* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 14 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 424409
Prefixes after maximum aggregation: 177774
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212020
Total ASes present in the Internet Routing Table: 39320
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 33817
Origin ASes announcing only one prefix: 15841
Transit ASes present in the Internet Routing Table: 5503
Transit-only ASes present in the Internet Routing Table: 131
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) 37
Prefixes from unregistered ASNs in the Routing Table: 1660
Unregistered ASNs in the Routing Table: 393
Number of 32-bit ASNs allocated by the RIRs: 3473
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8380
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2633207040
Equivalent to 156 /8s, 243 /16s and 141 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 147517
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98879
Total APNIC prefixes after maximum aggregation: 31148
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100278
Unique aggregates announced from the APNIC address blocks: 42993
APNIC Region origin ASes present in the Internet Routing Table: 4744
APNIC Prefixes per ASN: 21.14
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 751
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 711677696
Equivalent to 42 /8s, 107 /16s and 87 /24s
Percentage of available APNIC address space announced: 83.2
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: 153858
Total ARIN prefixes after maximum aggregation: 77942
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154621
Unique aggregates announced from the ARIN address blocks: 69860
ARIN Region origin ASes present in the Internet Routing Table: 15225
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1527
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: 1087621888
Equivalent to 64 /8s, 211 /16s and 203 /24s
Percentage of available ARIN address space announced: 57.5
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: 109413
Total RIPE prefixes after maximum aggregation: 57717
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112206
Unique aggregates announced from the RIPE address blocks: 72622
RIPE Region origin ASes present in the Internet Routing Table: 16922
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8138
RIPE Region transit ASes present in the Internet Routing Table: 2716
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648889344
Equivalent to 38 /8s, 173 /16s and 68 /24s
Percentage of available RIPE address space announced: 94.3
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: 43497
Total LACNIC prefixes after maximum aggregation: 8638
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 46962
Unique aggregates announced from the LACNIC address blocks: 22776
LACNIC Region origin ASes present in the Internet Routing Table: 1699
LACNIC Prefixes per ASN: 27.64
LACNIC Region origin ASes announcing only one prefix: 493
LACNIC Region transit ASes present in the Internet Routing Table: 314
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: 119335936
Equivalent to 7 /8s, 28 /16s and 236 /24s
Percentage of available LACNIC address space announced: 71.1
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: 9669
Total AfriNIC prefixes after maximum aggregation: 2276
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 10176
Unique aggregates announced from the AfriNIC address blocks: 3627
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.3
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: 43084800
Equivalent to 2 /8s, 145 /16s and 108 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2419 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1796 301 87 TPG Internet Pty Ltd
4755 1596 375 159 TATA Communications formerly
9829 1409 1155 42 National Internet Backbone
9583 1180 88 513 Sify Limited
7552 1127 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 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
7029 3203 991 190 Windstream Communications Inc
6389 3163 3721 157 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1930 678 126 PaeTec Communications, Inc.
20115 1667 1602 628 Charter Communications
4323 1588 1169 393 tw telecom holdings, inc.
30036 1376 286 760 Mediacom Communications Corp
7018 1277 10292 854 AT&T Services, Inc.
7011 1222 334 692 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 1701 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 835 208 206 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 726 93 131 Ukraine
6830 713 2313 436 UPC Broadband
20940 705 230 551 Akamai Technologies European
8551 620 364 61 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
9116 541 326 32 Goldenlines main autonomous s
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 2251 384 208 Types of queries are: POCs, o
28573 2180 1285 65 Types of queries are: POCs, o
7303 1669 1139 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1458 3043 350 Uninet S.A. de C.V.
27947 725 78 88 Telconet S.A
3816 628 309 80 Types of queries are: POCs, o
11172 592 101 68 Alestra, S. de R.L. de C.V.
18881 585 716 18 Global Village Telecom
7738 580 1178 33 Telecomunicacoes da Bahia 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 882 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 543 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 29 5 Wananchi Online Limited
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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
7029 3203 991 190 Windstream Communications Inc
6389 3163 3721 157 BellSouth.net Inc.
17974 2419 826 46 PT Telekomunikasi Indonesia
10620 2251 384 208 Types of queries are: POCs, o
28573 2180 1285 65 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1930 678 126 PaeTec Communications, Inc.
7545 1796 301 87 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
6389 3163 3006 BellSouth.net Inc.
17974 2419 2373 PT Telekomunikasi Indonesia
28573 2180 2115 Types of queries are: POCs, o
10620 2251 2043 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1971 1843 Cox Communications Inc.
1785 1930 1804 PaeTec Communications, Inc.
7545 1796 1709 TPG Internet Pty Ltd
8402 1701 1685 Corbina telecom
4766 2101 1499 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /8:19 /9:13 /10:30 /11:88 /12:243
/13:478 /14:853 /15:1560 /16:12409 /17:6573 /18:10826
/19:21311 /20:30662 /21:32613 /22:42838 /23:40079 /24:223257
/25:9 /26:12 /27:9 /28:140 /29:176 /30:85
/31:0 /32:126
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3203 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1785 3163 BellSouth.net Inc.
8402 1410 1701 Corbina telecom
22773 1299 1971 Cox Communications Inc.
30036 1291 1376 Mediacom Communications Corp
11492 1147 1182 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 1930 PaeTec Communications, Inc.
7011 957 1222 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:608 2:746 3:1 4:13 5:656 6:3
8:481 12:1958 13:3 14:675 15:11 16:3
17:6 20:27 23:210 24:1810 27:1396 31:1040
32:49 33:2 34:2 36:7 37:942 38:829
39:2 40:138 41:2721 42:178 44:3 46:1640
47:2 49:504 50:601 52:12 54:27 55:2
56:1 57:30 58:981 59:537 60:231 61:1275
62:961 63:2008 64:4302 65:2193 66:4497 67:2102
68:1159 69:3220 70:936 71:553 72:1892 74:2616
75:481 76:286 77:986 78:1003 79:510 80:1243
81:983 82:628 83:544 84:520 85:1149 86:515
87:949 88:360 89:1753 90:305 91:5297 92:581
93:1418 94:1790 95:1398 96:412 97:325 98:971
99:37 100:30 101:288 103:1765 105:521 106:121
107:203 108:461 109:1629 110:816 111:974 112:431
113:721 114:672 115:861 116:859 117:745 118:955
119:1202 120:354 121:681 122:1666 123:1163 124:1296
125:1287 128:537 129:188 130:277 131:655 132:310
133:142 134:245 135:62 136:216 137:234 138:339
139:172 140:476 141:291 142:477 143:375 144:488
145:83 146:518 147:258 148:718 149:326 150:150
151:211 152:449 153:183 154:20 155:432 156:225
157:324 158:285 159:588 160:335 161:389 162:368
163:180 164:576 165:430 166:488 167:563 168:967
169:128 170:921 171:154 172:7 173:1697 174:633
175:449 176:722 177:1427 178:1653 180:1382 181:169
182:1097 183:299 184:619 185:63 186:2058 187:1414
188:1741 189:1621 190:5735 192:6003 193:5404 194:4139
195:3467 196:1239 197:265 198:3867 199:5064 200:5935
201:1967 202:8522 203:8602 204:4357 205:2518 206:2672
207:2734 208:4059 209:3604 210:2745 211:1515 212:2163
213:1852 214:883 215:75 216:5171 217:1572 218:563
219:294 220:1252 221:531 222:337 223:400
End of report
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