Routing Table Report 08:00 +10GMT Wed 24 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444872
Prefixes after maximum aggregation: 182521
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222271
Total ASes present in the Internet Routing Table: 40186
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 34517
Origin ASes announcing only one prefix: 16108
Transit ASes present in the Internet Routing Table: 5661
Transit-only ASes present in the Internet Routing Table: 135
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: 941
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4733
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10062
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 291
Number of addresses announced to Internet: 2634792728
Equivalent to 157 /8s, 11 /16s and 191 /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: 155263
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103137
Total APNIC prefixes after maximum aggregation: 31966
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 104985
Unique aggregates announced from the APNIC address blocks: 44498
APNIC Region origin ASes present in the Internet Routing Table: 4782
APNIC Prefixes per ASN: 21.95
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 782
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719274496
Equivalent to 42 /8s, 223 /16s and 66 /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: 156874
Total ARIN prefixes after maximum aggregation: 79337
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157491
Unique aggregates announced from the ARIN address blocks: 72345
ARIN Region origin ASes present in the Internet Routing Table: 15598
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5959
ARIN Region transit ASes present in the Internet Routing Table: 1566
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: 1062688512
Equivalent to 63 /8s, 87 /16s and 87 /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: 116993
Total RIPE prefixes after maximum aggregation: 59347
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120532
Unique aggregates announced from the RIPE address blocks: 76936
RIPE Region origin ASes present in the Internet Routing Table: 17117
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2764
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: 656543000
Equivalent to 39 /8s, 34 /16s and 13 /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: 46829
Total LACNIC prefixes after maximum aggregation: 9307
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 50793
Unique aggregates announced from the LACNIC address blocks: 24342
LACNIC Region origin ASes present in the Internet Routing Table: 1895
LACNIC Prefixes per ASN: 26.80
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 345
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: 127178496
Equivalent to 7 /8s, 148 /16s and 151 /24s
Percentage of available LACNIC address space announced: 75.8
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: 10198
Total AfriNIC prefixes after maximum aggregation: 2513
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10779
Unique aggregates announced from the AfriNIC address blocks: 3873
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 17.36
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46254080
Equivalent to 2 /8s, 193 /16s and 200 /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 1883 320 109 TPG Internet Pty Ltd
4755 1712 392 198 TATA Communications formerly
9829 1510 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1169 1065 12 Vietel Corporation
9498 1080 310 72 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
4808 1026 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 86 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1978 677 123 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1344 296 660 Mediacom Communications Corp
7018 1328 10838 863 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 1803 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1147 233 205 BILISIM TELEKOM
12479 844 786 66 France Telecom Espana SA
13188 844 99 33 Ukraine
20940 813 286 649 Akamai Technologies European
8551 811 370 43 Bezeq International
31148 793 41 22 FreeNet ISP
6830 779 2377 450 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 2658 1464 101 Types of queries are: POCs, o
10620 2374 411 217 Types of queries are: POCs, o
7303 1678 1153 213 Telecom Argentina S.A.
8151 1220 2688 392 Uninet S.A. de C.V.
6503 1064 451 71 Axtel, S.A.B. de C.V.
18881 859 717 19 Global Village Telecom
27947 780 88 97 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 685 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 374 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria Limited
16637 176 697 92 MTN Network Solutions
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 86 BellSouth.net Inc.
28573 2658 1464 101 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 2118 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1978 677 123 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications Inc.
7545 1883 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 2658 2557 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2374 2157 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
1785 1978 1855 PaeTec Communications, Inc.
22773 1976 1851 Cox Communications Inc.
8402 1803 1787 Corbina telecom
7545 1883 1774 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 /11:89 /12:250
/13:483 /14:882 /15:1564 /16:12637 /17:6628 /18:10938
/19:21842 /20:31939 /21:33718 /22:46502 /23:41419 /24:235308
/25:9 /26:11 /27:12 /28:139 /29:193 /30:120
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1741 3036 BellSouth.net Inc.
7029 1577 2118 Windstream Communications Inc
8402 1512 1803 Corbina telecom
22773 1282 1976 Cox Communications Inc.
30036 1218 1344 Mediacom Communications Corp
11492 1198 1239 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1051 1978 PaeTec Communications, Inc.
6983 1006 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:738 2:777 3:3 4:12 5:868 6:5
8:538 12:1922 13:3 14:753 15:11 16:3
17:9 20:18 23:270 24:1761 27:1466 31:1221
32:38 33:2 34:5 36:44 37:1810 38:859
39:2 40:169 41:2713 42:185 44:6 46:1788
47:2 49:627 50:672 52:12 54:30 55:8
57:30 58:1058 59:581 60:302 61:1440 62:1038
63:2033 64:4311 65:2175 66:4316 67:2074 68:1113
69:3238 70:872 71:530 72:1954 74:2573 75:415
76:296 77:1104 78:1049 79:578 80:1234 81:986
82:622 83:570 84:520 85:1171 86:464 87:981
88:527 89:1790 90:281 91:5434 92:625 93:1717
94:1850 95:1721 96:520 97:343 98:1048 99:38
100:28 101:314 103:2469 105:488 106:143 107:209
108:498 109:1834 110:858 111:1042 112:501 113:780
114:690 115:1002 116:866 117:784 118:1036 119:1225
120:388 121:811 122:1710 123:1219 124:1290 125:1332
128:594 129:195 130:310 131:639 132:334 133:148
134:246 135:64 136:223 137:240 138:344 139:188
140:173 141:309 142:522 143:373 144:486 145:91
146:500 147:387 148:680 149:369 150:157 151:531
152:417 153:195 154:43 155:393 156:260 157:346
158:276 159:639 160:340 161:401 162:380 163:191
164:581 165:444 166:330 167:579 168:1021 169:132
170:1023 171:175 172:5 173:1607 174:592 175:455
176:1244 177:1874 178:1822 179:3 180:1394 181:403
182:1126 183:372 184:664 185:382 186:2291 187:1307
188:2015 189:1363 190:6181 192:6481 193:5835 194:4657
195:3488 196:1315 197:839 198:4285 199:5238 200:5881
201:2412 202:8702 203:8679 204:4449 205:2542 206:2733
207:2770 208:4063 209:3571 210:2837 211:1544 212:2064
213:1897 214:905 215:95 216:5184 217:1569 218:606
219:330 220:1269 221:553 222:315 223:442
End of report