Routing Table Report 08:00 +10GMT Thu 18 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 443908
Prefixes after maximum aggregation: 182366
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 222236
Total ASes present in the Internet Routing Table: 40140
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 34489
Origin ASes announcing only one prefix: 16100
Transit ASes present in the Internet Routing Table: 5643
Transit-only ASes present in the Internet Routing Table: 125
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: 948
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 4729
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10082
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 234
Number of addresses announced to Internet: 2634191896
Equivalent to 157 /8s, 2 /16s and 148 /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: 154866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102908
Total APNIC prefixes after maximum aggregation: 31970
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104750
Unique aggregates announced from the APNIC address blocks: 44512
APNIC Region origin ASes present in the Internet Routing Table: 4775
APNIC Prefixes per ASN: 21.94
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719437824
Equivalent to 42 /8s, 225 /16s and 192 /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: 156631
Total ARIN prefixes after maximum aggregation: 79261
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157326
Unique aggregates announced from the ARIN address blocks: 72510
ARIN Region origin ASes present in the Internet Routing Table: 15582
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5946
ARIN Region transit ASes present in the Internet Routing Table: 1554
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: 1062661632
Equivalent to 63 /8s, 86 /16s and 238 /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: 116815
Total RIPE prefixes after maximum aggregation: 59329
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120404
Unique aggregates announced from the RIPE address blocks: 77004
RIPE Region origin ASes present in the Internet Routing Table: 17117
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2760
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: 656436248
Equivalent to 39 /8s, 32 /16s and 108 /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: 46419
Total LACNIC prefixes after maximum aggregation: 9263
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 50332
Unique aggregates announced from the LACNIC address blocks: 24147
LACNIC Region origin ASes present in the Internet Routing Table: 1886
LACNIC Prefixes per ASN: 26.69
LACNIC Region origin ASes announcing only one prefix: 566
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: 126753792
Equivalent to 7 /8s, 142 /16s and 28 /24s
Percentage of available LACNIC address space announced: 75.6
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: 10269
Total AfriNIC prefixes after maximum aggregation: 2495
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 10861
Unique aggregates announced from the AfriNIC address blocks: 3847
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46169600
Equivalent to 2 /8s, 192 /16s and 126 /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 2511 839 89 PT Telekomunikasi Indonesia
4766 2141 11549 626 Korea Telecom (KIX)
7545 1882 320 109 TPG Internet Pty Ltd
4755 1715 392 198 TATA Communications formerly
9829 1512 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1168 1064 12 Vietel Corporation
9498 1075 310 72 BHARTI Airtel Ltd.
24560 1068 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 3036 3694 87 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2017 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1608 1154 397 tw telecom holdings, inc.
30036 1341 296 660 Mediacom Communications Corp
7018 1329 10840 866 AT&T Services, Inc.
11492 1238 228 334 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 1743 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1150 233 207 BILISIM TELEKOM
12479 845 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 813 288 649 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 755 2318 442 UPC Broadband
8551 689 370 43 Bezeq International
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 2627 1451 99 Types of queries are: POCs, o
10620 2366 409 218 Types of queries are: POCs, o
7303 1677 1153 212 Telecom Argentina S.A.
8151 1221 2688 393 Uninet S.A. de C.V.
6503 1065 451 71 Axtel, S.A.B. de C.V.
18881 853 717 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 543 617 25 Itissalat Al-MAGHRIB
8452 360 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 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 3036 3694 87 BellSouth.net Inc.
28573 2627 1451 99 Types of queries are: POCs, o
17974 2511 839 89 PT Telekomunikasi Indonesia
10620 2366 409 218 Types of queries are: POCs, o
4766 2141 11549 626 Korea Telecom (KIX)
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2017 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 2627 2528 Types of queries are: POCs, o
17974 2511 2422 PT Telekomunikasi Indonesia
10620 2366 2148 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
22773 2017 1892 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1882 1773 TPG Internet Pty Ltd
8402 1743 1727 Corbina telecom
4755 1715 1517 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.
128.0.55.0/24 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 /14:880 /15:1562 /16:12646 /17:6634 /18:10889
/19:21756 /20:31900 /21:33678 /22:46286 /23:41357 /24:234819
/25:9 /26:11 /27:12 /28:142 /29:195 /30:118
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1741 3036 BellSouth.net Inc.
7029 1577 2118 Windstream Communications Inc
8402 1451 1743 Corbina telecom
22773 1320 2017 Cox Communications Inc.
30036 1216 1341 Mediacom Communications Corp
11492 1197 1238 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)
----------------------------------------------
1:733 2:746 3:3 4:12 5:863 6:5
8:537 12:1916 13:3 14:747 15:11 16:3
17:9 20:18 23:267 24:1772 27:1458 31:1226
32:38 33:2 34:5 36:43 37:1825 38:855
39:2 40:169 41:2730 42:185 44:6 46:1773
47:2 49:623 50:666 52:12 54:30 55:7
57:30 58:1060 59:583 60:301 61:1436 62:1041
63:2038 64:4308 65:2180 66:4308 67:2071 68:1126
69:3238 70:874 71:528 72:1922 74:2573 75:412
76:295 77:1101 78:1048 79:533 80:1234 81:988
82:623 83:576 84:521 85:1169 86:464 87:956
88:527 89:1793 90:281 91:5492 92:620 93:1712
94:1853 95:1679 96:521 97:342 98:1051 99:38
100:28 101:311 103:2443 105:488 106:145 107:207
108:497 109:1818 110:849 111:1055 112:501 113:780
114:682 115:999 116:858 117:782 118:1023 119:1226
120:383 121:806 122:1696 123:1192 124:1299 125:1331
128:595 129:195 130:310 131:610 132:333 133:148
134:246 135:64 136:222 137:242 138:342 139:184
140:173 141:305 142:525 143:370 144:469 145:90
146:500 147:389 148:684 149:367 150:157 151:526
152:418 153:194 154:43 155:392 156:257 157:346
158:268 159:634 160:337 161:400 162:368 163:189
164:589 165:443 166:331 167:577 168:1020 169:132
170:1025 171:174 172:5 173:1603 174:592 175:449
176:1225 177:1840 178:1815 179:3 180:1401 181:385
182:1110 183:370 184:663 185:366 186:2320 187:1257
188:2018 189:1296 190:6068 192:6455 193:5831 194:4650
195:3634 196:1339 197:887 198:4277 199:5251 200:5889
201:2352 202:8714 203:8670 204:4456 205:2535 206:2727
207:2770 208:4065 209:3569 210:2822 211:1556 212:2068
213:1907 214:916 215:98 216:5185 217:1576 218:606
219:329 220:1263 221:548 222:311 223:447
End of report
