* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 06 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442225
Prefixes after maximum aggregation: 181841
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221373
Total ASes present in the Internet Routing Table: 40053
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 34436
Origin ASes announcing only one prefix: 16075
Transit ASes present in the Internet Routing Table: 5609
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 950
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4688
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10286
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 223
Number of addresses announced to Internet: 2648820224
Equivalent to 157 /8s, 225 /16s and 202 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 154898
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102347
Total APNIC prefixes after maximum aggregation: 31911
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104173
Unique aggregates announced from the APNIC address blocks: 44321
APNIC Region origin ASes present in the Internet Routing Table: 4775
APNIC Prefixes per ASN: 21.82
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 789
Average APNIC Region AS path length visible: 4.1
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: 719059968
Equivalent to 42 /8s, 219 /16s and 252 /24s
Percentage of available APNIC address space announced: 84.0
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: 155922
Total ARIN prefixes after maximum aggregation: 78984
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156590
Unique aggregates announced from the ARIN address blocks: 72261
ARIN Region origin ASes present in the Internet Routing Table: 15536
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5925
ARIN Region transit ASes present in the Internet Routing Table: 1543
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1078771712
Equivalent to 64 /8s, 76 /16s and 192 /24s
Percentage of available ARIN address space announced: 57.1
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: 115918
Total RIPE prefixes after maximum aggregation: 59221
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119650
Unique aggregates announced from the RIPE address blocks: 76859
RIPE Region origin ASes present in the Internet Routing Table: 17102
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2747
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656001792
Equivalent to 39 /8s, 25 /16s and 203 /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: 46810
Total LACNIC prefixes after maximum aggregation: 9201
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 50806
Unique aggregates announced from the LACNIC address blocks: 23928
LACNIC Region origin ASes present in the Internet Routing Table: 1877
LACNIC Prefixes per ASN: 27.07
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 340
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: 126077184
Equivalent to 7 /8s, 131 /16s and 201 /24s
Percentage of available LACNIC address space announced: 75.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 10182
Total AfriNIC prefixes after maximum aggregation: 2475
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 10782
Unique aggregates announced from the AfriNIC address blocks: 3795
AfriNIC Region origin ASes present in the Internet Routing Table: 607
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 182
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: 46188800
Equivalent to 2 /8s, 192 /16s and 201 /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 2509 840 86 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1858 302 95 TPG Internet Pty Ltd
4755 1711 392 198 TATA Communications formerly
9829 1500 1205 40 National Internet Backbone
9583 1255 96 529 Sify Limited
7552 1117 1066 17 Vietel Corporation
9498 1061 308 70 BHARTI Airtel Ltd.
24560 1059 384 164 Bharti Airtel Ltd., Telemedia
4808 1024 2003 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 3038 3694 88 BellSouth.net Inc.
7029 2086 1266 213 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2008 2929 125 Cox Communications Inc.
1785 1972 677 123 PaeTec Communications, Inc.
20115 1667 1610 609 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1336 296 660 Mediacom Communications Corp
7018 1317 10837 860 AT&T Services, Inc.
11492 1216 223 331 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 1757 544 16 Corbina telecom
34984 1131 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 811 284 646 Akamai Technologies European
8551 802 370 43 Bezeq International
31148 790 41 20 FreeNet ISP
6830 735 2314 436 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 2564 1418 94 Types of queries are: POCs, o
10620 2344 406 236 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1206 2664 397 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 950 130 88 Telgua
18881 850 716 18 Global Village Telecom
11830 716 364 14 Instituto Costarricense de El
3816 696 307 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 671 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 209 11 7 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 3038 3694 88 BellSouth.net Inc.
28573 2564 1418 94 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2344 406 236 Types of queries are: POCs, o
4766 2145 11551 627 Korea Telecom (KIX)
7029 2086 1266 213 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2008 2929 125 Cox Communications Inc.
1785 1972 677 123 PaeTec Communications, Inc.
7545 1858 302 95 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 2564 2470 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2344 2108 Types of queries are: POCs, o
18566 2065 1883 Covad Communications Co.
22773 2008 1883 Cox Communications Inc.
7029 2086 1873 Windstream Communications Inc
1785 1972 1849 PaeTec Communications, Inc.
7545 1858 1763 TPG Internet Pty Ltd
8402 1757 1741 Corbina telecom
4766 2145 1518 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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
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 /8:18 /9:13 /10:30 /11:88 /12:249
/13:483 /14:872 /15:1555 /16:12635 /17:6633 /18:10821
/19:21762 /20:31816 /21:33544 /22:46020 /23:41292 /24:233795
/25:9 /26:11 /27:12 /28:140 /29:194 /30:103
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1554 2086 Windstream Communications Inc
8402 1456 1757 Corbina telecom
22773 1314 2008 Cox Communications Inc.
30036 1213 1336 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1045 1972 PaeTec Communications, Inc.
6983 929 1040 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:714 2:750 3:3 4:12 5:842 6:4
8:514 12:1919 13:3 14:749 15:11 16:3
17:9 20:19 23:253 24:1765 27:1433 31:1204
32:37 33:2 34:5 36:42 37:1680 38:855
39:2 40:164 41:2750 42:184 44:6 46:1772
47:2 49:615 50:667 52:12 54:29 55:8
57:30 58:1026 59:582 60:299 61:1430 62:998
63:2033 64:4255 65:2178 66:4270 67:2058 68:1115
69:3240 70:873 71:522 72:1888 74:2549 75:407
76:287 77:1088 78:1025 79:582 80:1240 81:980
82:616 83:581 84:569 85:1161 86:468 87:962
88:526 89:1783 90:281 91:5457 92:616 93:1701
94:1872 95:1532 96:502 97:340 98:1045 99:38
100:28 101:307 103:2333 105:486 106:126 107:207
108:495 109:1814 110:851 111:1041 112:491 113:765
114:677 115:989 116:856 117:781 118:1015 119:1226
120:374 121:802 122:1699 123:1185 124:1296 125:1316
128:599 129:196 130:318 131:647 132:333 133:147
134:248 135:62 136:220 137:241 138:345 139:182
140:174 141:302 142:525 143:364 144:481 145:93
146:503 147:376 148:683 149:363 150:153 151:554
152:414 153:194 154:43 155:381 156:257 157:260
158:270 159:629 160:334 161:400 162:362 163:190
164:574 165:446 166:326 167:579 168:1010 169:132
170:1019 171:174 172:4 173:1589 174:579 175:439
176:1150 177:1882 178:2022 179:2 180:1379 181:298
182:1098 183:377 184:659 185:338 186:2345 187:1246
188:1986 189:1398 190:6590 192:6421 193:5663 194:4516
195:3471 196:1324 197:835 198:4259 199:5238 200:5944
201:2364 202:8686 203:8695 204:4437 205:2525 206:2700
207:2757 208:4053 209:3531 210:2804 211:1558 212:2054
213:1945 214:925 215:99 216:5183 217:1572 218:594
219:331 220:1267 221:544 222:317 223:495
End of report
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