Routing Table Report 08:00 +10GMT Tue 12 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357579
Prefixes after maximum aggregation: 162989
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 180022
Total ASes present in the Internet Routing Table: 36714
Prefixes per ASN: 9.74
Origin-only ASes present in the Internet Routing Table: 31669
Origin ASes announcing only one prefix: 15245
Transit ASes present in the Internet Routing Table: 5045
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2321
Unregistered ASNs in the Routing Table: 601
Number of 32-bit ASNs allocated by the RIRs: 1542
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2882
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2493112320
Equivalent to 148 /8s, 153 /16s and 224 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 147559
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85871
Total APNIC prefixes after maximum aggregation: 28939
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 83562
Unique aggregates announced from the APNIC address blocks: 37118
APNIC Region origin ASes present in the Internet Routing Table: 4448
APNIC Prefixes per ASN: 18.79
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 675
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 619805184
Equivalent to 36 /8s, 241 /16s and 122 /24s
Percentage of available APNIC address space announced: 78.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
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: 140201
Total ARIN prefixes after maximum aggregation: 72257
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112435
Unique aggregates announced from the ARIN address blocks: 46672
ARIN Region origin ASes present in the Internet Routing Table: 14380
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5510
ARIN Region transit ASes present in the Internet Routing Table: 1453
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802850048
Equivalent to 47 /8s, 218 /16s and 133 /24s
Percentage of available ARIN address space announced: 63.8
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: 86962
Total RIPE prefixes after maximum aggregation: 49122
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80331
Unique aggregates announced from the RIPE address blocks: 52813
RIPE Region origin ASes present in the Internet Routing Table: 15788
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7881
RIPE Region transit ASes present in the Internet Routing Table: 2483
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478950400
Equivalent to 28 /8s, 140 /16s and 52 /24s
Percentage of available RIPE address space announced: 77.2
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: 32671
Total LACNIC prefixes after maximum aggregation: 7476
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 32149
Unique aggregates announced from the LACNIC address blocks: 16953
LACNIC Region origin ASes present in the Internet Routing Table: 1466
LACNIC Prefixes per ASN: 21.93
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 257
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 85855232
Equivalent to 5 /8s, 30 /16s and 12 /24s
Percentage of available LACNIC address space announced: 56.9
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: 8252
Total AfriNIC prefixes after maximum aggregation: 2011
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6382
Unique aggregates announced from the AfriNIC address blocks: 1947
AfriNIC Region origin ASes present in the Internet Routing Table: 467
AfriNIC Prefixes per ASN: 13.67
AfriNIC Region origin ASes announcing only one prefix: 146
AfriNIC Region transit ASes present in the Internet Routing Table: 102
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: 24324608
Equivalent to 1 /8s, 115 /16s and 42 /24s
Percentage of available AfriNIC address space announced: 36.2
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 1909 11035 632 Korea Telecom (KIX)
17974 1555 461 41 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
4755 1495 375 170 TATA Communications formerly
24560 1154 336 187 Bharti Airtel Ltd., Telemedia
9829 1101 921 47 National Internet Backbone
9583 1060 78 505 Sify Limited
17488 961 186 107 Hathway IP Over Cable Interne
4808 948 2007 276 CNCGROUP IP network China169
18101 933 116 139 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 3602 3819 246 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
19262 1429 4778 392 Verizon Online LLC
7029 1384 1031 208 Windstream Communications Inc
7018 1381 7102 906 AT&T Services, Inc.
22773 1349 2897 88 Cox Communications Inc.
6478 1346 251 618 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
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 184 BILISIM TELEKOM
6830 511 1780 317 UPC Broadband
3292 467 2076 402 TDC Data Networks
20940 459 131 355 Akamai Technologies European
12479 454 593 7 France Telecom Espana SA
8866 447 133 25 Bulgarian Telecommunication C
29049 441 33 45 AzerSat LLC.
3320 421 8151 368 Deutsche Telekom AG
8551 405 355 38 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 1543 282 158 Types of queries are: POCs, o
28573 1254 995 78 Types of queries are: POCs, o
8151 1251 2728 348 Uninet S.A. de C.V.
