Routing Table Report 08:00 +10GMT Mon 22 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444428
Prefixes after maximum aggregation: 182438
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222505
Total ASes present in the Internet Routing Table: 40151
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 34479
Origin ASes announcing only one prefix: 16106
Transit ASes present in the Internet Routing Table: 5664
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 935
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4730
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10079
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 222
Number of addresses announced to Internet: 2634556696
Equivalent to 157 /8s, 8 /16s and 37 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 155262
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102997
Total APNIC prefixes after maximum aggregation: 32050
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104857
Unique aggregates announced from the APNIC address blocks: 44618
APNIC Region origin ASes present in the Internet Routing Table: 4779
APNIC Prefixes per ASN: 21.94
APNIC Region origin ASes announcing only one prefix: 1233
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: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719516928
Equivalent to 42 /8s, 226 /16s and 245 /24s
Percentage of available APNIC address space announced: 84.1
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: 156763
Total ARIN prefixes after maximum aggregation: 79298
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157426
Unique aggregates announced from the ARIN address blocks: 72589
ARIN Region origin ASes present in the Internet Routing Table: 15589
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5958
ARIN Region transit ASes present in the Internet Routing Table: 1559
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: 1062691840
Equivalent to 63 /8s, 87 /16s and 100 /24s
Percentage of available ARIN address space announced: 56.2
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: 116939
Total RIPE prefixes after maximum aggregation: 59301
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120530
Unique aggregates announced from the RIPE address blocks: 77095
RIPE Region origin ASes present in the Internet Routing Table: 17118
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2773
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656386328
Equivalent to 39 /8s, 31 /16s and 169 /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: 46553
Total LACNIC prefixes after maximum aggregation: 9255
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 50492
Unique aggregates announced from the LACNIC address blocks: 24167
LACNIC Region origin ASes present in the Internet Routing Table: 1884
LACNIC Prefixes per ASN: 26.80
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 347
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 127080704
Equivalent to 7 /8s, 147 /16s and 25 /24s
Percentage of available LACNIC address space announced: 75.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10320
Total AfriNIC prefixes after maximum aggregation: 2486
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10900
Unique aggregates announced from the AfriNIC address blocks: 3828
AfriNIC Region origin ASes present in the Internet Routing Table: 616
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 46165504
Equivalent to 2 /8s, 192 /16s and 110 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2512 839 90 PT Telekomunikasi Indonesia
4766 2142 11549 626 Korea Telecom (KIX)
7545 1882 320 109 TPG Internet Pty Ltd
4755 1712 392 198 TATA Communications formerly
9829 1512 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1167 1064 12 Vietel Corporation
9498 1077 310 72 BHARTI Airtel Ltd.
24560 1069 385 164 Bharti Airtel Ltd., Telemedia
4808 1022 2002 299 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 3037 3694 87 BellSouth.net Inc.
7029 2117 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 1984 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1342 296 660 Mediacom Communications Corp
7018 1328 10840 867 AT&T Services, Inc.
11492 1239 228 330 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 1797 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1148 233 206 BILISIM TELEKOM
13188 861 99 33 Ukraine
12479 845 786 66 France Telecom Espana SA
20940 809 286 647 Akamai Technologies European
8551 807 370 43 Bezeq International
31148 794 41 22 FreeNet ISP
6830 754 2318 441 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 2631 1452 96 Types of queries are: POCs, o
10620 2374 411 217 Types of queries are: POCs, o
7303 1676 1153 211 Telecom Argentina S.A.
8151 1219 2688 393 Uninet S.A. de C.V.
6503 1063 451 70 Axtel, S.A.B. de C.V.
18881 859 717 19 Global Village Telecom
27947 778 88 96 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 87 Types of queries are: POCs, o
7738 650 1306 35 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
36998 1137 80 4 MOBITEL
24863 694 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 360 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
37054 206 11 5 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 3037 3694 87 BellSouth.net Inc.
28573 2631 1452 96 Types of queries are: POCs, o
17974 2512 839 90 PT Telekomunikasi Indonesia
10620 2374 411 217 Types of queries are: POCs, o
4766 2142 11549 626 Korea Telecom (KIX)
7029 2117 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 1984 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1882 320 109 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 2631 2535 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2374 2157 Types of queries are: POCs, o
7029 2117 1906 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
22773 1984 1859 Cox Communications Inc.
1785 1973 1851 PaeTec Communications, Inc.
8402 1797 1781 Corbina telecom
7545 1882 1773 TPG Internet Pty Ltd
4766 2142 1516 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
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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 /8:17 /9:13 /10:30 /11:88 /12:250
/13:483 /14:883 /15:1561 /16:12646 /17:6620 /18:10896
/19:21804 /20:31935 /21:33701 /22:46349 /23:41414 /24:235125
/25:9 /26:11 /27:12 /28:137 /29:194 /30:119
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1741 3037 BellSouth.net Inc.
7029 1577 2117 Windstream Communications Inc
8402 1506 1797 Corbina telecom
22773 1292 1984 Cox Communications Inc.
30036 1217 1342 Mediacom Communications Corp
11492 1198 1239 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1973 PaeTec Communications, Inc.
6983 1006 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:738 2:783 3:3 4:12 5:857 6:5
8:537 12:1915 13:3 14:751 15:11 16:3
17:9 20:18 23:269 24:1763 27:1466 31:1222
32:38 33:2 34:5 36:44 37:1819 38:856
39:2 40:169 41:2767 42:185 44:6 46:1787
47:2 49:624 50:665 52:12 54:30 55:4
57:30 58:1059 59:584 60:302 61:1440 62:1036
63:2050 64:4311 65:2177 66:4317 67:2071 68:1115
69:3240 70:872 71:528 72:1954 74:2573 75:415
76:295 77:1104 78:1049 79:578 80:1234 81:986
82:616 83:569 84:502 85:1170 86:465 87:976
88:528 89:1795 90:281 91:5472 92:623 93:1719
94:1845 95:1724 96:516 97:342 98:1050 99:38
100:28 101:317 103:2468 105:488 106:143 107:209
108:498 109:1848 110:857 111:1048 112:502 113:780
114:685 115:1002 116:857 117:785 118:1031 119:1227
120:392 121:811 122:1700 123:1190 124:1294 125:1331
128:593 129:195 130:310 131:643 132:330 133:148
134:245 135:64 136:221 137:240 138:344 139:186
140:173 141:304 142:523 143:374 144:484 145:91
146:500 147:380 148:679 149:369 150:155 151:530
152:417 153:194 154:43 155:391 156:260 157:346
158:276 159:643 160:338 161:402 162:373 163:191
164:581 165:443 166:330 167:578 168:1021 169:132
170:1023 171:175 172:5 173:1607 174:587 175:449
176:1243 177:1844 178:1821 179:3 180:1398 181:398
182:1112 183:370 184:664 185:383 186:2285 187:1215
188:2017 189:1276 190:6206 192:6449 193:5823 194:4645
195:3484 196:1333 197:888 198:4286 199:5258 200:5901
201:2409 202:8698 203:8676 204:4436 205:2538 206:2731
207:2769 208:4060 209:3571 210:2825 211:1557 212:2070
213:1900 214:909 215:96 216:5184 217:1573 218:606
219:330 220:1269 221:548 222:311 223:447
End of report