Routing Table Report 08:00 +10GMT Thu 16 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 391494
Prefixes after maximum aggregation: 167772
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 192555
Total ASes present in the Internet Routing Table: 37998
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 32730
Origin ASes announcing only one prefix: 15541
Transit ASes present in the Internet Routing Table: 5268
Transit-only ASes present in the Internet Routing Table: 129
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: 1122
Unregistered ASNs in the Routing Table: 188
Number of 32-bit ASNs allocated by the RIRs: 2279
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4714
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2532448768
Equivalent to 150 /8s, 242 /16s and 26 /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: 164949
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 92617
Total APNIC prefixes after maximum aggregation: 30301
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 89914
Unique aggregates announced from the APNIC address blocks: 39304
APNIC Region origin ASes present in the Internet Routing Table: 4602
APNIC Prefixes per ASN: 19.54
APNIC Region origin ASes announcing only one prefix: 1255
APNIC Region transit ASes present in the Internet Routing Table: 705
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: 635890176
Equivalent to 37 /8s, 230 /16s and 234 /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: 147142
Total ARIN prefixes after maximum aggregation: 74881
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 119333
Unique aggregates announced from the ARIN address blocks: 49428
ARIN Region origin ASes present in the Internet Routing Table: 14844
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5678
ARIN Region transit ASes present in the Internet Routing Table: 1501
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: 804925952
Equivalent to 47 /8s, 250 /16s and 50 /24s
Percentage of available ARIN address space announced: 64.0
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: 99385
Total RIPE prefixes after maximum aggregation: 52460
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91099
Unique aggregates announced from the RIPE address blocks: 56134
RIPE Region origin ASes present in the Internet Routing Table: 16304
RIPE Prefixes per ASN: 5.59
RIPE Region origin ASes announcing only one prefix: 8007
RIPE Region transit ASes present in the Internet Routing Table: 2592
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: 500582656
Equivalent to 29 /8s, 214 /16s and 73 /24s
Percentage of available RIPE address space announced: 80.6
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: 37961
Total LACNIC prefixes after maximum aggregation: 7977
LACNIC Deaggregation factor: 4.76
Prefixes being announced from the LACNIC address blocks: 37766
Unique aggregates announced from the LACNIC address blocks: 19530
LACNIC Region origin ASes present in the Internet Routing Table: 1558
LACNIC Prefixes per ASN: 24.24
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 279
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: 96555776
Equivalent to 5 /8s, 193 /16s and 83 /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: 8958
Total AfriNIC prefixes after maximum aggregation: 2070
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 6977
Unique aggregates announced from the AfriNIC address blocks: 2122
AfriNIC Region origin ASes present in the Internet Routing Table: 511
AfriNIC Prefixes per ASN: 13.65
AfriNIC Region origin ASes announcing only one prefix: 161
AfriNIC Region transit ASes present in the Internet Routing Table: 115
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: 30931968
Equivalent to 1 /8s, 215 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 46.1
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 1922 11104 676 Korea Telecom (KIX)
17974 1662 503 36 PT Telekomunikasi Indonesia
7545 1638 303 84 TPG Internet Pty Ltd
4755 1530 385 158 TATA Communications formerly
9829 1181 997 29 National Internet Backbone
9583 1125 84 482 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
4808 972 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 3441 3807 202 BellSouth.net Inc.
7029 3421 1040 172 Windstream Communications Inc
18566 2092 382 177 Covad Communications Co.
1785 1872 680 124 PaeTec Communications, Inc.
20115 1626 1550 630 Charter Communications
4323 1607 1078 384 tw telecom holdings, inc.
22773 1525 2910 110 Cox Communications Inc.
19262 1387 4703 397 Verizon Online LLC
30036 1383 244 753 Mediacom Communications Corp
7018 1316 7029 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 1626 480 15 Corbina telecom
2118 1400 97 13 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 NEUF CEGETEL (formerly LDCOM
34984 650 188 172 BILISIM TELEKOM
6830 644 1927 413 UPC Broadband
20940 603 195 473 Akamai Technologies European
12479 600 643 54 France Telecom Espana SA
8551 579 360 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 1742 323 176 Types of queries are: POCs, o
28573 1664 1085 65 Types of queries are: POCs, o
8151 1330 2984 334 Uninet S.A. de C.V.
