* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 20 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407144
Prefixes after maximum aggregation: 173123
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202187
Total ASes present in the Internet Routing Table: 38677
Prefixes per ASN: 10.53
Origin-only ASes present in the Internet Routing Table: 33366
Origin ASes announcing only one prefix: 15686
Transit ASes present in the Internet Routing Table: 5311
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: 1193
Unregistered ASNs in the Routing Table: 235
Number of 32-bit ASNs allocated by the RIRs: 2858
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6331
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 2586478080
Equivalent to 154 /8s, 42 /16s and 134 /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: 140323
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95065
Total APNIC prefixes after maximum aggregation: 31142
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96079
Unique aggregates announced from the APNIC address blocks: 41885
APNIC Region origin ASes present in the Internet Routing Table: 4664
APNIC Prefixes per ASN: 20.60
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 717
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: 701011968
Equivalent to 41 /8s, 200 /16s and 152 /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: 150732
Total ARIN prefixes after maximum aggregation: 76760
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151641
Unique aggregates announced from the ARIN address blocks: 68084
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: 5742
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: 1080376064
Equivalent to 64 /8s, 101 /16s and 59 /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: 103601
Total RIPE prefixes after maximum aggregation: 54774
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105601
Unique aggregates announced from the RIPE address blocks: 66748
RIPE Region origin ASes present in the Internet Routing Table: 16614
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8067
RIPE Region transit ASes present in the Internet Routing Table: 2602
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: 631078912
Equivalent to 37 /8s, 157 /16s and 128 /24s
Percentage of available RIPE address space announced: 91.7
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
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: 41459
Total LACNIC prefixes after maximum aggregation: 8208
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 43918
Unique aggregates announced from the LACNIC address blocks: 21883
LACNIC Region origin ASes present in the Internet Routing Table: 1592
LACNIC Prefixes per ASN: 27.59
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.0
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: 110783744
Equivalent to 6 /8s, 154 /16s and 109 /24s
Percentage of available LACNIC address space announced: 66.0
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: 9119
Total AfriNIC prefixes after maximum aggregation: 2175
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 9564
Unique aggregates announced from the AfriNIC address blocks: 3276
AfriNIC Region origin ASes present in the Internet Routing Table: 547
AfriNIC Prefixes per ASN: 17.48
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 121
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: 40465152
Equivalent to 2 /8s, 105 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 40.2
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 2003 11107 756 Korea Telecom (KIX)
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1683 301 84 TPG Internet Pty Ltd
4755 1569 384 152 TATA Communications formerly
9829 1299 1085 28 National Internet Backbone
9583 1220 95 528 Sify Limited
7552 1047 1062 11 Vietel Corporation
24560 1033 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 3405 3791 192 BellSouth.net Inc.
7029 3338 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 1640 1568 612 Charter Communications
4323 1567 1059 384 tw telecom holdings, inc.
30036 1441 267 747 Mediacom Communications Corp
7018 1232 10046 831 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 1666 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
31148 686 37 9 FreeNet ISP
6830 683 2234 435 UPC Broadband
20940 667 221 528 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 503 364 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 1944 1207 54 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 1346 3049 332 Uninet S.A. de C.V.
26615 899 728 33 Tim Celular S.A.
27947 682 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 1113 958 13 TEDATA
24863 855 274 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 210 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 3405 3791 192 BellSouth.net Inc.
7029 3338 1016 171 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 2003 11107 756 Korea Telecom (KIX)
10620 1966 342 205 Types of queries are: POCs, o
28573 1944 1207 54 Types of queries are: POCs, o
1785 1922 681 132 PaeTec Communications, Inc.
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1683 301 84 TPG Internet Pty Ltd
8402 1666 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 3338 3167 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1944 1890 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 1666 1650 Corbina telecom
7545 1683 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
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
41.188.64.0/18 29544 Mauritanian Telecommunication
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 /15:1502 /16:12235 /17:6305 /18:10586
/19:20680 /20:29406 /21:30850 /22:40335 /23:38325 /24:214672
/25:11 /26:21 /27:20 /28:154 /29:148 /30:82
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2678 3338 Windstream Communications Inc
18566 2040 2091 Covad Communications Co.
6389 1876 3405 BellSouth.net Inc.
8402 1384 1666 Corbina telecom
30036 1381 1441 Mediacom Communications Corp
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)
----------------------------------------------
1:558 2:712 3:1 4:13 5:66 6:3
8:425 12:1978 13:1 14:618 15:12 16:3
17:5 20:24 23:184 24:1776 27:1312 31:1007
32:51 33:2 34:2 36:9 37:577 38:807
40:125 41:3005 42:136 44:3 46:1429 47:2
49:400 50:559 52:13 54:12 55:7 56:1
57:39 58:925 59:496 60:253 61:1115 62:996
63:2035 64:4243 65:2249 66:4452 67:2014 68:1157
69:3178 70:982 71:509 72:1832 74:2599 75:477
76:327 77:942 78:966 79:492 80:1214 81:944
82:662 83:526 84:498 85:1179 86:418 87:939
88:332 89:1721 90:294 91:4952 92:571 93:1416
94:1592 95:1210 96:365 97:316 98:883 99:35
100:17 101:242 103:1161 106:103 107:186 108:318
109:1399 110:770 111:918 112:410 113:607 114:636
115:831 116:924 117:713 118:905 119:1198 120:340
121:673 122:1635 123:1094 124:1331 125:1240 128:508
129:191 130:246 131:629 132:282 133:22 134:234
135:61 136:214 137:236 138:332 139:189 140:468
141:252 142:398 143:384 144:530 145:74 146:499
147:295 148:751 149:313 150:159 151:183 152:470
153:174 154:15 155:462 156:220 157:337 158:188
159:540 160:344 161:244 162:349 163:178 164:630
165:411 166:588 167:473 168:910 169:126 170:884
171:139 172:4 173:1782 174:606 175:425 176:546
177:826 178:1502 180:1257 181:97 182:998 183:229
184:520 185:1 186:2341 187:1119 188:1349 189:1833
190:5604 192:5966 193:5534 194:4540 195:3397 196:1188
197:154 198:3623 199:4737 200:5806 201:1961 202:8389
203:8440 204:4269 205:2514 206:2719 207:2721 208:4029
209:3591 210:2719 211:1529 212:2033 213:1932 214:874
215:87 216:5076 217:1572 218:539 219:305 220:1240
221:555 222:286 223:342
End of report
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