Routing Table Report 08:00 +10GMT Mon 13 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 390752
Prefixes after maximum aggregation: 167551
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 192336
Total ASes present in the Internet Routing Table: 37992
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 32723
Origin ASes announcing only one prefix: 15546
Transit ASes present in the Internet Routing Table: 5269
Transit-only ASes present in the Internet Routing Table: 132
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: 1116
Unregistered ASNs in the Routing Table: 186
Number of 32-bit ASNs allocated by the RIRs: 2272
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4684
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 143
Number of addresses announced to Internet: 2531871744
Equivalent to 150 /8s, 233 /16s and 76 /24s
Percentage of available address space announced: 68.3
Percentage of allocated address space announced: 68.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 164494
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 92474
Total APNIC prefixes after maximum aggregation: 30206
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 89790
Unique aggregates announced from the APNIC address blocks: 39245
APNIC Region origin ASes present in the Internet Routing Table: 4591
APNIC Prefixes per ASN: 19.56
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 703
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 635768832
Equivalent to 37 /8s, 229 /16s and 16 /24s
Percentage of available APNIC address space announced: 80.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 147008
Total ARIN prefixes after maximum aggregation: 74854
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119211
Unique aggregates announced from the ARIN address blocks: 49399
ARIN Region origin ASes present in the Internet Routing Table: 14848
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5690
ARIN Region transit ASes present in the Internet Routing Table: 1503
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 804488192
Equivalent to 47 /8s, 243 /16s and 132 /24s
Percentage of available ARIN address space announced: 63.9
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, 173/8,
174/8, 184/8, 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: 99013
Total RIPE prefixes after maximum aggregation: 52357
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90815
Unique aggregates announced from the RIPE address blocks: 56094
RIPE Region origin ASes present in the Internet Routing Table: 16308
RIPE Prefixes per ASN: 5.57
RIPE Region origin ASes announcing only one prefix: 8006
RIPE Region transit ASes present in the Internet Routing Table: 2594
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 500721408
Equivalent to 29 /8s, 216 /16s and 103 /24s
Percentage of available RIPE address space announced: 80.7
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 37925
Total LACNIC prefixes after maximum aggregation: 7972
LACNIC Deaggregation factor: 4.76
Prefixes being announced from the LACNIC address blocks: 37694
Unique aggregates announced from the LACNIC address blocks: 19511
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 24.15
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 282
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 96485632
Equivalent to 5 /8s, 192 /16s and 65 /24s
Percentage of available LACNIC address space announced: 63.9
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8935
Total AfriNIC prefixes after maximum aggregation: 2084
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 7001
Unique aggregates announced from the AfriNIC address blocks: 2148
AfriNIC Region origin ASes present in the Internet Routing Table: 507
AfriNIC Prefixes per ASN: 13.81
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 117
Average AfriNIC Region AS path length visible: 3.3
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: 30894848
Equivalent to 1 /8s, 215 /16s and 107 /24s
Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1913 11098 671 Korea Telecom (KIX)
17974 1668 503 36 PT Telekomunikasi Indonesia
7545 1639 303 85 TPG Internet Pty Ltd
4755 1515 385 156 TATA Communications formerly
9829 1172 989 28 National Internet Backbone
9583 1124 83 482 Sify Limited
7552 1079 1062 11 Vietel Corporation
24560 1013 385 167 Bharti Airtel Ltd., Telemedia
4808 977 1946 274 CNCGROUP IP network China169
18101 952 131 156 Reliance Infocom Ltd Internet
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 3442 3807 202 BellSouth.net Inc.
7029 3423 1040 172 Windstream Communications Inc
18566 2093 382 177 Covad Communications Co.
1785 1871 680 124 PaeTec Communications, Inc.
20115 1624 1550 631 Charter Communications
4323 1609 1078 385 tw telecom holdings, inc.
22773 1511 2910 109 Cox Communications Inc.
19262 1385 4687 396 Verizon Online LLC
30036 1384 244 749 Mediacom Communications Corp
7018 1314 7028 857 AT&T Services, 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 1463 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 NEUF CEGETEL (formerly LDCOM
34984 649 188 171 BILISIM TELEKOM
6830 644 1927 413 UPC Broadband
20940 602 195 472 Akamai Technologies European
12479 580 642 53 France Telecom Espana SA
8551 577 360 81 Bezeq International
9116 541 326 32 Goldenlines main autonomous s
31148 538 37 9 FreeNet ISP
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 1751 324 162 Types of queries are: POCs, o
28573 1647 1085 75 Types of queries are: POCs, o
8151 1334 2984 336 Uninet S.A. de C.V.
