Routing Table Report 08:00 +10GMT Sun 24 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407774
Prefixes after maximum aggregation: 173161
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202243
Total ASes present in the Internet Routing Table: 38686
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33352
Origin ASes announcing only one prefix: 15699
Transit ASes present in the Internet Routing Table: 5334
Transit-only ASes present in the Internet Routing Table: 120
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: 1135
Unregistered ASNs in the Routing Table: 209
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: 6400
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 268
Number of addresses announced to Internet: 2587981056
Equivalent to 154 /8s, 65 /16s and 117 /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: 140734
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95091
Total APNIC prefixes after maximum aggregation: 31181
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96110
Unique aggregates announced from the APNIC address blocks: 41937
APNIC Region origin ASes present in the Internet Routing Table: 4667
APNIC Prefixes per ASN: 20.59
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 722
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: 701299968
Equivalent to 41 /8s, 204 /16s and 253 /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: 150731
Total ARIN prefixes after maximum aggregation: 76767
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151623
Unique aggregates announced from the ARIN address blocks: 68079
ARIN Region origin ASes present in the Internet Routing Table: 15110
ARIN Prefixes per ASN: 10.03
ARIN Region origin ASes announcing only one prefix: 5747
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: 1080686848
Equivalent to 64 /8s, 105 /16s and 249 /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: 103751
Total RIPE prefixes after maximum aggregation: 54785
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105855
Unique aggregates announced from the RIPE address blocks: 66750
RIPE Region origin ASes present in the Internet Routing Table: 16615
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8073
RIPE Region transit ASes present in the Internet Routing Table: 2613
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: 631857152
Equivalent to 37 /8s, 169 /16s and 96 /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: 41653
Total LACNIC prefixes after maximum aggregation: 8210
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44143
Unique aggregates announced from the LACNIC address blocks: 21930
LACNIC Region origin ASes present in the Internet Routing Table: 1594
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 299
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 110980096
Equivalent to 6 /8s, 157 /16s and 108 /24s
Percentage of available LACNIC address space announced: 66.1
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: 9320
Total AfriNIC prefixes after maximum aggregation: 2160
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 9774
Unique aggregates announced from the AfriNIC address blocks: 3305
AfriNIC Region origin ASes present in the Internet Routing Table: 546
AfriNIC Prefixes per ASN: 17.90
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 40485376
Equivalent to 2 /8s, 105 /16s and 194 /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 1998 11107 758 Korea Telecom (KIX)
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1687 301 88 TPG Internet Pty Ltd
4755 1570 384 151 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1174 89 512 Sify Limited
7552 1053 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 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 3401 3791 190 BellSouth.net Inc.
7029 3269 1016 169 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
1785 1925 681 132 PaeTec Communications, Inc.
22773 1652 2911 121 Cox Communications Inc.
20115 1645 1570 613 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.
11492 1189 216 356 CABLE ONE, INC.
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 1663 544 16 Corbina telecom
2118 1255 97 14 EUnet/RELCOM Autonomous Syste
12479 753 721 93 France Telecom Espana SA
34984 712 189 174 BILISIM TELEKOM
31148 686 37 9 FreeNet ISP
6830 683 2234 435 UPC Broadband
20940 650 214 518 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
13188 509 100 10 Ukraine
8551 503 364 61 Bezeq International
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 1966 342 205 Types of queries are: POCs, o
28573 1953 1211 54 Types of queries are: POCs, o
6503 1522 418 67 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1339 3049 331 Uninet S.A. de C.V.
26615 903 728 33 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 589 245 94 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 1275 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
16637 160 664 88 MTN Network Solutions
29571 157 15 16 Ci Telecom Autonomous system
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 3401 3791 190 BellSouth.net Inc.
7029 3269 1016 169 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
4766 1998 11107 758 Korea Telecom (KIX)
10620 1966 342 205 Types of queries are: POCs, o
28573 1953 1211 54 Types of queries are: POCs, o
1785 1925 681 132 PaeTec Communications, Inc.
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1687 301 88 TPG Internet Pty Ltd
8402 1663 544 16 Corbina telecom
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 3269 3100 Windstream Communications Inc
18566 2092 1911 Covad Communications Co.
28573 1953 1899 Types of queries are: POCs, o
1785 1925 1793 PaeTec Communications, Inc.
17974 1858 1778 PT Telekomunikasi Indonesia
10620 1966 1761 Types of queries are: POCs, o
8402 1663 1647 Corbina telecom
7545 1687 1599 TPG Internet Pty Ltd
22773 1652 1531 Cox Communications Inc.
6503 1522 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
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
46.96.0.0/22 31733 Link Telecom PJSC
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 /14:831 /15:1505 /16:12235 /17:6329 /18:10618
/19:20680 /20:29443 /21:30894 /22:40358 /23:38330 /24:215138
/25:11 /26:20 /27:19 /28:148 /29:149 /30:84
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2628 3269 Windstream Communications Inc
18566 2041 2092 Covad Communications Co.
6389 1874 3401 BellSouth.net Inc.
30036 1378 1439 Mediacom Communications Corp
8402 1361 1663 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1084 1652 Cox Communications Inc.
6503 1058 1522 Axtel, S.A.B. de C.V.
8452 1040 1275 TEDATA
1785 1036 1925 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:562 2:707 3:1 4:13 5:44 6:3
8:428 12:1982 13:1 14:618 15:12 16:3
17:5 20:24 23:184 24:1779 27:1309 31:1006
32:51 33:2 34:2 36:9 37:590 38:810
39:1 40:127 41:3140 42:139 44:3 46:1453
47:2 49:415 50:558 52:13 54:12 55:8
56:1 57:39 58:927 59:500 60:253 61:1121
62:998 63:2033 64:4244 65:2248 66:4453 67:2022
68:1155 69:3186 70:981 71:504 72:1830 74:2604
75:474 76:330 77:942 78:969 79:493 80:1220
81:944 82:660 83:527 84:495 85:1178 86:425
87:935 88:326 89:1715 90:298 91:4958 92:574
93:1396 94:1596 95:1219 96:367 97:317 98:896
99:36 100:17 101:248 103:1183 106:103 107:186
108:319 109:1413 110:770 111:923 112:410 113:608
114:634 115:813 116:926 117:711 118:899 119:1196
120:339 121:676 122:1639 123:1094 124:1331 125:1242
128:529 129:192 130:249 131:628 132:282 133:22
134:234 135:61 136:214 137:233 138:333 139:181
140:464 141:252 142:418 143:333 144:512 145:76
146:501 147:291 148:751 149:313 150:157 151:181
152:471 153:175 154:16 155:452 156:222 157:336
158:190 159:544 160:335 161:244 162:350 163:181
164:635 165:409 166:587 167:475 168:908 169:126
170:880 171:137 172:5 173:1775 174:622 175:426
176:546 177:843 178:1528 180:1246 181:98 182:998
183:228 184:520 185:1 186:2371 187:1135 188:1349
189:1856 190:5631 192:5969 193:5547 194:4541 195:3423
196:1223 197:160 198:3621 199:4747 200:5811 201:1957
202:8414 203:8465 204:4262 205:2517 206:2715 207:2728
208:4037 209:3587 210:2717 211:1529 212:2036 213:1928
214:872 215:82 216:5074 217:1566 218:540 219:305
220:1238 221:556 222:285 223:343
End of report