* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 18 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419193
Prefixes after maximum aggregation: 175758
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 207577
Total ASes present in the Internet Routing Table: 39046
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33603
Origin ASes announcing only one prefix: 15775
Transit ASes present in the Internet Routing Table: 5443
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1364
Unregistered ASNs in the Routing Table: 280
Number of 32-bit ASNs allocated by the RIRs: 3290
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7619
Special use prefixes present in the Routing Table: 9
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2615781888
Equivalent to 155 /8s, 233 /16s and 170 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.6
Total number of prefixes smaller than registry allocations: 145597
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97271
Total APNIC prefixes after maximum aggregation: 30951
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98479
Unique aggregates announced from the APNIC address blocks: 42683
APNIC Region origin ASes present in the Internet Routing Table: 4708
APNIC Prefixes per ASN: 20.92
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 705631488
Equivalent to 42 /8s, 15 /16s and 21 /24s
Percentage of available APNIC address space announced: 82.5
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: 152855
Total ARIN prefixes after maximum aggregation: 77524
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153812
Unique aggregates announced from the ARIN address blocks: 69026
ARIN Region origin ASes present in the Internet Routing Table: 15179
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1521
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083973888
Equivalent to 64 /8s, 156 /16s and 33 /24s
Percentage of available ARIN address space announced: 57.3
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: 107830
Total RIPE prefixes after maximum aggregation: 56690
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110310
Unique aggregates announced from the RIPE address blocks: 70124
RIPE Region origin ASes present in the Internet Routing Table: 16811
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2675
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 645479168
Equivalent to 38 /8s, 121 /16s and 59 /24s
Percentage of available RIPE address space announced: 93.8
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: 43018
Total LACNIC prefixes after maximum aggregation: 8324
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 46041
Unique aggregates announced from the LACNIC address blocks: 22118
LACNIC Region origin ASes present in the Internet Routing Table: 1634
LACNIC Prefixes per ASN: 28.18
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 311
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: 0
Number of LACNIC addresses announced to Internet: 116322816
Equivalent to 6 /8s, 238 /16s and 242 /24s
Percentage of available LACNIC address space announced: 69.3
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: 9887
Total AfriNIC prefixes after maximum aggregation: 2212
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 10376
Unique aggregates announced from the AfriNIC address blocks: 3481
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.56
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.5
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: 41811200
Equivalent to 2 /8s, 125 /16s and 253 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2340 702 54 PT Telekomunikasi Indonesia
4766 2112 11421 605 Korea Telecom (KIX)
7545 1753 301 88 TPG Internet Pty Ltd
4755 1597 386 160 TATA Communications formerly
9829 1335 1106 41 National Internet Backbone
9583 1177 87 513 Sify Limited
7552 1111 1062 11 Vietel Corporation
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
9498 1009 310 73 BHARTI Airtel Ltd.
4808 978 1948 291 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 3326 3734 186 BellSouth.net Inc.
7029 3153 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1917 678 128 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
20115 1659 1580 615 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1387 273 743 Mediacom Communications Corp
7018 1252 10334 837 AT&T Services, Inc.
7011 1204 329 698 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 1654 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 846 773 79 France Telecom Espana SA
34984 766 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 709 37 9 FreeNet ISP
20940 700 229 550 Akamai Technologies European
13188 664 100 9 Ukraine
58113 617 69 362 LIR DATACENTER TELECOM SRL
8551 600 364 61 Bezeq International
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 2156 368 223 Types of queries are: POCs, o
28573 2139 1248 54 Types of queries are: POCs, o
7303 1565 1034 199 Telecom Argentina S.A.
6503 1526 435 70 Axtel, S.A.B. de C.V.
8151 1432 3014 345 Uninet S.A. de C.V.
6458 723 81 15 Telgua
27947 698 75 89 Telconet S.A
3816 643 310 52 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 580 83 101 CORPORACION NACIONAL DE TELEC
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 880 275 36 LINKdotNET AS number
8452 808 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 228 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 193 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
6389 3326 3734 186 BellSouth.net Inc.
7029 3153 990 161 Windstream Communications Inc
17974 2340 702 54 PT Telekomunikasi Indonesia
10620 2156 368 223 Types of queries are: POCs, o
28573 2139 1248 54 Types of queries are: POCs, o
4766 2112 11421 605 Korea Telecom (KIX)
18566 2086 382 180 Covad Communications Co.
1785 1917 678 128 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
7545 1753 301 88 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
7029 3153 2992 Windstream Communications Inc
17974 2340 2286 PT Telekomunikasi Indonesia
28573 2139 2085 Types of queries are: POCs, o
10620 2156 1933 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1917 1789 PaeTec Communications, Inc.
22773 1885 1756 Cox Communications Inc.
7545 1753 1665 TPG Internet Pty Ltd
8402 1654 1638 Corbina telecom
4766 2112 1507 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
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.176.0/20 30764 PODA s.r.o.
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
41.220.80.0/24 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 /9:14 /10:30 /11:84 /12:237
/13:475 /14:846 /15:1557 /16:12357 /17:6473 /18:10741
/19:21040 /20:30194 /21:32015 /22:42008 /23:39534 /24:220999
/25:9 /26:14 /27:10 /28:145 /29:167 /30:86
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3153 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1849 3326 BellSouth.net Inc.
8402 1385 1654 Corbina telecom
30036 1322 1387 Mediacom Communications Corp
22773 1226 1885 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1526 Axtel, S.A.B. de C.V.
1785 1016 1917 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:586 2:581 3:1 4:13 5:493 6:3
8:455 12:1997 13:1 14:651 15:11 16:3
17:6 20:27 23:205 24:1787 27:1331 31:1043
32:73 33:2 34:2 36:7 37:776 38:823
39:2 40:133 41:3111 42:158 44:3 46:1579
47:2 49:477 50:585 52:13 54:18 55:9
56:1 57:35 58:926 59:530 60:237 61:1182
62:919 63:1989 64:4263 65:2235 66:4491 67:2038
68:1169 69:3215 70:984 71:509 72:1870 74:2599
75:483 76:313 77:956 78:970 79:490 80:1223
81:958 82:633 83:531 84:516 85:1155 86:487
87:926 88:363 89:1810 90:303 91:5197 92:579
93:1403 94:1621 95:1233 96:416 97:319 98:988
99:36 100:23 101:256 103:1529 105:512 106:118
107:197 108:438 109:1517 110:797 111:963 112:445
113:704 114:657 115:832 116:873 117:731 118:935
119:1225 120:300 121:677 122:1602 123:1164 124:1315
125:1283 128:509 129:177 130:271 131:626 132:267
133:22 134:239 135:61 136:217 137:236 138:342
139:169 140:471 141:282 142:467 143:367 144:489
145:80 146:513 147:258 148:742 149:323 150:149
151:172 152:448 153:184 154:19 155:437 156:223
157:335 158:186 159:574 160:341 161:389 162:357
163:179 164:671 165:416 166:539 167:551 168:960
169:124 170:909 171:149 172:7 173:1682 174:613
175:441 176:773 177:1159 178:1635 180:1356 181:136
182:1044 183:294 184:595 186:2213 187:1238 188:1666
189:1570 190:6044 192:5977 193:5733 194:4557 195:3435
196:1210 197:224 198:3748 199:4961 200:5879 201:1961
202:8518 203:8623 204:4357 205:2511 206:2687 207:2803
208:4056 209:3645 210:2764 211:1527 212:2041 213:1808
214:861 215:86 216:5123 217:1552 218:554 219:298
220:1238 221:513 222:299 223:383
End of report
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