Routing Table Report 08:00 +10GMT Tue 30 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 446181
Prefixes after maximum aggregation: 183156
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 223872
Total ASes present in the Internet Routing Table: 40215
Prefixes per ASN: 11.09
Origin-only ASes present in the Internet Routing Table: 34551
Origin ASes announcing only one prefix: 16113
Transit ASes present in the Internet Routing Table: 5656
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: 24
Max AS path prepend of ASN ( 49327) 21
Prefixes from unregistered ASNs in the Routing Table: 893
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4745
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10154
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2635491864
Equivalent to 157 /8s, 22 /16s and 106 /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: 155986
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102870
Total APNIC prefixes after maximum aggregation: 31913
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104758
Unique aggregates announced from the APNIC address blocks: 44468
APNIC Region origin ASes present in the Internet Routing Table: 4784
APNIC Prefixes per ASN: 21.90
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 793
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: 1
Number of APNIC addresses announced to Internet: 719522048
Equivalent to 42 /8s, 227 /16s and 9 /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: 157371
Total ARIN prefixes after maximum aggregation: 79481
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158037
Unique aggregates announced from the ARIN address blocks: 72585
ARIN Region origin ASes present in the Internet Routing Table: 15604
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5955
ARIN Region transit ASes present in the Internet Routing Table: 1565
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: 1063110144
Equivalent to 63 /8s, 93 /16s and 198 /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: 117148
Total RIPE prefixes after maximum aggregation: 59922
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120725
Unique aggregates announced from the RIPE address blocks: 78403
RIPE Region origin ASes present in the Internet Routing Table: 17135
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2756
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: 655824920
Equivalent to 39 /8s, 23 /16s and 24 /24s
Percentage of available RIPE address space announced: 95.3
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: 47034
Total LACNIC prefixes after maximum aggregation: 9289
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50990
Unique aggregates announced from the LACNIC address blocks: 24391
LACNIC Region origin ASes present in the Internet Routing Table: 1905
LACNIC Prefixes per ASN: 26.77
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 346
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: 128018688
Equivalent to 7 /8s, 161 /16s and 105 /24s
Percentage of available LACNIC address space announced: 76.3
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: 10863
Total AfriNIC prefixes after maximum aggregation: 2511
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11472
Unique aggregates announced from the AfriNIC address blocks: 3841
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 18.47
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46341888
Equivalent to 2 /8s, 195 /16s and 31 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2141 11550 626 Korea Telecom (KIX)
7545 1882 320 108 TPG Internet Pty Ltd
4755 1698 390 189 TATA Communications formerly
9829 1508 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1161 1064 12 Vietel Corporation
9498 1094 310 73 BHARTI Airtel Ltd.
24560 1072 385 165 Bharti Airtel Ltd., Telemedia
4808 1030 2002 301 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 3031 3693 84 BellSouth.net Inc.
7029 2096 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications Inc.
20115 1668 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1341 298 656 Mediacom Communications Corp
7018 1332 10838 868 AT&T Services, Inc.
11492 1240 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 1677 204 453 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1161 235 211 BILISIM TELEKOM
12479 840 785 66 France Telecom Espana SA
13188 832 99 70 Ukraine
8551 817 370 43 Bezeq International
20940 815 286 650 Akamai Technologies European
31148 796 41 21 FreeNet ISP
6830 776 2377 447 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 2700 1470 104 Types of queries are: POCs, o
10620 2384 413 215 Types of queries are: POCs, o
7303 1684 1154 216 Telecom Argentina S.A.
8151 1223 2694 390 Uninet S.A. de C.V.
6503 1063 435 70 Axtel, S.A.B. de C.V.
18881 908 780 19 Global Village Telecom
27947 785 88 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 700 307 87 Types of queries are: POCs, o
7738 698 1370 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 1286 80 4 MOBITEL
24863 888 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 209 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
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 3031 3693 84 BellSouth.net Inc.
28573 2700 1470 104 Types of queries are: POCs, o
17974 2512 839 90 PT Telekomunikasi Indonesia
10620 2384 413 215 Types of queries are: POCs, o
4766 2141 11550 626 Korea Telecom (KIX)
7029 2096 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications Inc.
7545 1882 320 108 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 2700 2596 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2384 2169 Types of queries are: POCs, o
7029 2096 1884 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
1785 1989 1865 PaeTec Communications, Inc.
22773 1969 1844 Cox Communications Inc.
7545 1882 1774 TPG Internet Pty Ltd
4766 2141 1515 Korea Telecom (KIX)
4755 1698 1509 TATA Communications formerly
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.
128.0.58.0/23 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
128.0.72.0/21 23456 32-bit ASN transition
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 /11:89 /12:251
/13:484 /14:881 /15:1560 /16:12637 /17:6656 /18:11094
/19:22059 /20:31957 /21:33823 /22:46620 /23:41547 /24:235843
/25:9 /26:11 /27:12 /28:140 /29:192 /30:121
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1738 3031 BellSouth.net Inc.
7029 1576 2096 Windstream Communications Inc
8402 1414 1677 Corbina telecom
22773 1280 1969 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1214 1341 Mediacom Communications Corp
11492 1199 1240 CABLE ONE, INC.
1785 1060 1989 PaeTec Communications, Inc.
6983 1007 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:742 2:709 3:3 4:12 5:876 6:5
8:543 12:1915 13:3 14:753 15:11 16:3
17:9 20:18 23:272 24:1760 27:1493 31:1277
32:38 33:2 34:5 36:44 37:1802 38:862
39:2 40:171 41:2856 42:185 44:6 46:1863
47:2 49:629 50:674 52:12 54:32 55:9
57:29 58:1059 59:562 60:302 61:1374 62:1064
63:2035 64:4314 65:2169 66:4305 67:2064 68:1117
69:3235 70:874 71:532 72:1953 74:2551 75:417
76:289 77:1080 78:1049 79:593 80:1265 81:992
82:631 83:571 84:524 85:1167 86:461 87:978
88:539 89:1793 90:280 91:5509 92:628 93:1723
94:1858 95:1539 96:522 97:343 98:1047 99:38
100:28 101:317 103:2497 105:520 106:144 107:209
108:500 109:1841 110:862 111:1045 112:498 113:770
114:694 115:926 116:875 117:784 118:1064 119:1223
120:395 121:708 122:1716 123:1232 124:1302 125:1336
128:579 129:194 130:310 131:645 132:320 133:148
134:245 135:66 136:222 137:246 138:346 139:194
140:180 141:310 142:531 143:374 144:486 145:92
146:501 147:388 148:681 149:369 150:153 151:533
152:418 153:195 154:42 155:396 156:262 157:346
158:276 159:640 160:337 161:403 162:399 163:200
164:588 165:444 166:307 167:581 168:1024 169:132
170:1025 171:176 172:4 173:1603 174:590 175:458
176:1267 177:1865 178:1829 179:5 180:1409 181:413
182:1136 183:383 184:669 185:392 186:2312 187:1310
188:2046 189:1385 190:6137 192:6508 193:5845 194:4657
195:3498 196:1349 197:1004 198:4339 199:5245 200:5878
201:2399 202:8591 203:8714 204:4441 205:2540 206:2750
207:2787 208:4057 209:3595 210:2828 211:1547 212:2086
213:1910 214:907 215:98 216:5225 217:1574 218:606
219:314 220:1269 221:554 222:315 223:437
End of report