Routing Table Report 08:00 +10GMT Tue 26 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407799
Prefixes after maximum aggregation: 173078
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202357
Total ASes present in the Internet Routing Table: 38687
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33345
Origin ASes announcing only one prefix: 15704
Transit ASes present in the Internet Routing Table: 5342
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1126
Unregistered ASNs in the Routing Table: 206
Number of 32-bit ASNs allocated by the RIRs: 2888
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6429
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 268
Number of addresses announced to Internet: 2588356608
Equivalent to 154 /8s, 71 /16s and 48 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
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: 140719
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95177
Total APNIC prefixes after maximum aggregation: 31154
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 96180
Unique aggregates announced from the APNIC address blocks: 41976
APNIC Region origin ASes present in the Internet Routing Table: 4664
APNIC Prefixes per ASN: 20.62
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 724
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 701341952
Equivalent to 41 /8s, 205 /16s and 161 /24s
Percentage of available APNIC address space announced: 82.0
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: 150797
Total ARIN prefixes after maximum aggregation: 76807
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151703
Unique aggregates announced from the ARIN address blocks: 68122
ARIN Region origin ASes present in the Internet Routing Table: 15113
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5749
ARIN Region transit ASes present in the Internet Routing Table: 1516
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1080897280
Equivalent to 64 /8s, 109 /16s and 47 /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: 103560
Total RIPE prefixes after maximum aggregation: 54720
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105684
Unique aggregates announced from the RIPE address blocks: 66842
RIPE Region origin ASes present in the Internet Routing Table: 16611
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8077
RIPE Region transit ASes present in the Internet Routing Table: 2617
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 631827712
Equivalent to 37 /8s, 168 /16s and 237 /24s
Percentage of available RIPE address space announced: 91.9
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: 41670
Total LACNIC prefixes after maximum aggregation: 8171
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 44151
Unique aggregates announced from the LACNIC address blocks: 21875
LACNIC Region origin ASes present in the Internet Routing Table: 1593
LACNIC Prefixes per ASN: 27.72
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 111089408
Equivalent to 6 /8s, 159 /16s and 23 /24s
Percentage of available LACNIC address space announced: 66.2
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: 9367
Total AfriNIC prefixes after maximum aggregation: 2168
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 9812
Unique aggregates announced from the AfriNIC address blocks: 3300
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 40513280
Equivalent to 2 /8s, 106 /16s and 47 /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 1988 11107 758 Korea Telecom (KIX)
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1684 301 87 TPG Internet Pty Ltd
4755 1571 384 151 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1176 89 514 Sify Limited
7552 1057 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 967 291 63 BHARTI Airtel Ltd.
4808 955 1944 284 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3400 3790 192 BellSouth.net Inc.
7029 3252 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1927 681 132 PaeTec Communications, Inc.
22773 1652 2911 121 Cox Communications Inc.
20115 1648 1571 614 Charter Communications
4323 1568 1059 384 tw telecom holdings, inc.
30036 1439 269 763 Mediacom Communications Corp
7018 1232 10046 829 AT&T Services, Inc.
7011 1189 318 683 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1629 544 16 Corbina telecom
2118 1285 97 14 EUnet/RELCOM Autonomous Syste
12479 751 721 93 France Telecom Espana SA
34984 715 189 174 BILISIM TELEKOM
6830 683 2234 435 UPC Broadband
31148 683 37 9 FreeNet ISP
20940 646 211 515 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 505 364 61 Bezeq International
3320 496 8443 408 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1973 343 205 Types of queries are: POCs, o
28573 1955 1211 54 Types of queries are: POCs, o
6503 1520 418 65 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1343 3049 329 Uninet S.A. de C.V.
26615 896 732 33 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 647 107 75 Alestra, S. de R.L. de C.V.
3816 591 248 88 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1276 958 13 TEDATA
24863 857 274 32 LINKdotNET AS number
6713 499 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
16637 160 664 88 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3400 3790 192 BellSouth.net Inc.
7029 3252 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1988 11107 758 Korea Telecom (KIX)
10620 1973 343 205 Types of queries are: POCs, o
28573 1955 1211 54 Types of queries are: POCs, o
1785 1927 681 132 PaeTec Communications, Inc.
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1684 301 87 TPG Internet Pty Ltd
22773 1652 2911 121 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3252 3083 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1955 1901 Types of queries are: POCs, o
1785 1927 1795 PaeTec Communications, Inc.
17974 1858 1778 PT Telekomunikasi Indonesia
10620 1973 1768 Types of queries are: POCs, o
8402 1629 1613 Corbina telecom
7545 1684 1597 TPG Internet Pty Ltd
22773 1652 1531 Cox Communications Inc.
6503 1520 1455 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.64.0/18 42038 VladLink LTD AS
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
27.112.114.0/24 23884 Proimage Engineering and Comm
Complete listing at http://thyme.rand.apnic.net/london/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 /8:20 /9:13 /10:29 /11:83 /12:236
/13:460 /14:830 /15:1508 /16:12238 /17:6328 /18:10617
/19:20669 /20:29387 /21:30898 /22:40352 /23:38409 /24:215178
/25:11 /26:20 /27:18 /28:146 /29:137 /30:80
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2619 3252 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1874 3400 BellSouth.net Inc.
30036 1378 1439 Mediacom Communications Corp
8402 1327 1629 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1084 1652 Cox Communications Inc.
6503 1058 1520 Axtel, S.A.B. de C.V.
8452 1041 1276 TEDATA
1785 1038 1927 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:561 2:690 3:1 4:13 5:62 6:3
8:428 12:1980 13:1 14:627 15:12 16:3
17:5 20:24 23:183 24:1778 27:1307 31:1013
32:51 33:2 34:2 36:9 37:580 38:809
39:1 40:127 41:3154 42:139 44:3 46:1449
47:2 49:415 50:559 52:13 54:12 55:6
56:1 57:39 58:926 59:495 60:253 61:1115
62:1000 63:2033 64:4241 65:2248 66:4454 67:2022
68:1155 69:3188 70:982 71:506 72:1830 74:2604
75:474 76:330 77:944 78:960 79:493 80:1216
81:945 82:659 83:527 84:495 85:1178 86:422
87:936 88:331 89:1714 90:298 91:4966 92:563
93:1393 94:1586 95:1222 96:369 97:316 98:907
99:36 100:17 101:249 103:1185 106:103 107:189
108:325 109:1404 110:771 111:925 112:410 113:614
114:632 115:815 116:928 117:712 118:899 119:1188
120:340 121:675 122:1637 123:1094 124:1332 125:1244
128:528 129:192 130:247 131:628 132:283 133:22
134:234 135:61 136:214 137:232 138:333 139:183
140:468 141:253 142:418 143:370 144:531 145:76
146:503 147:291 148:753 149:314 150:155 151:175
152:471 153:175 154:16 155:453 156:222 157:337
158:190 159:540 160:342 161:245 162:351 163:181
164:635 165:409 166:583 167:475 168:908 169:126
170:882 171:137 172:5 173:1772 174:638 175:409
176:543 177:840 178:1508 180:1250 181:98 182:999
183:229 184:521 185:1 186:2383 187:1138 188:1344
189:1853 190:5618 192:5972 193:5538 194:4542 195:3411
196:1222 197:161 198:3622 199:4754 200:5817 201:1966
202:8405 203:8523 204:4258 205:2511 206:2721 207:2724
208:4035 209:3594 210:2707 211:1529 212:2021 213:1927
214:867 215:82 216:5071 217:1559 218:539 219:304
220:1238 221:553 222:286 223:344
End of report