Routing Table Report 08:00 +10GMT Sat 23 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407794
Prefixes after maximum aggregation: 173169
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202283
Total ASes present in the Internet Routing Table: 38684
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33347
Origin ASes announcing only one prefix: 15699
Transit ASes present in the Internet Routing Table: 5337
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1140
Unregistered ASNs in the Routing Table: 210
Number of 32-bit ASNs allocated by the RIRs: 2879
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6415
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 269
Number of addresses announced to Internet: 2587897856
Equivalent to 154 /8s, 64 /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: 140661
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95152
Total APNIC prefixes after maximum aggregation: 31163
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96174
Unique aggregates announced from the APNIC address blocks: 41931
APNIC Region origin ASes present in the Internet Routing Table: 4662
APNIC Prefixes per ASN: 20.63
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: 701035008
Equivalent to 41 /8s, 200 /16s and 242 /24s
Percentage of available APNIC address space announced: 81.9
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: 150722
Total ARIN prefixes after maximum aggregation: 76783
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151617
Unique aggregates announced from the ARIN address blocks: 68083
ARIN Region origin ASes present in the Internet Routing Table: 15107
ARIN Prefixes per ASN: 10.04
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: 1080802304
Equivalent to 64 /8s, 107 /16s and 188 /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: 103715
Total RIPE prefixes after maximum aggregation: 54794
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105824
Unique aggregates announced from the RIPE address blocks: 66783
RIPE Region origin ASes present in the Internet Routing Table: 16625
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8076
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: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 631873536
Equivalent to 37 /8s, 169 /16s and 160 /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: 41613
Total LACNIC prefixes after maximum aggregation: 8206
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44115
Unique aggregates announced from the LACNIC address blocks: 21946
LACNIC Region origin ASes present in the Internet Routing Table: 1593
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 302
Average LACNIC Region AS path length visible: 4.0
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: 110991104
Equivalent to 6 /8s, 157 /16s and 151 /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: 9345
Total AfriNIC prefixes after maximum aggregation: 2161
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 9794
Unique aggregates announced from the AfriNIC address blocks: 3297
AfriNIC Region origin ASes present in the Internet Routing Table: 543
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 165
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: 40523264
Equivalent to 2 /8s, 106 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 40.3
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 1686 301 87 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 1034 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 191 BellSouth.net Inc.
7029 3277 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 1567 1059 384 tw telecom holdings, inc.
30036 1438 269 762 Mediacom Communications Corp
7018 1230 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 1609 544 16 Corbina telecom
2118 1255 97 14 EUnet/RELCOM Autonomous Syste
12479 753 721 93 France Telecom Espana SA
34984 710 188 173 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
8551 503 364 61 Bezeq International
3320 490 8442 403 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 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 1342 3049 333 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 93 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 191 BellSouth.net Inc.
7029 3277 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 1686 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 3277 3108 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
7545 1686 1599 TPG Internet Pty Ltd
8402 1609 1593 Corbina telecom
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 /14:830 /15:1505 /16:12242 /17:6322 /18:10618
/19:20683 /20:29448 /21:30909 /22:40377 /23:38390 /24:215057
/25:11 /26:20 /27:18 /28:149 /29:150 /30:84
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2634 3277 Windstream Communications Inc
18566 2041 2092 Covad Communications Co.
6389 1873 3401 BellSouth.net Inc.
30036 1377 1438 Mediacom Communications Corp
8402 1308 1609 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 2:666 3:1 4:13 5:62 6:3
8:428 12:1978 13:1 14:621 15:12 16:3
17:5 20:24 23:184 24:1779 27:1309 31:1006
32:51 33:2 34:2 36:9 37:586 38:809
39:1 40:127 41:3146 42:139 44:3 46:1446
47:2 49:415 50:557 52:13 54:12 55:6
56:1 57:39 58:927 59:499 60:253 61:1123
62:998 63:2034 64:4243 65:2248 66:4450 67:2023
68:1154 69:3187 70:982 71:504 72:1829 74:2603
75:477 76:330 77:942 78:966 79:491 80:1215
81:943 82:660 83:528 84:498 85:1179 86:427
87:941 88:331 89:1723 90:298 91:4956 92:574
93:1402 94:1598 95:1210 96:367 97:317 98:894
99:36 100:17 101:247 103:1174 106:103 107:186
108:320 109:1407 110:771 111:922 112:409 113:608
114:634 115:813 116:927 117:714 118:898 119:1191
120:340 121:676 122:1639 123:1094 124:1334 125:1243
128:527 129:192 130:249 131:629 132:283 133:22
134:234 135:61 136:214 137:236 138:333 139:183
140:466 141:253 142:418 143:365 144:528 145:76
146:502 147:292 148:752 149:313 150:154 151:182
152:468 153:175 154:16 155:435 156:222 157:336
158:190 159:542 160:341 161:244 162:351 163:181
164:635 165:409 166:587 167:475 168:906 169:126
170:885 171:137 172:5 173:1778 174:615 175:427
176:546 177:838 178:1518 180:1248 181:97 182:998
183:230 184:520 185:1 186:2373 187:1135 188:1348
189:1846 190:5613 192:5967 193:5544 194:4543 195:3423
196:1219 197:161 198:3619 199:4746 200:5803 201:1956
202:8405 203:8472 204:4256 205:2512 206:2717 207:2728
208:4036 209:3590 210:2716 211:1529 212:2039 213:1928
214:854 215:81 216:5074 217:1564 218:541 219:305
220:1238 221:556 222:285 223:339
End of report