* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 05 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 405694
Prefixes after maximum aggregation: 172575
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 200991
Total ASes present in the Internet Routing Table: 38611
Prefixes per ASN: 10.51
Origin-only ASes present in the Internet Routing Table: 33296
Origin ASes announcing only one prefix: 15695
Transit ASes present in the Internet Routing Table: 5315
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1178
Unregistered ASNs in the Routing Table: 232
Number of 32-bit ASNs allocated by the RIRs: 2794
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6151
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 114
Number of addresses announced to Internet: 2580369920
Equivalent to 153 /8s, 205 /16s and 82 /24s
Percentage of available address space announced: 69.6
Percentage of allocated address space announced: 69.7
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.8
Total number of prefixes smaller than registry allocations: 166960
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94728
Total APNIC prefixes after maximum aggregation: 30994
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92193
Unique aggregates announced from the APNIC address blocks: 40132
APNIC Region origin ASes present in the Internet Routing Table: 4653
APNIC Prefixes per ASN: 19.81
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 716
Average APNIC Region AS path length visible: 4.0
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: 646002688
Equivalent to 38 /8s, 129 /16s and 56 /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, 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: 150342
Total ARIN prefixes after maximum aggregation: 76575
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 121079
Unique aggregates announced from the ARIN address blocks: 51282
ARIN Region origin ASes present in the Internet Routing Table: 15087
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5744
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 816453888
Equivalent to 48 /8s, 170 /16s and 25 /24s
Percentage of available ARIN address space announced: 65.1
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: 103089
Total RIPE prefixes after maximum aggregation: 54616
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 95164
Unique aggregates announced from the RIPE address blocks: 59510
RIPE Region origin ASes present in the Internet Routing Table: 16592
RIPE Prefixes per ASN: 5.74
RIPE Region origin ASes announcing only one prefix: 8068
RIPE Region transit ASes present in the Internet Routing Table: 2593
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: 515259392
Equivalent to 30 /8s, 182 /16s and 60 /24s
Percentage of available RIPE address space announced: 83.0
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,
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: 41186
Total LACNIC prefixes after maximum aggregation: 8156
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 41537
Unique aggregates announced from the LACNIC address blocks: 20643
LACNIC Region origin ASes present in the Internet Routing Table: 1587
LACNIC Prefixes per ASN: 26.17
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 293
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: 101803264
Equivalent to 6 /8s, 17 /16s and 101 /24s
Percentage of available LACNIC address space announced: 67.4
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: 9385
Total AfriNIC prefixes after maximum aggregation: 2170
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 7447
Unique aggregates announced from the AfriNIC address blocks: 2186
AfriNIC Region origin ASes present in the Internet Routing Table: 539
AfriNIC Prefixes per ASN: 13.82
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 31881984
Equivalent to 1 /8s, 230 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 47.5
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 1982 11104 732 Korea Telecom (KIX)
17974 1840 530 81 PT Telekomunikasi Indonesia
7545 1679 301 87 TPG Internet Pty Ltd
4755 1554 384 153 TATA Communications formerly
9829 1298 1085 28 National Internet Backbone
9583 1174 87 501 Sify Limited
7552 1120 1062 11 Vietel Corporation
24560 1026 385 167 Bharti Airtel Ltd., Telemedia
9498 965 291 63 BHARTI Airtel Ltd.
4808 951 1938 283 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 3412 3807 194 BellSouth.net Inc.
7029 3355 1016 171 Windstream Communications Inc
18566 2093 382 181 Covad Communications Co.
1785 1912 680 130 PaeTec Communications, Inc.
20115 1645 1569 615 Charter Communications
22773 1637 2911 121 Cox Communications Inc.
4323 1570 1059 384 tw telecom holdings, inc.
30036 1422 265 752 Mediacom Communications Corp
7018 1230 10064 831 AT&T Services, Inc.
7011 1188 317 681 Frontier Communications of Am
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 1678 544 16 Corbina telecom
2118 1302 97 14 EUnet/RELCOM Autonomous Syste
34984 704 188 171 BILISIM TELEKOM
12479 693 679 71 France Telecom Espana SA
31148 684 37 9 FreeNet ISP
20940 654 218 519 Akamai Technologies European
6830 652 2215 423 UPC Broadband
9116 540 326 31 Goldenlines main autonomous s
8551 505 364 61 Bezeq International
3320 489 8442 402 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 1926 341 204 Types of queries are: POCs, o
28573 1906 1184 48 Types of queries are: POCs, o
6503 1524 418 67 Axtel, S.A.B. de C.V.
