* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 06 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 446586
Prefixes after maximum aggregation: 182868
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 223178
Total ASes present in the Internet Routing Table: 40235
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 34567
Origin ASes announcing only one prefix: 16108
Transit ASes present in the Internet Routing Table: 5660
Transit-only ASes present in the Internet Routing Table: 130
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (50397187) 24
Prefixes from unregistered ASNs in the Routing Table: 816
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4752
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10165
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2637451264
Equivalent to 157 /8s, 52 /16s and 80 /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: 156110
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103090
Total APNIC prefixes after maximum aggregation: 32030
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104951
Unique aggregates announced from the APNIC address blocks: 44617
APNIC Region origin ASes present in the Internet Routing Table: 4789
APNIC Prefixes per ASN: 21.92
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 795
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: 719517440
Equivalent to 42 /8s, 226 /16s and 247 /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: 157353
Total ARIN prefixes after maximum aggregation: 79486
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158016
Unique aggregates announced from the ARIN address blocks: 72796
ARIN Region origin ASes present in the Internet Routing Table: 15607
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5954
ARIN Region transit ASes present in the Internet Routing Table: 1564
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: 1063375360
Equivalent to 63 /8s, 97 /16s and 210 /24s
Percentage of available ARIN address space announced: 56.3
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: 117244
Total RIPE prefixes after maximum aggregation: 59594
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120788
Unique aggregates announced from the RIPE address blocks: 77551
RIPE Region origin ASes present in the Internet Routing Table: 17147
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8158
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: 657201664
Equivalent to 39 /8s, 44 /16s and 26 /24s
Percentage of available RIPE address space announced: 95.5
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: 47298
Total LACNIC prefixes after maximum aggregation: 9202
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51312
Unique aggregates announced from the LACNIC address blocks: 24196
LACNIC Region origin ASes present in the Internet Routing Table: 1903
LACNIC Prefixes per ASN: 26.96
LACNIC Region origin ASes announcing only one prefix: 567
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: 128343296
Equivalent to 7 /8s, 166 /16s and 93 /24s
Percentage of available LACNIC address space announced: 76.5
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: 10740
Total AfriNIC prefixes after maximum aggregation: 2516
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 11325
Unique aggregates announced from the AfriNIC address blocks: 3839
AfriNIC Region origin ASes present in the Internet Routing Table: 624
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.5
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: 46408448
Equivalent to 2 /8s, 196 /16s and 35 /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 2508 839 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1892 320 109 TPG Internet Pty Ltd
4755 1702 390 189 TATA Communications formerly
9829 1509 1205 40 National Internet Backbone
9583 1262 96 526 Sify Limited
7552 1162 1064 12 Vietel Corporation
9498 1099 310 73 BHARTI Airtel Ltd.
24560 1070 393 167 Bharti Airtel Ltd., Telemedia
4808 1032 2006 302 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 3021 3693 84 BellSouth.net Inc.
7029 2085 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1991 677 125 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications Inc.
20115 1671 1609 613 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1334 297 655 Mediacom Communications Corp
7018 1329 10854 865 AT&T Services, Inc.
11492 1242 228 331 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 1739 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1171 235 214 BILISIM TELEKOM
12479 840 785 66 France Telecom Espana SA
13188 833 99 64 Ukraine
20940 823 291 652 Akamai Technologies European
8551 822 370 43 Bezeq International
31148 795 41 21 FreeNet ISP
6830 772 2376 445 UPC Broadband
34744 672 180 53 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 2672 1470 108 Types of queries are: POCs, o
10620 2624 411 224 Types of queries are: POCs, o
7303 1689 1157 219 Telecom Argentina S.A.
8151 1225 2698 390 Uninet S.A. de C.V.
6503 1011 435 69 Axtel, S.A.B. de C.V.
18881 914 780 19 Global Village Telecom
27947 788 88 95 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 1117 80 4 MOBITEL
24863 887 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 460 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 21 Etisalat MISR
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 3021 3693 84 BellSouth.net Inc.
28573 2672 1470 108 Types of queries are: POCs, o
10620 2624 411 224 Types of queries are: POCs, o
17974 2508 839 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7029 2085 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1991 677 125 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications Inc.
7545 1892 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 2672 2564 Types of queries are: POCs, o
17974 2508 2418 PT Telekomunikasi Indonesia
10620 2624 2400 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2085 1874 Windstream Communications Inc
1785 1991 1866 PaeTec Communications, Inc.
22773 1971 1846 Cox Communications Inc.
7545 1892 1783 TPG Internet Pty Ltd
8402 1739 1723 Corbina telecom
4766 2141 1515 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.
128.0.52.0/24 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
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
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 /10:30 /11:88 /12:251
/13:489 /14:885 /15:1567 /16:12643 /17:6655 /18:11097
/19:22066 /20:31963 /21:33876 /22:46716 /23:41646 /24:236004
/25:9 /26:11 /27:12 /28:134 /29:183 /30:106
/31:0 /32:125
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1729 3021 BellSouth.net Inc.
7029 1572 2085 Windstream Communications Inc
8402 1448 1739 Corbina telecom
22773 1281 1971 Cox Communications Inc.
30036 1207 1334 Mediacom Communications Corp
11492 1201 1242 CABLE ONE, INC.
36998 1111 1117 MOBITEL
1785 1061 1991 PaeTec Communications, Inc.
6983 1007 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:744 2:759 3:3 4:12 5:872 6:7
8:548 12:1917 13:3 14:752 15:11 16:3
17:9 20:18 23:272 24:1758 27:1496 31:1275
32:38 33:2 34:5 36:44 37:1820 38:862
39:2 40:172 41:2784 42:185 44:6 46:1874
47:2 49:630 50:674 52:12 54:32 55:7
57:29 58:1054 59:562 60:301 61:1374 62:1060
63:2036 64:4316 65:2168 66:4308 67:2034 68:1112
69:3239 70:873 71:531 72:1942 74:2549 75:410
76:292 77:1076 78:1046 79:581 80:1265 81:990
82:632 83:554 84:526 85:1167 86:461 87:980
88:540 89:1796 90:280 91:5447 92:634 93:1718
94:1855 95:1530 96:526 97:342 98:1048 99:38
100:28 101:318 103:2516 105:463 106:143 107:209
108:502 109:1846 110:862 111:1045 112:506 113:769
114:698 115:925 116:879 117:778 118:1053 119:1218
120:395 121:708 122:1729 123:1233 124:1315 125:1338
128:594 129:193 130:301 131:640 132:280 133:148
134:245 135:66 136:221 137:252 138:346 139:193
140:180 141:310 142:531 143:381 144:481 145:92
146:488 147:374 148:677 149:370 150:150 151:565
152:413 153:195 154:41 155:397 156:261 157:354
158:276 159:642 160:354 161:405 162:407 163:200
164:587 165:445 166:297 167:582 168:1023 169:133
170:1027 171:178 172:4 173:1603 174:587 175:457
176:1277 177:1945 178:1836 179:5 180:1403 181:420
182:1139 183:380 184:673 185:409 186:2296 187:1301
188:2052 189:1361 190:6308 192:6521 193:5843 194:4672
195:3457 196:1341 197:913 198:4356 199:5259 200:5913
201:2395 202:8678 203:8741 204:4416 205:2538 206:2748
207:2817 208:4049 209:3608 210:2826 211:1544 212:2100
213:1914 214:886 215:98 216:5242 217:1571 218:604
219:315 220:1274 221:555 222:313 223:438
End of report
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