Routing Table Report 08:00 +10GMT Mon 25 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407981
Prefixes after maximum aggregation: 173198
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202342
Total ASes present in the Internet Routing Table: 38689
Prefixes per ASN: 10.55
Origin-only ASes present in the Internet Routing Table: 33360
Origin ASes announcing only one prefix: 15699
Transit ASes present in the Internet Routing Table: 5329
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: 1134
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: 6424
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 267
Number of addresses announced to Internet: 2588224768
Equivalent to 154 /8s, 69 /16s and 45 /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: 140819
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95172
Total APNIC prefixes after maximum aggregation: 31148
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 96197
Unique aggregates announced from the APNIC address blocks: 41956
APNIC Region origin ASes present in the Internet Routing Table: 4668
APNIC Prefixes per ASN: 20.61
APNIC Region origin ASes announcing only one prefix: 1275
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: 701329664
Equivalent to 41 /8s, 205 /16s and 113 /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: 150848
Total ARIN prefixes after maximum aggregation: 76832
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151742
Unique aggregates announced from the ARIN address blocks: 68105
ARIN Region origin ASes present in the Internet Routing Table: 15115
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: 1513
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: 1080867072
Equivalent to 64 /8s, 108 /16s and 185 /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: 103748
Total RIPE prefixes after maximum aggregation: 54799
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105854
Unique aggregates announced from the RIPE address blocks: 66819
RIPE Region origin ASes present in the Internet Routing Table: 16616
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8070
RIPE Region transit ASes present in the Internet Routing Table: 2608
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: 631859712
Equivalent to 37 /8s, 169 /16s and 106 /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: 41623
Total LACNIC prefixes after maximum aggregation: 8206
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44131
Unique aggregates announced from the LACNIC address blocks: 21933
LACNIC Region origin ASes present in the Internet Routing Table: 1592
LACNIC Prefixes per ASN: 27.72
LACNIC Region origin ASes announcing only one prefix: 439
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: 110995456
Equivalent to 6 /8s, 157 /16s and 168 /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: 9335
Total AfriNIC prefixes after maximum aggregation: 2155
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 9789
Unique aggregates announced from the AfriNIC address blocks: 3288
AfriNIC Region origin ASes present in the Internet Routing Table: 544
AfriNIC Prefixes per ASN: 17.99
AfriNIC Region origin ASes announcing only one prefix: 166
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: 40502272
Equivalent to 2 /8s, 106 /16s and 4 /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 1685 301 86 TPG Internet Pty Ltd
4755 1571 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 190 BellSouth.net Inc.
7029 3280 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 1642 1567 616 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 1632 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 511 100 10 Ukraine
8551 502 364 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 1954 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 647 107 75 Alestra, S. de R.L. de C.V.
3816 590 247 91 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 1274 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 3401 3791 190 BellSouth.net Inc.
7029 3280 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 1954 1211 54 Types of queries are: POCs, o
1785 1925 681 132 PaeTec Communications, Inc.
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1685 301 86 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 3280 3111 Windstream Communications Inc
18566 2092 1911 Covad Communications Co.
28573 1954 1900 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 1632 1616 Corbina telecom
7545 1685 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 /16:12243 /17:6328 /18:10613
/19:20678 /20:29435 /21:30888 /22:40349 /23:38425 /24:215270
/25:11 /26:20 /27:19 /28:150 /29:149 /30:84
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2636 3280 Windstream Communications Inc
18566 2041 2092 Covad Communications Co.
6389 1874 3401 BellSouth.net Inc.
30036 1378 1439 Mediacom Communications Corp
8402 1329 1632 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 1039 1274 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 2:689 3:1 4:13 5:44 6:3
8:428 12:1981 13:1 14:621 15:12 16:3
17:5 20:24 23:184 24:1779 27:1307 31:1013
32:51 33:2 34:2 36:9 37:590 38:810
39:1 40:125 41:3146 42:139 44:3 46:1453
47:2 49:415 50:558 52:13 54:12 55:7
56:1 57:39 58:927 59:500 60:253 61:1121
62:998 63:2034 64:4245 65:2250 66:4453 67:2022
68:1155 69:3188 70:981 71:506 72:1830 74:2602
75:477 76:330 77:942 78:965 79:494 80:1223
81:945 82:656 83:526 84:494 85:1179 86:427
87:939 88:330 89:1719 90:298 91:4964 92:573
93:1400 94:1593 95:1213 96:367 97:317 98:907
99:36 100:17 101:249 103:1182 106:103 107:186
108:319 109:1414 110:770 111:923 112:411 113:607
114:634 115:815 116:927 117:711 118:899 119:1196
120:339 121:676 122:1636 123:1094 124:1330 125:1242
128:528 129:192 130:247 131:630 132:280 133:22
134:234 135:61 136:214 137:233 138:334 139:183
140:467 141:252 142:418 143:364 144:531 145:76
146:502 147:291 148:751 149:313 150:155 151:176
152:471 153:175 154:16 155:453 156:222 157:336
158:190 159:544 160:341 161:245 162:351 163:181
164:635 165:409 166:586 167:475 168:909 169:126
170:880 171:137 172:5 173:1775 174:633 175:426
176:546 177:843 178:1526 180:1246 181:98 182:998
183:228 184:518 185:1 186:2374 187:1136 188:1349
189:1855 190:5646 192:5973 193:5542 194:4543 195:3422
196:1224 197:162 198:3620 199:4750 200:5810 201:1964
202:8409 203:8480 204:4260 205:2520 206:2717 207:2726
208:4038 209:3590 210:2716 211:1530 212:2038 213:1928
214:876 215:82 216:5072 217:1567 218:539 219:305
220:1238 221:555 222:285 223:343
End of report