* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 21 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407159
Prefixes after maximum aggregation: 173158
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202281
Total ASes present in the Internet Routing Table: 38681
Prefixes per ASN: 10.53
Origin-only ASes present in the Internet Routing Table: 33369
Origin ASes announcing only one prefix: 15688
Transit ASes present in the Internet Routing Table: 5312
Transit-only ASes present in the Internet Routing Table: 118
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: 1197
Unregistered ASNs in the Routing Table: 237
Number of 32-bit ASNs allocated by the RIRs: 2867
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6359
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 349
Number of addresses announced to Internet: 2587346176
Equivalent to 154 /8s, 55 /16s and 197 /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: 92.9
Total number of prefixes smaller than registry allocations: 140334
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95077
Total APNIC prefixes after maximum aggregation: 31153
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96097
Unique aggregates announced from the APNIC address blocks: 41896
APNIC Region origin ASes present in the Internet Routing Table: 4668
APNIC Prefixes per ASN: 20.59
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 718
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: 701177600
Equivalent to 41 /8s, 203 /16s and 31 /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, 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: 150694
Total ARIN prefixes after maximum aggregation: 76751
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151594
Unique aggregates announced from the ARIN address blocks: 68091
ARIN Region origin ASes present in the Internet Routing Table: 15106
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5741
ARIN Region transit ASes present in the Internet Routing Table: 1515
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: 1080559616
Equivalent to 64 /8s, 104 /16s and 8 /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: 103546
Total RIPE prefixes after maximum aggregation: 54795
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105538
Unique aggregates announced from the RIPE address blocks: 66783
RIPE Region origin ASes present in the Internet Routing Table: 16612
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8068
RIPE Region transit ASes present in the Internet Routing Table: 2600
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 631149312
Equivalent to 37 /8s, 158 /16s and 147 /24s
Percentage of available RIPE address space announced: 91.8
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: 41525
Total LACNIC prefixes after maximum aggregation: 8217
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 44014
Unique aggregates announced from the LACNIC address blocks: 21912
LACNIC Region origin ASes present in the Internet Routing Table: 1592
LACNIC Prefixes per ASN: 27.65
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 3.9
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: 110913536
Equivalent to 6 /8s, 156 /16s and 104 /24s
Percentage of available LACNIC address space announced: 66.1
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: 9122
Total AfriNIC prefixes after maximum aggregation: 2177
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 9566
Unique aggregates announced from the AfriNIC address blocks: 3282
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.46
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 40407552
Equivalent to 2 /8s, 104 /16s and 146 /24s
Percentage of available AfriNIC address space announced: 40.1
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 1997 11107 758 Korea Telecom (KIX)
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1686 301 87 TPG Internet Pty Ltd
4755 1569 384 152 TATA Communications formerly
9829 1293 1085 28 National Internet Backbone
9583 1183 89 509 Sify Limited
7552 1047 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 63 BHARTI Airtel Ltd.
4808 954 1944 285 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 3403 3791 191 BellSouth.net Inc.
7029 3340 1016 171 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1922 681 132 PaeTec Communications, Inc.
22773 1649 2911 121 Cox Communications Inc.
20115 1645 1570 613 Charter Communications
4323 1565 1043 383 tw telecom holdings, inc.
30036 1449 269 742 Mediacom Communications Corp
7018 1235 10046 833 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 1652 544 16 Corbina telecom
2118 1239 97 14 EUnet/RELCOM Autonomous Syste
12479 741 713 90 France Telecom Espana SA
34984 709 188 173 BILISIM TELEKOM
6830 683 2234 435 UPC Broadband
31148 681 37 9 FreeNet ISP
20940 654 216 522 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 502 364 61 Bezeq International
3320 490 8442 403 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 1966 342 205 Types of queries are: POCs, o
28573 1942 1207 55 Types of queries are: POCs, o
6503 1520 418 67 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1343 3049 330 Uninet S.A. de C.V.
