* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 23 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 426449
Prefixes after maximum aggregation: 178014
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212437
Total ASes present in the Internet Routing Table: 39387
Prefixes per ASN: 10.83
Origin-only ASes present in the Internet Routing Table: 33892
Origin ASes announcing only one prefix: 15849
Transit ASes present in the Internet Routing Table: 5495
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1691
Unregistered ASNs in the Routing Table: 416
Number of 32-bit ASNs allocated by the RIRs: 3517
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8456
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 150
Number of addresses announced to Internet: 2633394688
Equivalent to 156 /8s, 246 /16s and 106 /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: 93.9
Total number of prefixes smaller than registry allocations: 148698
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99106
Total APNIC prefixes after maximum aggregation: 31227
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100571
Unique aggregates announced from the APNIC address blocks: 43140
APNIC Region origin ASes present in the Internet Routing Table: 4751
APNIC Prefixes per ASN: 21.17
APNIC Region origin ASes announcing only one prefix: 1277
APNIC Region transit ASes present in the Internet Routing Table: 746
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: 712353024
Equivalent to 42 /8s, 117 /16s and 165 /24s
Percentage of available APNIC address space announced: 83.3
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: 153968
Total ARIN prefixes after maximum aggregation: 77976
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154717
Unique aggregates announced from the ARIN address blocks: 70048
ARIN Region origin ASes present in the Internet Routing Table: 15239
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1531
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087315968
Equivalent to 64 /8s, 207 /16s and 32 /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: 110658
Total RIPE prefixes after maximum aggregation: 57774
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 113496
Unique aggregates announced from the RIPE address blocks: 72774
RIPE Region origin ASes present in the Internet Routing Table: 16954
RIPE Prefixes per ASN: 6.69
RIPE Region origin ASes announcing only one prefix: 8138
RIPE Region transit ASes present in the Internet Routing Table: 2708
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648721664
Equivalent to 38 /8s, 170 /16s and 181 /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: 43852
Total LACNIC prefixes after maximum aggregation: 8717
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47336
Unique aggregates announced from the LACNIC address blocks: 22821
LACNIC Region origin ASes present in the Internet Routing Table: 1705
LACNIC Prefixes per ASN: 27.76
LACNIC Region origin ASes announcing only one prefix: 492
LACNIC Region transit ASes present in the Internet Routing Table: 314
Average LACNIC Region AS path length visible: 3.9
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: 119448832
Equivalent to 7 /8s, 30 /16s and 165 /24s
Percentage of available LACNIC address space announced: 71.2
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: 9659
Total AfriNIC prefixes after maximum aggregation: 2266
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 10178
Unique aggregates announced from the AfriNIC address blocks: 3522
AfriNIC Region origin ASes present in the Internet Routing Table: 572
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42984448
Equivalent to 2 /8s, 143 /16s and 228 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2431 826 46 PT Telekomunikasi Indonesia
4766 2100 11550 602 Korea Telecom (KIX)
7545 1795 301 89 TPG Internet Pty Ltd
4755 1603 374 158 TATA Communications formerly
9829 1404 1154 42 National Internet Backbone
9583 1170 88 503 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1035 384 166 Bharti Airtel Ltd., Telemedia
9498 1025 310 74 BHARTI Airtel Ltd.
18101 1017 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 3201 992 191 Windstream Communications Inc
6389 3148 3720 151 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1926 678 124 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1585 1169 392 tw telecom holdings, inc.
30036 1362 280 750 Mediacom Communications Corp
7018 1289 10308 858 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 1713 544 16 Corbina telecom
12479 854 777 64 France Telecom Espana SA
34984 844 210 211 BILISIM TELEKOM
13188 733 94 130 Ukraine
31148 731 37 9 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 701 228 548 Akamai Technologies European
8551 623 367 39 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
2118 595 97 14 EUnet/RELCOM Autonomous Syste
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 2260 386 205 Types of queries are: POCs, o
28573 2175 1285 66 Types of queries are: POCs, o
7303 1668 1138 201 Telecom Argentina S.A.
6503 1530 435 70 Axtel, S.A.B. de C.V.
8151 1462 3043 351 Uninet S.A. de C.V.
27947 728 78 88 Telconet S.A
3816 660 309 69 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 594 716 18 Global Village Telecom
22047 579 326 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
24863 872 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 514 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 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 3201 992 191 Windstream Communications Inc
6389 3148 3720 151 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2260 386 205 Types of queries are: POCs, o
28573 2175 1285 66 Types of queries are: POCs, o
4766 2100 11550 602 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1926 678 124 PaeTec Communications, Inc.
7545 1795 301 89 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 3148 2997 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2175 2109 Types of queries are: POCs, o
10620 2260 2055 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1945 1816 Cox Communications Inc.
1785 1926 1802 PaeTec Communications, Inc.
7545 1795 1706 TPG Internet Pty Ltd
8402 1713 1697 Corbina telecom
4766 2100 1498 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
128.0.0.0/24 2876 Jump Management SRL
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
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
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 /12:242
/13:475 /14:859 /15:1566 /16:12389 /17:6580 /18:10797
/19:21398 /20:30724 /21:32702 /22:43046 /23:40166 /24:224765
/25:9 /26:12 /27:11 /28:145 /29:184 /30:89
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3201 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1778 3148 BellSouth.net Inc.
8402 1431 1713 Corbina telecom
30036 1276 1362 Mediacom Communications Corp
22773 1275 1945 Cox Communications Inc.
11492 1145 1180 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1015 1926 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)
----------------------------------------------
1:619 2:744 3:1 4:13 5:645 6:3
8:488 12:1957 13:3 14:682 15:11 16:3
17:6 20:27 23:212 24:1774 27:1415 31:1305
32:49 33:2 34:2 36:7 37:1058 38:836
39:2 40:140 41:2691 42:179 44:3 46:1651
47:2 49:504 50:603 52:12 54:27 55:4
57:31 58:982 59:545 60:229 61:1271 62:1042
63:2017 64:4328 65:2196 66:4499 67:2101 68:1160
69:3226 70:924 71:555 72:1894 74:2616 75:484
76:299 77:984 78:1010 79:507 80:1227 81:985
82:630 83:539 84:523 85:1157 86:515 87:958
88:350 89:1738 90:305 91:5348 92:589 93:1534
94:1811 95:1398 96:409 97:322 98:972 99:37
100:30 101:290 103:1818 105:514 106:119 107:203
108:462 109:1648 110:806 111:977 112:455 113:719
114:681 115:873 116:866 117:751 118:959 119:1211
120:353 121:664 122:1701 123:1168 124:1293 125:1287
128:527 129:189 130:281 131:659 132:309 133:143
134:244 135:62 136:217 137:234 138:340 139:172
140:478 141:288 142:479 143:361 144:486 145:87
146:522 147:256 148:720 149:328 150:141 151:217
152:396 153:183 154:21 155:433 156:224 157:323
158:278 159:587 160:337 161:390 162:369 163:180
164:576 165:444 166:478 167:560 168:973 169:128
170:920 171:148 172:7 173:1706 174:638 175:452
176:729 177:1478 178:1651 180:1383 181:175 182:1105
183:302 184:632 185:86 186:2057 187:1412 188:1763
189:1595 190:5922 192:5997 193:5424 194:4265 195:3593
196:1243 197:272 198:3897 199:5076 200:5952 201:1977
202:8531 203:8614 204:4370 205:2525 206:2678 207:2742
208:4070 209:3588 210:2750 211:1519 212:2140 213:1872
214:868 215:75 216:5180 217:1598 218:569 219:293
220:1254 221:529 222:337 223:411
End of report
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