* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 10 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442570
Prefixes after maximum aggregation: 181944
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221446
Total ASes present in the Internet Routing Table: 40067
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 34441
Origin ASes announcing only one prefix: 16067
Transit ASes present in the Internet Routing Table: 5618
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 958
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 4704
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9979
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 239
Number of addresses announced to Internet: 2650024192
Equivalent to 157 /8s, 244 /16s and 41 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 154879
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102393
Total APNIC prefixes after maximum aggregation: 31944
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104230
Unique aggregates announced from the APNIC address blocks: 44439
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.85
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 787
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719161856
Equivalent to 42 /8s, 221 /16s and 138 /24s
Percentage of available APNIC address space announced: 84.0
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: 156131
Total ARIN prefixes after maximum aggregation: 79058
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156843
Unique aggregates announced from the ARIN address blocks: 72364
ARIN Region origin ASes present in the Internet Routing Table: 15544
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5927
ARIN Region transit ASes present in the Internet Routing Table: 1547
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: 2
Number of ARIN addresses announced to Internet: 1079116032
Equivalent to 64 /8s, 82 /16s and 1 /24s
Percentage of available ARIN address space announced: 57.1
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, 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: 115907
Total RIPE prefixes after maximum aggregation: 59171
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119376
Unique aggregates announced from the RIPE address blocks: 76532
RIPE Region origin ASes present in the Internet Routing Table: 17106
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2753
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656314880
Equivalent to 39 /8s, 30 /16s and 146 /24s
Percentage of available RIPE address space announced: 95.4
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: 47153
Total LACNIC prefixes after maximum aggregation: 9239
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 51030
Unique aggregates announced from the LACNIC address blocks: 24040
LACNIC Region origin ASes present in the Internet Routing Table: 1873
LACNIC Prefixes per ASN: 27.25
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 343
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 126387200
Equivalent to 7 /8s, 136 /16s and 132 /24s
Percentage of available LACNIC address space announced: 75.3
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: 10241
Total AfriNIC prefixes after maximum aggregation: 2484
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 10851
Unique aggregates announced from the AfriNIC address blocks: 3846
AfriNIC Region origin ASes present in the Internet Routing Table: 612
AfriNIC Prefixes per ASN: 17.73
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46297856
Equivalent to 2 /8s, 194 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 46.0
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
17974 2509 840 86 PT Telekomunikasi Indonesia
4766 2146 11551 628 Korea Telecom (KIX)
7545 1863 302 95 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1509 1205 40 National Internet Backbone
9583 1256 96 530 Sify Limited
7552 1116 1066 12 Vietel Corporation
9498 1062 308 69 BHARTI Airtel Ltd.
24560 1062 353 162 Bharti Airtel Ltd., Telemedia
4808 1023 2003 298 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 3038 3694 88 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2011 2929 125 Cox Communications Inc.
1785 1974 677 123 PaeTec Communications, Inc.
20115 1667 1610 609 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1336 296 659 Mediacom Communications Corp
7018 1329 10840 870 AT&T Services, Inc.
11492 1216 223 331 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 1782 544 16 Corbina telecom
34984 1138 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 France Telecom Espana SA
13188 835 99 36 Ukraine
20940 813 286 648 Akamai Technologies European
8551 796 369 50 Bezeq International
31148 792 41 21 FreeNet ISP
6830 753 2318 443 UPC Broadband
58113 666 74 386 LIR DATACENTER TELECOM SRL
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
28573 2590 1433 98 Types of queries are: POCs, o
10620 2360 409 223 Types of queries are: POCs, o
7303 1674 1153 211 Telecom Argentina S.A.
8151 1212 2680 397 Uninet S.A. de C.V.
14754 1138 153 37 Telgua
6503 1135 435 70 Axtel, S.A.B. de C.V.
18881 850 716 18 Global Village Telecom
27947 777 88 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 698 307 87 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
36998 1137 80 4 MOBITEL
24863 679 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 358 956 9 TEDATA
24835 276 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 209 11 7 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 184 12 21 Starcomms Nigeria Limited
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 3038 3694 88 BellSouth.net Inc.
28573 2590 1433 98 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2360 409 223 Types of queries are: POCs, o
4766 2146 11551 628 Korea Telecom (KIX)
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2011 2929 125 Cox Communications Inc.
1785 1974 677 123 PaeTec Communications, Inc.
7545 1863 302 95 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2590 2492 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2360 2137 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
22773 2011 1886 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1974 1851 PaeTec Communications, Inc.
7545 1863 1768 TPG Internet Pty Ltd
8402 1782 1766 Corbina telecom
4766 2146 1518 Korea Telecom (KIX)
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.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7018 AT&T Services, Inc.
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:30 /11:88 /12:249
/13:483 /14:882 /15:1558 /16:12635 /17:6627 /18:10883
/19:21744 /20:31810 /21:33613 /22:45994 /23:41323 /24:234016
/25:9 /26:11 /27:12 /28:142 /29:193 /30:104
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1578 2118 Windstream Communications Inc
8402 1483 1782 Corbina telecom
22773 1316 2011 Cox Communications Inc.
30036 1213 1336 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 931 1042 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:723 2:768 3:3 4:12 5:848 6:4
8:515 12:1917 13:3 14:750 15:11 16:3
17:9 20:19 23:253 24:1769 27:1441 31:1208
32:37 33:2 34:5 36:41 37:1676 38:856
39:2 40:164 41:2736 42:184 44:6 46:1762
47:2 49:623 50:669 52:12 54:29 55:8
57:30 58:1025 59:582 60:299 61:1432 62:1006
63:2034 64:4284 65:2178 66:4279 67:2062 68:1118
69:3243 70:875 71:523 72:1899 74:2555 75:411
76:289 77:1095 78:1036 79:585 80:1231 81:978
82:620 83:574 84:572 85:1155 86:465 87:959
88:524 89:1764 90:281 91:5473 92:616 93:1702
94:1872 95:1536 96:503 97:340 98:1049 99:38
100:28 101:309 103:2373 105:488 106:127 107:207
108:497 109:1817 110:854 111:1044 112:487 113:767
114:662 115:1000 116:860 117:782 118:1012 119:1221
120:376 121:805 122:1685 123:1185 124:1298 125:1324
128:597 129:197 130:319 131:648 132:324 133:147
134:248 135:62 136:220 137:243 138:345 139:183
140:172 141:302 142:523 143:369 144:484 145:93
146:500 147:378 148:685 149:363 150:155 151:524
152:414 153:194 154:43 155:387 156:256 157:344
158:271 159:630 160:337 161:400 162:368 163:190
164:573 165:444 166:329 167:579 168:1016 169:132
170:1022 171:173 172:4 173:1586 174:579 175:444
176:1151 177:1846 178:1773 179:2 180:1378 181:373
182:1105 183:379 184:660 185:347 186:2449 187:1239
188:1988 189:1359 190:6596 192:6436 193:5661 194:4514
195:3474 196:1334 197:866 198:4273 199:5242 200:5950
201:2374 202:8685 203:8688 204:4442 205:2540 206:2707
207:2760 208:4088 209:3534 210:2806 211:1559 212:2054
213:1944 214:916 215:98 216:5185 217:1573 218:611
219:322 220:1267 221:545 222:313 223:444
End of report
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