7303 1263 758 182 Telecom Argentina S.A.
26615 897 672 33 Tim Celular S.A.
27947 636 67 108 Telconet S.A
11172 632 107 73 Alestra, S. de R.L. de C.V.
22047 581 322 17 Types of queries are: POCs, o
3816 554 238 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 1236 958 13 TEDATA
24863 827 155 41 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
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 3441 3807 202 BellSouth.net Inc.
7029 3421 1040 172 Windstream Communications Inc
18566 2092 382 177 Covad Communications Co.
4766 1922 11104 676 Korea Telecom (KIX)
1785 1872 680 124 PaeTec Communications, Inc.
10620 1742 323 176 Types of queries are: POCs, o
28573 1664 1085 65 Types of queries are: POCs, o
17974 1662 503 36 PT Telekomunikasi Indonesia
7545 1638 303 84 TPG Internet Pty Ltd
8402 1626 480 15 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 3421 3249 Windstream Communications Inc
18566 2092 1915 Covad Communications Co.
1785 1872 1748 PaeTec Communications, Inc.
17974 1662 1626 PT Telekomunikasi Indonesia
8402 1626 1611 Corbina telecom
28573 1664 1599 Types of queries are: POCs, o
10620 1742 1566 Types of queries are: POCs, o
7545 1638 1554 TPG Internet Pty Ltd
22773 1525 1415 Cox Communications Inc.
2118 1400 1387 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
23.27.0.0/16 18779 Guru.com
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
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 /15:1463 /16:12082 /17:6181 /18:10262
/19:20470 /20:28120 /21:28907 /22:39424 /23:36715 /24:205678
/25:11 /26:21 /27:20 /28:152 /29:139 /30:66
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3060 3421 Windstream Communications Inc
6389 2110 3441 BellSouth.net Inc.
18566 2041 2092 Covad Communications Co.
10620 1639 1742 Types of queries are: POCs, o
8402 1605 1626 Corbina telecom
30036 1340 1383 Mediacom Communications Corp
11492 1118 1155 CABLE ONE, INC.
1785 1064 1872 PaeTec Communications, Inc.
8452 1045 1236 TEDATA
15557 1045 1096 NEUF CEGETEL (formerly LDCOM
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:504 2:671 4:14 5:1 6:3 8:384
12:1960 13:1 14:593 15:11 16:3 17:7
20:9 23:135 24:1720 27:1184 31:933 32:60
33:2 34:2 36:9 37:186 38:775 40:115
41:3146 42:96 44:3 46:1292 47:3 49:331
50:500 52:13 54:2 55:10 56:3 57:37
58:919 59:484 60:341 61:1087 62:942 63:2003
64:4113 65:2278 66:4422 67:2035 68:1173 69:3163
70:932 71:412 72:1794 74:2655 75:463 76:321
77:974 78:937 79:481 80:1213 81:881 82:612
83:525 84:581 85:1155 86:748 87:918 88:334
89:1547 90:270 91:4476 92:530 93:1347 94:1381
95:1087 96:413 97:310 98:822 99:38 100:4
101:144 103:771 106:58 107:154 108:152 109:1483
110:696 111:847 112:426 113:526 114:606 115:746
116:853 117:704 118:900 119:1234 120:359 121:652
122:1585 123:1081 124:1293 125:1320 128:495 129:182
130:209 131:588 132:165 133:21 134:223 135:60
136:214 137:179 138:287 139:144 140:465 141:261
142:371 143:403 144:505 145:69 146:478 147:237
148:712 149:280 150:156 151:197 152:445 153:170
154:6 155:416 156:208 157:336 158:160 159:443
160:321 161:227 162:338 163:178 164:527 165:392
166:556 167:456 168:757 169:146 170:834 171:114
172:4 173:1724 174:599 175:419 176:509 177:495
178:1258 180:1176 181:66 182:709 183:279 184:427
185:1 186:2055 187:847 188:1062 189:1175 190:5477
192:5931 193:5540 194:4332 195:3395 196:1274 197:167
198:3568 199:4340 200:5610 201:1732 202:8223 203:8535
204:4287 205:2423 206:2660 207:2721 208:4058 209:3532
210:2689 211:1452 212:2053 213:1839 214:857 215:100
216:5009 217:1480 218:536 219:334 220:1218 221:543
222:298 223:300
End of report