7303 1263 758 182 Telecom Argentina S.A.
26615 888 668 34 Tim Celular S.A.
11172 633 107 75 Alestra, S. de R.L. de C.V.
27947 629 67 103 Telconet S.A
22047 581 322 17 Types of queries are: POCs, o
3816 552 238 91 Types of queries are: POCs, o
7738 550 1050 31 Telecomunicacoes da Bahia S.A
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 1240 958 13 TEDATA
24863 827 155 41 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
33776 236 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 160 664 85 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 3442 3807 202 BellSouth.net Inc.
7029 3423 1040 172 Windstream Communications Inc
18566 2093 382 177 Covad Communications Co.
4766 1913 11098 671 Korea Telecom (KIX)
1785 1871 680 124 PaeTec Communications, Inc.
10620 1751 324 162 Types of queries are: POCs, o
17974 1668 503 36 PT Telekomunikasi Indonesia
28573 1647 1085 75 Types of queries are: POCs, o
7545 1639 303 85 TPG Internet Pty Ltd
20115 1624 1550 631 Charter Communications
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 3423 3251 Windstream Communications Inc
18566 2093 1916 Covad Communications Co.
1785 1871 1747 PaeTec Communications, Inc.
17974 1668 1632 PT Telekomunikasi Indonesia
10620 1751 1589 Types of queries are: POCs, o
28573 1647 1572 Types of queries are: POCs, o
7545 1639 1554 TPG Internet Pty Ltd
8402 1463 1448 Corbina telecom
22773 1511 1402 Cox Communications Inc.
2118 1385 1372 EUnet/RELCOM Autonomous Syste
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.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
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.
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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
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 /9:12 /10:27 /11:80 /12:232
/13:458 /14:814 /15:1466 /16:12073 /17:6182 /18:10249
/19:20492 /20:28150 /21:28861 /22:39306 /23:36637 /24:205145
/25:11 /26:21 /27:20 /28:153 /29:136 /30:66
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3062 3423 Windstream Communications Inc
6389 2111 3442 BellSouth.net Inc.
18566 2042 2093 Covad Communications Co.
10620 1645 1751 Types of queries are: POCs, o
8402 1442 1463 Corbina telecom
30036 1342 1384 Mediacom Communications Corp
11492 1118 1155 CABLE ONE, INC.
1785 1065 1871 PaeTec Communications, Inc.
8452 1048 1240 TEDATA
15557 1045 1095 NEUF CEGETEL (formerly LDCOM
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:543 4:14 5:1 6:3 8:384
12:1958 13:1 14:591 15:11 16:3 17:7
20:9 23:131 24:1720 27:1180 31:947 32:60
33:2 34:2 36:9 37:177 38:772 40:115
41:3193 42:95 44:3 46:1280 47:3 49:322
50:514 52:13 54:2 55:9 56:3 57:37
58:917 59:481 60:341 61:1090 62:950 63:1999
64:4112 65:2281 66:4415 67:2036 68:1174 69:3159
70:926 71:412 72:1793 74:2652 75:463 76:322
77:972 78:917 79:500 80:1227 81:881 82:573
83:528 84:581 85:1156 86:749 87:921 88:334
89:1545 90:271 91:4484 92:541 93:1334 94:1356
95:1034 96:413 97:310 98:800 99:38 100:4
101:139 103:767 106:64 107:152 108:150 109:1485
110:692 111:845 112:422 113:528 114:597 115:745
116:846 117:706 118:896 119:1231 120:359 121:653
122:1585 123:1069 124:1301 125:1320 128:500 129:182
130:209 131:588 132:163 133:21 134:223 135:60
136:208 137:150 138:286 139:144 140:460 141:262
142:371 143:405 144:516 145:70 146:479 147:242
148:706 149:280 150:158 151:197 152:445 153:170
154:6 155:418 156:208 157:335 158:156 159:442
160:320 161:226 162:338 163:177 164:527 165:392
166:556 167:455 168:747 169:146 170:834 171:112
172:2 173:1730 174:588 175:415 176:503 177:479
178:1253 180:1179 181:65 182:705 183:278 184:424
185:1 186:2039 187:841 188:1024 189:1176 190:5472
192:5938 193:5519 194:4317 195:3391 196:1270 197:165
198:3568 199:4333 200:5618 201:1729 202:8215 203:8536
204:4276 205:2416 206:2650 207:2732 208:4054 209:3546
210:2683 211:1448 212:2051 213:1841 214:853 215:94
216:4973 217:1474 218:537 219:335 220:1221 221:542
222:298 223:297
End of report
