61 Bezeq International
13188 503 100 10 Educational Network
3320 496 8443 408 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 1983 345 204 TVCABLE BOGOTA
28573 1961 1213 54 NET Servicos de Comunicao S.A
6503 1524 418 66 AVANTEL, S.A.
7303 1455 933 193 Telecom Argentina Stet-France
8151 1373 3066 341 UniNet S.A. de C.V.
27947 707 74 94 Telconet S.A
11172 643 91 74 Servicios Alestra S.A de C.V
3816 591 248 87 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET S.A.
14117 567 65 59 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 1271 958 13 TEDATA
24863 860 274 35 LINKdotNET AS number
6713 500 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 169 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
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 3394 3790 191 bellsouth.net, inc.
7029 3208 986 157 Windstream Communications Inc
4766 2700 11118 1203 Korea Telecom (KIX)
18566 2090 382 180 Covad Communications
10620 1983 345 204 TVCABLE BOGOTA
17974 1965 541 77 PT TELEKOMUNIKASI INDONESIA
28573 1961 1213 54 NET Servicos de Comunicao S.A
1785 1928 681 132 PaeTec Communications, Inc.
7545 1689 301 87 TPG Internet Pty Ltd
22773 1656 2911 121 Cox Communications, Inc.
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 3208 3051 Windstream Communications Inc
18566 2090 1910 Covad Communications
28573 1961 1907 NET Servicos de Comunicao S.A
17974 1965 1888 PT TELEKOMUNIKASI INDONESIA
1785 1928 1796 PaeTec Communications, Inc.
10620 1983 1779 TVCABLE BOGOTA
8402 1624 1608 Corbina telecom
7545 1689 1602 TPG Internet Pty Ltd
22773 1656 1535 Cox Communications, Inc.
4766 2700 1497 Korea Telecom (KIX)
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
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
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
29760 UNALLOCATED 12.145.34.0/23 7018 AT&T WorldNet Servic
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
5.104.104.0/21 24961 fastIT AS for european operat
5.104.144.0/21 21263 TeleData Friedrichshafen GmbH
5.112.0.0/14 44244 Iran Cell Service and Communi
5.116.0.0/14 44244 Iran Cell Service and Communi
5.120.0.0/15 44244 Iran Cell Service and Communi
5.122.0.0/15 44244 Iran Cell Service and Communi
5.124.0.0/17 44244 Iran Cell Service and Communi
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
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 /9:13 /10:28 /11:83 /12:236
/13:464 /14:838 /15:1514 /16:12267 /17:6345 /18:10745
/19:20832 /20:29596 /21:31360 /22:40917 /23:38936 /24:216430
/25:1230 /26:1481 /27:860 /28:42 /29:64 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3208 Windstream Communications Inc
18566 2040 2090 Covad Communications
6389 1870 3394 bellsouth.net, inc.
30036 1384 1447 Mediacom Communications Corp
8402 1322 1624 Corbina telecom
11492 1153 1190 Cable One
22773 1087 1656 Cox Communications, Inc.
6503 1056 1524 AVANTEL, S.A.
1785 1039 1928 PaeTec Communications, Inc.
8452 1032 1271 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:568 2:690 3:1 4:13 5:96 6:3
8:433 12:2004 13:1 14:632 15:12 16:3
17:5 20:24 23:190 24:1791 27:1316 31:997
32:56 33:2 34:2 36:9 37:598 38:813
39:1 40:128 41:3118 42:142 44:3 46:1465
47:2 49:418 50:564 52:13 54:12 55:7
56:1 57:34 58:989 59:500 60:252 61:1230
62:997 63:2033 64:4239 65:2250 66:4469 67:2013
68:1149 69:3196 70:978 71:502 72:1830 74:2589
75:474 76:328 77:953 78:912 79:490 80:1219
81:948 82:669 83:525 84:508 85:1192 86:422
87:933 88:343 89:1736 90:300 91:4980 92:576
93:1369 94:1559 95:1233 96:373 97:318 98:909
99:39 100:18 101:251 103:1218 106:100 107:189
108:351 109:1409 110:781 111:937 112:420 113:629
114:650 115:829 116:929 117:733 118:923 119:1235
120:351 121:695 122:1669 123:1098 124:1395 125:1251
128:534 129:188 130:254 131:635 132:291 133:22
134:245 135:61 136:215 137:236 138:335 139:175
140:492 141:253 142:420 143:372 144:531 145:74
146:507 147:287 148:760 149:318 150:156 151:173
152:478 153:175 154:17 155:433 156:219 157:381
158:191 159:620 160:342 161:269 162:352 163:192
164:588 165:412 166:582 167:476 168:909 169:126
170:868 171:145 172:5 173:1742 174:625 175:430
176:553 177:878 178:1533 180:1267 181:98 182:1012
183:244 184:533 185:1 186:1871 187:1087 188:1344
189:1599 190:5760 192:5992 193:5540 194:4543 195:3436
196:1196 197:166 198:3664 199:4792 200:5928 201:1980
202:8620 203:8615 204:4328 205:2532 206:2800 207:2788
208:4023 209:3612 210:2779 211:1555 212:2028 213:1925
214:831 215:83 216:5111 217:1569 218:554 219:318
220:1239 221:566 222:321 223:353
End of report