Routing Table Report 08:00 +10GMT Fri 17 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447829
Prefixes after maximum aggregation: 183305
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224486
Total ASes present in the Internet Routing Table: 40294
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34620
Origin ASes announcing only one prefix: 16133
Transit ASes present in the Internet Routing Table: 5666
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 811
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 4768
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10305
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 327
Number of addresses announced to Internet: 2636971008
Equivalent to 157 /8s, 44 /16s and 252 /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: 94.5
Total number of prefixes smaller than registry allocations: 156232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103360
Total APNIC prefixes after maximum aggregation: 32078
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105347
Unique aggregates announced from the APNIC address blocks: 44825
APNIC Region origin ASes present in the Internet Routing Table: 4795
APNIC Prefixes per ASN: 21.97
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 792
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721067776
Equivalent to 42 /8s, 250 /16s and 159 /24s
Percentage of available APNIC address space announced: 84.3
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: 158102
Total ARIN prefixes after maximum aggregation: 79847
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158716
Unique aggregates announced from the ARIN address blocks: 73500
ARIN Region origin ASes present in the Internet Routing Table: 15632
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5970
ARIN Region transit ASes present in the Internet Routing Table: 1577
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1061614592
Equivalent to 63 /8s, 70 /16s and 244 /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: 117342
Total RIPE prefixes after maximum aggregation: 59692
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120909
Unique aggregates announced from the RIPE address blocks: 77852
RIPE Region origin ASes present in the Internet Routing Table: 17149
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2749
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: 656385536
Equivalent to 39 /8s, 31 /16s and 166 /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: 46946
Total LACNIC prefixes after maximum aggregation: 9148
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 50942
Unique aggregates announced from the LACNIC address blocks: 24138
LACNIC Region origin ASes present in the Internet Routing Table: 1922
LACNIC Prefixes per ASN: 26.50
LACNIC Region origin ASes announcing only one prefix: 583
LACNIC Region transit ASes present in the Internet Routing Table: 345
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 128835328
Equivalent to 7 /8s, 173 /16s and 223 /24s
Percentage of available LACNIC address space announced: 76.8
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: 11037
Total AfriNIC prefixes after maximum aggregation: 2497
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11587
Unique aggregates announced from the AfriNIC address blocks: 3868
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46385664
Equivalent to 2 /8s, 195 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2513 839 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7545 1920 320 109 TPG Internet Pty Ltd
4755 1700 390 190 TATA Communications formerly
9829 1510 1205 40 National Internet Backbone
9583 1217 91 505 Sify Limited
7552 1160 1064 12 Vietel Corporation
9498 1107 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1033 2006 300 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 3020 3693 81 BellSouth.net Inc.
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 123 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications Inc.
20115 1667 1608 616 Charter Communications
4323 1619 1155 401 tw telecom holdings, inc.
7018 1327 10854 866 AT&T Services, Inc.
30036 1325 295 647 Mediacom Communications Corp
11492 1231 220 345 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 1727 544 16 Corbina telecom
2118 1349 97 13 EUnet/RELCOM Autonomous Syste
34984 1196 237 222 BILISIM TELEKOM
20940 824 286 653 Akamai Technologies European
13188 819 97 84 Ukraine
8551 815 370 43 Bezeq International
31148 791 39 21 FreeNet ISP
6830 771 2376 444 UPC Broadband
12479 685 782 67 France Telecom Espana SA
34744 676 173 56 SC GVM SISTEM 2003 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 2735 1528 113 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
7303 1723 1153 221 Telecom Argentina S.A.
8151 1232 2703 395 Uninet S.A. de C.V.
18881 934 780 19 Global Village Telecom
6503 902 435 70 Axtel, S.A.B. de C.V.
27947 767 88 93 Telconet S.A
3816 709 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 610 103 65 Alestra, S. de R.L. de C.V.
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 1237 80 4 MOBITEL
24863 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 444 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 210 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 3020 3693 81 BellSouth.net Inc.
28573 2735 1528 113 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
17974 2513 839 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 123 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications Inc.
7545 1920 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 2735 2622 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2630 2407 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2089 1878 Windstream Communications Inc
1785 1989 1866 PaeTec Communications, Inc.
22773 1973 1848 Cox Communications Inc.
7545 1920 1811 TPG Internet Pty Ltd
8402 1727 1711 Corbina telecom
4766 2142 1517 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.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA 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
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /10:31 /11:87 /12:249
/13:488 /14:880 /15:1565 /16:12639 /17:6634 /18:11103
/19:22086 /20:31997 /21:33991 /22:46762 /23:41778 /24:236890
/25:9 /26:11 /27:12 /28:136 /29:203 /30:111
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1733 3020 BellSouth.net Inc.
7029 1577 2089 Windstream Communications Inc
8402 1430 1727 Corbina telecom
22773 1282 1973 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1195 1325 Mediacom Communications Corp
11492 1192 1231 CABLE ONE, INC.
1785 1061 1989 PaeTec Communications, Inc.
6983 1008 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:760 2:759 3:3 4:12 5:879 6:7
8:553 12:1933 13:3 14:799 15:11 16:3
17:9 20:17 23:275 24:1767 27:1514 31:1296
32:38 33:2 34:5 36:28 37:1849 38:870
39:2 40:172 41:2896 42:187 44:6 46:1888
47:2 49:637 50:695 52:12 54:35 55:6
57:29 58:1060 59:566 60:299 61:1374 62:1101
63:2019 64:4310 65:2190 66:4351 67:2052 68:1127
69:3259 70:880 71:533 72:1922 74:2553 75:415
76:308 77:1080 78:1040 79:591 80:1245 81:996
82:630 83:556 84:529 85:1160 86:461 87:980
88:535 89:1783 90:163 91:5471 92:589 93:1698
94:1838 95:1491 96:529 97:344 98:1049 99:38
100:29 101:328 103:2575 105:535 106:153 107:209
108:502 109:1849 110:873 111:1054 112:511 113:775
114:703 115:932 116:893 117:779 118:1055 119:1236
120:401 121:712 122:1737 123:1193 124:1315 125:1348
128:599 129:198 130:311 131:645 132:335 133:149
134:248 135:66 136:220 137:261 138:344 139:194
140:180 141:314 142:531 143:388 144:482 145:92
146:495 147:390 148:679 149:371 150:150 151:568
152:417 153:199 154:42 155:393 156:261 157:342
158:276 159:644 160:357 161:404 162:420 163:222
164:591 165:444 166:297 167:583 168:1030 169:132
170:1025 171:178 172:22 173:1663 174:593 175:478
176:1283 177:1987 178:1878 179:6 180:1426 181:384
182:1193 183:386 184:676 185:437 186:2251 187:1283
188:2127 189:1296 190:6257 192:6597 193:5861 194:4673
195:3423 196:1344 197:964 198:4396 199:5253 200:5897
201:2235 202:8660 203:8723 204:4438 205:2549 206:2750
207:2827 208:4068 209:3590 210:2806 211:1551 212:2147
213:1955 214:902 215:97 216:5225 217:1589 218:604
219:314 220:1275 221:555 222:317 223:441
End of report