7303 1435 901 191 Telecom Argentina S.A.
8151 1338 3047 328 Uninet S.A. de C.V.
26615 902 760 32 Tim Celular S.A.
27947 669 73 94 Telconet S.A
11172 646 107 74 Alestra, S. de R.L. de C.V.
3816 588 247 89 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 1413 958 13 TEDATA
24863 848 274 32 LINKdotNET AS number
6713 497 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 199 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
15706 165 32 6 Sudatel Internet Exchange Aut
16637 161 666 87 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 3412 3807 194 BellSouth.net Inc.
7029 3355 1016 171 Windstream Communications Inc
18566 2093 382 181 Covad Communications Co.
4766 1982 11104 732 Korea Telecom (KIX)
10620 1926 341 204 Types of queries are: POCs, o
1785 1912 680 130 PaeTec Communications, Inc.
28573 1906 1184 48 Types of queries are: POCs, o
17974 1840 530 81 PT Telekomunikasi Indonesia
7545 1679 301 87 TPG Internet Pty Ltd
8402 1678 544 16 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 3355 3184 Windstream Communications Inc
18566 2093 1912 Covad Communications Co.
28573 1906 1858 Types of queries are: POCs, o
1785 1912 1782 PaeTec Communications, Inc.
17974 1840 1759 PT Telekomunikasi Indonesia
10620 1926 1722 Types of queries are: POCs, o
8402 1678 1662 Corbina telecom
7545 1679 1592 TPG Internet Pty Ltd
22773 1637 1516 Cox Communications Inc.
6503 1524 1457 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
41.222.79.0/24 36938 >>UNKNOWN<<
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 /11:82 /12:236
/13:459 /14:830 /15:1499 /16:12244 /17:6269 /18:10534
/19:20685 /20:29349 /21:30648 /22:40254 /23:38145 /24:213848
/25:11 /26:19 /27:19 /28:150 /29:145 /30:77
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2997 3355 Windstream Communications Inc
6389 2130 3412 BellSouth.net Inc.
18566 2042 2093 Covad Communications Co.
8402 1656 1678 Corbina telecom
30036 1362 1422 Mediacom Communications Corp
8452 1214 1413 TEDATA
6503 1213 1524 Axtel, S.A.B. de C.V.
11492 1151 1188 CABLE ONE, INC.
22773 1082 1637 Cox Communications Inc.
7011 1073 1188 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:552 2:714 3:1 4:13 5:40 6:3
8:422 12:1979 13:1 14:609 15:12 16:3
17:5 20:23 23:172 24:1772 27:1273 31:1007
32:51 33:2 34:2 36:9 37:648 38:806
40:123 41:3252 42:135 44:3 46:1434 47:3
49:431 50:551 52:13 54:12 55:13 56:3
57:27 58:910 59:492 60:256 61:1104 62:1015
63:2004 64:4240 65:2249 66:4457 67:2035 68:1155
69:3177 70:933 71:492 72:1819 74:2602 75:493
76:327 77:944 78:979 79:489 80:1220 81:939
82:667 83:544 84:494 85:1181 86:441 87:910
88:345 89:1726 90:293 91:4898 92:541 93:1373
94:1579 95:1174 96:358 97:313 98:886 99:35
100:7 101:255 103:1103 106:95 107:186 108:298
109:1362 110:755 111:914 112:406 113:598 114:622
115:832 116:927 117:703 118:908 119:1198 120:348
121:677 122:1628 123:1095 124:1323 125:1257 128:511
129:189 130:243 131:629 132:283 133:22 134:234
135:61 136:213 137:236 138:358 139:184 140:467
141:251 142:396 143:396 144:537 145:72 146:502
147:287 148:753 149:307 150:157 151:176 152:467
153:172 154:12 155:371 156:218 157:336 158:185
159:500 160:342 161:240 162:344 163:180 164:607
165:403 166:591 167:470 168:859 169:125 170:872
171:136 172:2 173:1761 174:611 175:424 176:545
177:817 178:1398 180:1212 181:88 182:1020 183:227
184:526 185:1 186:2307 187:1117 188:1318 189:1822
190:5559 192:5967 193:5568 194:4525 195:3397 196:1214
197:149 198:3617 199:4696 200:5801 201:1936 202:8315
203:8468 204:4260 205:2513 206:2687 207:2728 208:4054
209:3600 210:2693 211:1525 212:2045 213:1935 214:869
215:97 216:5062 217:1547 218:537 219:306 220:1235
221:554 222:286 223:308
End of report
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