Routing Table Report 04:00 +10GMT Thu 28 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 415257
Prefixes after maximum aggregation: 175346
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202332
Total ASes present in the Internet Routing Table: 41360
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33287
Origin ASes announcing only one prefix: 15656
Transit ASes present in the Internet Routing Table: 5548
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: 28
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 389
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 2898
Number of 32-bit ASNs visible in the Routing Table: 2525
Prefixes from 32-bit ASNs in the Routing Table: 6524
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2570078252
Equivalent to 153 /8s, 48 /16s and 72 /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: 93.0
Total number of prefixes smaller than registry allocations: 144612
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101098
Total APNIC prefixes after maximum aggregation: 32725
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 101546
Unique aggregates announced from the APNIC address blocks: 41885
APNIC Region origin ASes present in the Internet Routing Table: 4709
APNIC Prefixes per ASN: 21.56
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 746
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: 703587200
Equivalent to 41 /8s, 239 /16s and 227 /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: 152142
Total ARIN prefixes after maximum aggregation: 77281
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153102
Unique aggregates announced from the ARIN address blocks: 68271
ARIN Region origin ASes present in the Internet Routing Table: 15176
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5751
ARIN Region transit ASes present in the Internet Routing Table: 1604
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: 1081218432
Equivalent to 64 /8s, 114 /16s and 21 /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: 103564
Total RIPE prefixes after maximum aggregation: 54811
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105727
Unique aggregates announced from the RIPE address blocks: 66801
RIPE Region origin ASes present in the Internet Routing Table: 16623
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8060
RIPE Region transit ASes present in the Internet Routing Table: 2677
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1664
Number of RIPE addresses announced to Internet: 632987524
Equivalent to 37 /8s, 186 /16s and 159 /24s
Percentage of available RIPE address space announced: 92.0
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
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: 42425
Total LACNIC prefixes after maximum aggregation: 8292
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 44962
Unique aggregates announced from the LACNIC address blocks: 21935
LACNIC Region origin ASes present in the Internet Routing Table: 1608
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 435
LACNIC Region transit ASes present in the Internet Routing Table: 307
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 599
Number of LACNIC addresses announced to Internet: 111417512
Equivalent to 6 /8s, 164 /16s and 24 /24s
Percentage of available LACNIC address space announced: 66.4
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: 9308
Total AfriNIC prefixes after maximum aggregation: 2179
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 9760
Unique aggregates announced from the AfriNIC address blocks: 3307
AfriNIC Region origin ASes present in the Internet Routing Table: 549
AfriNIC Prefixes per ASN: 17.78
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 5
Number of AfriNIC addresses announced to Internet: 40514048
Equivalent to 2 /8s, 106 /16s and 50 /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 2691 11117 1195 Korea Telecom (KIX)
17974 1949 533 80 PT TELEKOMUNIKASI INDONESIA
7545 1689 301 87 TPG Internet Pty Ltd
4755 1596 385 153 TATA Communications formerly
9829 1297 1085 28 BSNL National Internet Backbo
9583 1168 87 508 Sify Limited
4808 1107 2052 314 CNCGROUP IP network: China169
7552 1088 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 63 BHARTI Airtel Ltd.
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 3400 3791 190 bellsouth.net, inc.
7029 3201 986 157 Windstream Communications Inc
18566 2090 382 180 Covad Communications
1785 1930 681 132 PaeTec Communications, Inc.
20115 1650 1573 615 Charter Communications
22773 1649 2909 117 Cox Communications, Inc.
4323 1573 1043 384 Time Warner Telecom
30036 1438 269 760 Mediacom Communications Corp
7018 1224 10013 823 AT&T WorldNet Services
7011 1191 319 684 Citizens Utilities
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 1713 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 758 723 95 Uni2 Autonomous System
34984 716 189 175 BILISIM TELEKOM
31148 690 37 9 FreeNet ISP
6830 689 2234 437 UPC Distribution Services
20940 663 209 514 Akamai Technologies European
8551 581 364 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 1981 344 206 TVCABLE BOGOTA
28573 1926 1212 55 NET Servicos de Comunicao S.A
6503 1531 418 65 AVANTEL, S.A.
8151 1489 3068 337 UniNet S.A. de C.V.
7303 1456 933 193 Telecom Argentina Stet-France
26615 896 732 33 Tim Brasil S.A.
