* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 07 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 446987
Prefixes after maximum aggregation: 182893
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 223318
Total ASes present in the Internet Routing Table: 40234
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34558
Origin ASes announcing only one prefix: 16102
Transit ASes present in the Internet Routing Table: 5668
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 58
Max AS path prepend of ASN (50397187) 55
Prefixes from unregistered ASNs in the Routing Table: 817
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4753
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10140
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2636666880
Equivalent to 157 /8s, 40 /16s and 88 /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: 156275
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103123
Total APNIC prefixes after maximum aggregation: 31995
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105010
Unique aggregates announced from the APNIC address blocks: 44621
APNIC Region origin ASes present in the Internet Routing Table: 4788
APNIC Prefixes per ASN: 21.93
APNIC Region origin ASes announcing only one prefix: 1242
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: 719567360
Equivalent to 42 /8s, 227 /16s and 186 /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: 157454
Total ARIN prefixes after maximum aggregation: 79532
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158130
Unique aggregates announced from the ARIN address blocks: 72886
ARIN Region origin ASes present in the Internet Routing Table: 15606
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5953
ARIN Region transit ASes present in the Internet Routing Table: 1568
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: 1063394816
Equivalent to 63 /8s, 98 /16s and 30 /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: 117293
Total RIPE prefixes after maximum aggregation: 59605
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120833
Unique aggregates announced from the RIPE address blocks: 77598
RIPE Region origin ASes present in the Internet Routing Table: 17145
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2762
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: 656338944
Equivalent to 39 /8s, 30 /16s and 240 /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: 47264
Total LACNIC prefixes after maximum aggregation: 9203
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51242
Unique aggregates announced from the LACNIC address blocks: 24176
LACNIC Region origin ASes present in the Internet Routing Table: 1905
LACNIC Prefixes per ASN: 26.90
LACNIC Region origin ASes announcing only one prefix: 568
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: 128358912
Equivalent to 7 /8s, 166 /16s and 154 /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: 10995
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11578
Unique aggregates announced from the AfriNIC address blocks: 3858
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 18.50
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 46401792
Equivalent to 2 /8s, 196 /16s and 9 /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 2509 839 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1892 320 108 TPG Internet Pty Ltd
4755 1702 390 189 TATA Communications formerly
9829 1509 1205 40 National Internet Backbone
9583 1207 91 502 Sify Limited
7552 1162 1064 12 Vietel Corporation
9498 1097 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 3020 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 1972 2929 125 Cox Communications Inc.
20115 1671 1609 613 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1335 297 654 Mediacom Communications Corp
7018 1329 10854 866 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 1746 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1176 236 217 BILISIM TELEKOM
12479 840 785 66 France Telecom Espana SA
13188 833 99 64 Ukraine
8551 820 370 43 Bezeq International
20940 814 286 645 Akamai Technologies European
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 2681 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 1224 2696 390 Uninet S.A. de C.V.
6503 1012 435 70 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 1237 80 4 MOBITEL
24863 887 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
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 3020 3693 84 BellSouth.net Inc.
28573 2681 1470 108 Types of queries are: POCs, o
10620 2624 411 224 Types of queries are: POCs, o
17974 2509 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 1972 2929 125 Cox Communications Inc.
7545 1892 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 2681 2573 Types of queries are: POCs, o
17974 2509 2419 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 1972 1847 Cox Communications Inc.
7545 1892 1784 TPG Internet Pty Ltd
8402 1746 1730 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 /15:1566 /16:12634 /17:6652 /18:11103
/19:22063 /20:31952 /21:33912 /22:46743 /23:41660 /24:236328
/25:9 /26:11 /27:12 /28:138 /29:193 /30:108
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1728 3020 BellSouth.net Inc.
7029 1572 2085 Windstream Communications Inc
8402 1456 1746 Corbina telecom
22773 1282 1972 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1208 1335 Mediacom Communications Corp
11492 1201 1242 CABLE ONE, INC.
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 2:773 3:3 4:12 5:867 6:7
8:548 12:1921 13:3 14:753 15:11 16:3
17:9 20:17 23:272 24:1756 27:1496 31:1271
32:38 33:2 34:5 36:44 37:1819 38:865
39:2 40:172 41:2878 42:185 44:6 46:1875
47:2 49:632 50:674 52:12 54:32 55:8
57:29 58:1058 59:562 60:301 61:1370 62:1066
63:2043 64:4316 65:2166 66:4307 67:2045 68:1128
69:3244 70:873 71:531 72:1941 74:2549 75:409
76:292 77:1076 78:1037 79:581 80:1264 81:990
82:632 83:557 84:507 85:1166 86:461 87:981
88:540 89:1800 90:280 91:5448 92:635 93:1721
94:1854 95:1537 96:526 97:343 98:1046 99:38
100:28 101:319 103:2514 105:535 106:144 107:209
108:502 109:1839 110:863 111:1047 112:506 113:772
114:699 115:926 116:880 117:778 118:1054 119:1222
120:395 121:711 122:1723 123:1244 124:1314 125:1336
128:593 129:194 130:309 131:640 132:333 133:148
134:245 135:66 136:221 137:252 138:346 139:193
140:180 141:310 142:531 143:382 144:482 145:92
146:489 147:387 148:679 149:370 150:150 151:565
152:413 153:196 154:42 155:397 156:262 157:354
158:276 159:642 160:358 161:407 162:406 163:200
164:587 165:445 166:297 167:583 168:1024 169:133
170:1027 171:178 172:4 173:1597 174:584 175:458
176:1272 177:1897 178:1840 179:5 180:1406 181:419
182:1153 183:379 184:671 185:417 186:2314 187:1302
188:2050 189:1355 190:6262 192:6525 193:5846 194:4669
195:3459 196:1353 197:961 198:4358 199:5250 200:5912
201:2409 202:8682 203:8745 204:4444 205:2539 206:2748
207:2815 208:4048 209:3577 210:2824 211:1545 212:2100
213:1916 214:886 215:95 216:5240 217:1589 218:604
219:314 220:1274 221:555 222:313 223:437
End of report
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