* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 11 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430796
Prefixes after maximum aggregation: 179133
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 215313
Total ASes present in the Internet Routing Table: 39567
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 34037
Origin ASes announcing only one prefix: 15933
Transit ASes present in the Internet Routing Table: 5530
Transit-only ASes present in the Internet Routing Table: 123
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: 1001
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 3633
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8828
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2644270352
Equivalent to 157 /8s, 156 /16s and 93 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 150277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99808
Total APNIC prefixes after maximum aggregation: 31487
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101412
Unique aggregates announced from the APNIC address blocks: 43468
APNIC Region origin ASes present in the Internet Routing Table: 4759
APNIC Prefixes per ASN: 21.31
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 765
Average APNIC Region AS path length visible: 4.0
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: 715844864
Equivalent to 42 /8s, 170 /16s and 237 /24s
Percentage of available APNIC address space announced: 83.7
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: 153783
Total ARIN prefixes after maximum aggregation: 78047
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154453
Unique aggregates announced from the ARIN address blocks: 70695
ARIN Region origin ASes present in the Internet Routing Table: 15309
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5804
ARIN Region transit ASes present in the Internet Routing Table: 1522
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090657536
Equivalent to 65 /8s, 2 /16s and 29 /24s
Percentage of available ARIN address space announced: 57.7
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: 112856
Total RIPE prefixes after maximum aggregation: 58240
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115910
Unique aggregates announced from the RIPE address blocks: 74153
RIPE Region origin ASes present in the Internet Routing Table: 16999
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2718
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: 0
Number of RIPE addresses announced to Internet: 650100496
Equivalent to 38 /8s, 191 /16s and 191 /24s
Percentage of available RIPE address space announced: 94.5
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: 44721
Total LACNIC prefixes after maximum aggregation: 8941
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 48248
Unique aggregates announced from the LACNIC address blocks: 23208
LACNIC Region origin ASes present in the Internet Routing Table: 1759
LACNIC Prefixes per ASN: 27.43
LACNIC Region origin ASes announcing only one prefix: 507
LACNIC Region transit ASes present in the Internet Routing Table: 320
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: 121272064
Equivalent to 7 /8s, 58 /16s and 119 /24s
Percentage of available LACNIC address space announced: 72.3
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: 10022
Total AfriNIC prefixes after maximum aggregation: 2365
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 10595
Unique aggregates announced from the AfriNIC address blocks: 3630
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 43828224
Equivalent to 2 /8s, 156 /16s and 196 /24s
Percentage of available AfriNIC address space announced: 43.5
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 2466 828 53 PT Telekomunikasi Indonesia
4766 2119 11548 620 Korea Telecom (KIX)
7545 1813 301 88 TPG Internet Pty Ltd
4755 1643 381 174 TATA Communications formerly
9829 1419 1156 42 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1092 1070 12 Vietel Corporation
9498 1052 310 74 BHARTI Airtel Ltd.
24560 1012 372 162 Bharti Airtel Ltd., Telemedia
18101 1010 134 167 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
6389 3113 3701 130 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1686 1607 617 Charter Communications
4323 1591 1171 394 tw telecom holdings, inc.
30036 1354 287 695 Mediacom Communications Corp
7018 1306 10582 865 AT&T Services, Inc.
7011 1205 320 684 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 1778 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 231 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 770 96 117 Ukraine
31148 744 38 14 FreeNet ISP
20940 727 242 574 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 675 367 39 Bezeq International
58113 633 70 378 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
10620 2271 387 210 Types of queries are: POCs, o
28573 2167 1303 73 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1400 2897 360 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 747 86 91 Telconet S.A
3816 672 309 70 Types of queries are: POCs, o
11172 602 101 66 Alestra, S. de R.L. de C.V.
7738 587 1242 34 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 884 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 197 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3113 3701 130 BellSouth.net Inc.
17974 2466 828 53 PT Telekomunikasi Indonesia
7029 2286 1265 212 Windstream Communications Inc
10620 2271 387 210 Types of queries are: POCs, o
28573 2167 1303 73 Types of queries are: POCs, o
4766 2119 11548 620 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1813 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
17974 2466 2413 PT Telekomunikasi Indonesia
28573 2167 2094 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2271 2061 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1954 1823 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
8402 1778 1762 Corbina telecom
7545 1813 1725 TPG Internet Pty Ltd
4766 2119 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
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 7832 WW/Precision Communi
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
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 /11:87 /12:246
/13:476 /14:863 /15:1558 /16:12452 /17:6611 /18:10863
/19:21591 /20:30956 /21:32957 /22:43815 /23:40313 /24:227351
/25:9 /26:11 /27:11 /28:143 /29:184 /30:95
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1770 3113 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1504 1778 Corbina telecom
22773 1286 1954 Cox Communications Inc.
30036 1252 1354 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1028 1944 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 954 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:659 2:717 3:3 4:13 5:716 6:3
8:484 12:1923 13:3 14:684 15:11 16:3
17:6 20:27 23:218 24:1790 27:1457 31:1136
32:49 33:2 34:2 36:11 37:1169 38:830
39:2 40:139 41:2756 42:180 44:3 46:1714
47:3 49:532 50:643 52:12 54:28 55:7
57:31 58:992 59:558 60:229 61:1304 62:1048
63:2036 64:4298 65:2156 66:4268 67:2100 68:1130
69:3309 70:862 71:535 72:1883 74:2541 75:414
76:294 77:1045 78:1036 79:539 80:1223 81:978
82:666 83:536 84:529 85:1166 86:467 87:976
88:359 89:1738 90:303 91:5392 92:613 93:1618
94:1988 95:1649 96:489 97:338 98:971 99:49
100:29 101:300 103:1947 105:583 106:126 107:208
108:485 109:1741 110:827 111:989 112:466 113:719
114:673 115:891 116:870 117:763 118:960 119:1232
120:324 121:690 122:1698 123:1180 124:1282 125:1303
128:519 129:190 130:297 131:641 132:314 133:142
134:241 135:62 136:215 137:231 138:342 139:157
140:156 141:299 142:495 143:374 144:481 145:89
146:514 147:292 148:717 149:334 150:155 151:255
152:396 153:188 154:23 155:445 156:230 157:334
158:257 159:612 160:336 161:398 162:366 163:179
164:579 165:455 166:458 167:570 168:1000 169:129
170:1002 171:162 172:4 173:1517 174:751 175:416
176:952 177:1486 178:1702 180:1362 181:193 182:1157
183:295 184:650 185:159 186:2183 187:1439 188:1920
189:1560 190:6170 192:6072 193:5721 194:4500 195:3604
196:1251 197:359 198:4015 199:5134 200:5935 201:2022
202:8562 203:8628 204:4407 205:2527 206:2696 207:2698
208:4071 209:3513 210:2782 211:1554 212:2008 213:1888
214:880 215:90 216:5040 217:1583 218:585 219:305
220:1254 221:528 222:322 223:393
End of report
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