27947 705 73 93 Telconet S.A
11172 644 91 74 Servicios Alestra S.A de C.V
3816 588 248 88 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET 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 1272 958 13 TEDATA
24863 790 274 35 LINKdotNET AS number
6713 496 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 261 905 222 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 172 664 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 3400 3791 190 bellsouth.net, inc.
7029 3201 986 157 Windstream Communications Inc
4766 2691 11117 1195 Korea Telecom (KIX)
18566 2090 382 180 Covad Communications
10620 1981 344 206 TVCABLE BOGOTA
17974 1949 533 80 PT TELEKOMUNIKASI INDONESIA
1785 1930 681 132 PaeTec Communications, Inc.
28573 1926 1212 55 NET Servicos de Comunicao S.A
8402 1713 544 16 Corbina telecom
7545 1689 301 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
7029 3201 3044 Windstream Communications Inc
18566 2090 1910 Covad Communications
28573 1926 1871 NET Servicos de Comunicao S.A
17974 1949 1869 PT TELEKOMUNIKASI INDONESIA
1785 1930 1798 PaeTec Communications, Inc.
10620 1981 1775 TVCABLE BOGOTA
8402 1713 1697 Corbina telecom
7545 1689 1602 TPG Internet Pty Ltd
22773 1649 1532 Cox Communications, Inc.
4766 2691 1496 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
5.101.0.0/16 44050 RIPE Network Coordination Cen
5.102.0.0/21 23456 32-bit ASN transition
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
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
/13:462 /14:835 /15:1514 /16:12290 /17:6340 /18:10740
/19:20830 /20:29556 /21:31306 /22:40803 /23:38820 /24:217546
/25:1232 /26:1463 /27:865 /28:170 /29:65 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2613 3201 Windstream Communications Inc
18566 2040 2090 Covad Communications
6389 1873 3400 bellsouth.net, inc.
8402 1409 1713 Corbina telecom
30036 1377 1438 Mediacom Communications Corp
11492 1152 1189 Cable One
22773 1082 1649 Cox Communications, Inc.
6503 1062 1531 AVANTEL, S.A.
1785 1041 1930 PaeTec Communications, Inc.
8452 1036 1272 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:565 2:744 3:1 4:13 5:73 6:3
8:431 12:2018 13:1 14:632 15:12 16:3
17:5 20:24 23:188 24:1785 27:1314 31:992
32:56 33:2 34:2 36:9 37:591 38:815
39:1 40:127 41:3159 42:140 44:3 46:1461
47:2 49:414 50:562 52:13 54:12 55:8
56:1 57:34 58:988 59:500 60:254 61:1226
62:1000 63:2037 64:4249 65:2255 66:4462 67:2021
68:1152 69:3192 70:983 71:503 72:1832 74:2606
75:475 76:332 77:955 78:920 79:490 80:1218
81:949 82:656 83:524 84:495 85:1193 86:421
87:931 88:331 89:1720 90:298 91:4969 92:576
93:1375 94:1590 95:1234 96:374 97:317 98:901
99:39 100:17 101:251 103:1216 106:103 107:189
108:347 109:1435 110:786 111:930 112:420 113:619
114:647 115:821 116:923 117:732 118:901 119:1236
120:351 121:694 122:1672 123:1097 124:1397 125:1260
128:555 129:198 130:251 131:634 132:292 133:22
134:244 135:61 136:216 137:239 138:334 139:183
140:494 141:254 142:436 143:373 144:534 145:76
146:508 147:290 148:770 149:318 150:165 151:175
152:473 153:175 154:17 155:434 156:225 157:381
158:190 159:620 160:343 161:269 162:351 163:192
164:643 165:414 166:581 167:476 168:912 169:126
170:889 171:142 172:5 173:1769 174:632 175:430
176:553 177:867 178:1527 180:1252 181:98 182:1009
183:235 184:523 185:1 186:2388 187:1146 188:1352
189:1866 190:5650 192:6004 193:5535 194:4544 195:3420
196:1219 197:162 198:3674 199:4806 200:5918 201:1975
202:8681 203:8632 204:4339 205:2541 206:2808 207:2792
208:4045 209:3608 210:2777 211:1554 212:2031 213:1927
214:872 215:83 216:5106 217:1568 218:549 219:311
220:1242 221:570 222:317 223:355
End of report