26615 903 728 33 Tim Celular S.A.
27947 681 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 587 245 92 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 1095 958 13 TEDATA
24863 856 274 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
29975 167 571 19 Vodacom
16637 160 664 88 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 3403 3791 191 BellSouth.net Inc.
7029 3340 1016 171 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1997 11107 758 Korea Telecom (KIX)
10620 1966 342 205 Types of queries are: POCs, o
28573 1942 1207 55 Types of queries are: POCs, o
1785 1922 681 132 PaeTec Communications, Inc.
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1686 301 87 TPG Internet Pty Ltd
8402 1652 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 3340 3169 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1942 1887 Types of queries are: POCs, o
1785 1922 1790 PaeTec Communications, Inc.
17974 1853 1771 PT Telekomunikasi Indonesia
10620 1966 1761 Types of queries are: POCs, o
8402 1652 1636 Corbina telecom
7545 1686 1599 TPG Internet Pty Ltd
22773 1649 1528 Cox Communications Inc.
6503 1520 1453 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
5.96.0.0/15 3269 Telecom Italia S.p.a.
5.98.0.0/15 3269 Telecom Italia S.p.a.
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
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 /16:12231 /17:6314 /18:10590
/19:20670 /20:29351 /21:30870 /22:40334 /23:38370 /24:214679
/25:11 /26:20 /27:19 /28:153 /29:147 /30:82
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2680 3340 Windstream Communications Inc
18566 2040 2091 Covad Communications Co.
6389 1875 3403 BellSouth.net Inc.
30036 1389 1449 Mediacom Communications Corp
8402 1352 1652 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1081 1649 Cox Communications Inc.
6503 1058 1520 Axtel, S.A.B. de C.V.
1785 1034 1922 PaeTec Communications, Inc.
7011 926 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:557 2:701 3:1 4:13 5:61 6:3
8:426 12:1978 13:1 14:618 15:12 16:3
17:5 20:24 23:182 24:1777 27:1308 31:1007
32:51 33:2 34:2 36:9 37:578 38:808
40:127 41:3009 42:136 44:3 46:1428 47:2
49:399 50:560 52:13 54:12 55:9 56:1
57:39 58:925 59:494 60:253 61:1119 62:998
63:2030 64:4242 65:2250 66:4453 67:2019 68:1157
69:3178 70:981 71:509 72:1831 74:2598 75:477
76:326 77:939 78:965 79:492 80:1214 81:946
82:663 83:527 84:499 85:1176 86:423 87:937
88:331 89:1725 90:294 91:4934 92:569 93:1402
94:1585 95:1217 96:365 97:316 98:870 99:35
100:17 101:240 103:1165 106:103 107:185 108:317
109:1396 110:771 111:919 112:410 113:607 114:636
115:828 116:923 117:710 118:907 119:1199 120:339
121:675 122:1639 123:1094 124:1332 125:1240 128:526
129:192 130:246 131:629 132:283 133:22 134:234
135:61 136:214 137:236 138:334 139:189 140:468
141:257 142:400 143:371 144:531 145:74 146:505
147:295 148:750 149:313 150:157 151:183 152:471
153:174 154:16 155:462 156:221 157:337 158:188
159:543 160:343 161:244 162:349 163:179 164:631
165:411 166:588 167:473 168:910 169:126 170:885
171:139 172:4 173:1786 174:604 175:425 176:546
177:831 178:1512 180:1257 181:97 182:998 183:229
184:515 185:1 186:2355 187:1131 188:1342 189:1842
190:5617 192:5969 193:5536 194:4545 195:3397 196:1204
197:154 198:3622 199:4732 200:5776 201:1964 202:8388
203:8445 204:4264 205:2516 206:2719 207:2722 208:4030
209:3587 210:2716 211:1530 212:2035 213:1931 214:870
215:86 216:5076 217:1571 218:539 219:305 220:1235
221:555 222:286 223:341
End of report
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