7303 979 511 165 Telecom Argentina S.A.
6503 731 354 74 Axtel, S.A.B. de C.V.
14420 689 55 83 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 535 230 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 498 54 48 Telconet 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
24863 790 147 34 LINKdotNET AS number
8452 778 445 11 TEDATA
15475 514 74 8 Nile Online
36992 312 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 149 441 87 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 3602 3819 246 BellSouth.net Inc.
23456 2882 700 1543 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1909 11035 632 Korea Telecom (KIX)
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
17974 1555 461 41 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
10620 1543 282 158 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1807 1685 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1555 1514 PT Telekomunikasi Indonesia
7545 1546 1462 TPG Internet Pty Ltd
10620 1543 1385 Types of queries are: POCs, o
23456 2882 1339 32-bit ASN transition
4755 1495 1325 TATA Communications formerly
4766 1909 1277 Korea Telecom (KIX)
22773 1349 1261 Cox Communications Inc.
4323 1656 1255 tw telecom holdings, inc.
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.
26973 UNALLOCATED 12.39.152.0/24 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
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 65535 Internet Assigned Numbers Aut
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
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
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 /8:22 /9:12 /10:28 /11:81 /12:232
/13:468 /14:804 /15:1401 /16:11963 /17:5870 /18:9761
/19:19572 /20:25894 /21:26151 /22:34493 /23:33201 /24:187110
/25:13 /26:20 /27:25 /28:161 /29:107 /30:61
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2213 3602 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1438 1543 Types of queries are: POCs, o
23456 1413 2882 32-bit ASN transition
6478 1316 1346 AT&T Services, Inc.
11492 1093 1139 CABLE ONE, INC.
7029 1064 1384 Windstream Communications Inc
7011 1054 1156 Frontier Communications of Am
1785 1053 1807 PaeTec Communications, Inc.
22773 863 1349 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:324 2:48 4:16 5:1 6:3 8:336
12:1961 13:1 14:472 15:15 16:3 17:5
20:10 23:13 24:1671 27:811 31:488 32:59
33:4 34:2 36:4 38:739 40:103 41:2514
42:32 44:3 46:1027 47:3 49:199 50:442
52:13 54:2 55:5 56:2 57:34 58:816
59:474 60:384 61:1023 62:1043 63:1928 64:3916
65:2293 66:3856 67:1897 68:1085 69:3037 70:751
71:389 72:1881 74:2379 75:315 76:340 77:886
78:708 79:468 80:1114 81:840 82:503 83:460
84:692 85:1078 86:545 87:762 88:337 89:1524
90:223 91:3961 92:536 93:1043 94:1336 95:852
96:441 97:255 98:891 99:37 101:70 103:110
106:10 107:21 108:70 109:1027 110:612 111:707
112:296 113:397 114:546 115:665 116:946 117:661
118:812 119:1138 120:312 121:654 122:1592 123:961
124:1266 125:1223 128:208 129:166 130:162 131:574
132:104 133:21 134:206 135:48 136:214 137:133
138:299 139:114 140:458 141:243 142:388 143:413
144:482 145:54 146:445 147:213 148:610 149:247
150:154 151:189 152:340 153:182 154:3 155:394
156:195 157:324 158:138 159:383 160:311 161:192
162:304 163:154 164:505 165:356 166:529 167:431
168:733 169:152 170:838 171:78 172:1 173:1643
174:610 175:358 176:142 177:176 178:982 180:869
181:23 182:470 183:223 184:343 185:1 186:1276
187:706 188:881 189:943 190:4930 192:5854 193:4975
194:3519 195:3029 196:1235 197:41 198:3518 199:3921
200:5461 201:1483 202:8189 203:8331 204:4145 205:2302
206:2592 207:2740 208:3965 209:3416 210:2602 211:1456
212:2110 213:1730 214:779 215:69 216:4913 217:1623
218:535 219:355 220:1195 221:476 222:313 223:214
End of report
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