* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 07 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442365
Prefixes after maximum aggregation: 181945
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221543
Total ASes present in the Internet Routing Table: 40060
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 34438
Origin ASes announcing only one prefix: 16084
Transit ASes present in the Internet Routing Table: 5614
Transit-only ASes present in the Internet Routing Table: 122
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: 949
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 4692
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10275
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2646655232
Equivalent to 157 /8s, 192 /16s and 193 /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: 154916
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102422
Total APNIC prefixes after maximum aggregation: 31919
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104246
Unique aggregates announced from the APNIC address blocks: 44373
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 21.85
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 788
Average APNIC Region AS path length visible: 4.0
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: 719218944
Equivalent to 42 /8s, 222 /16s and 105 /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: 155814
Total ARIN prefixes after maximum aggregation: 78979
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156563
Unique aggregates announced from the ARIN address blocks: 72284
ARIN Region origin ASes present in the Internet Routing Table: 15530
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5923
ARIN Region transit ASes present in the Internet Routing Table: 1544
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: 1078709504
Equivalent to 64 /8s, 75 /16s and 205 /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: 115995
Total RIPE prefixes after maximum aggregation: 59234
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119714
Unique aggregates announced from the RIPE address blocks: 76890
RIPE Region origin ASes present in the Internet Routing Table: 17112
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8168
RIPE Region transit ASes present in the Internet Routing Table: 2752
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: 656146432
Equivalent to 39 /8s, 28 /16s and 0 /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: 46995
Total LACNIC prefixes after maximum aggregation: 9279
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50906
Unique aggregates announced from the LACNIC address blocks: 23909
LACNIC Region origin ASes present in the Internet Routing Table: 1878
LACNIC Prefixes per ASN: 27.11
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 341
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: 125810432
Equivalent to 7 /8s, 127 /16s and 183 /24s
Percentage of available LACNIC address space announced: 75.0
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: 10107
Total AfriNIC prefixes after maximum aggregation: 2486
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 10715
Unique aggregates announced from the AfriNIC address blocks: 3881
AfriNIC Region origin ASes present in the Internet Routing Table: 610
AfriNIC Prefixes per ASN: 17.57
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 44119808
Equivalent to 2 /8s, 161 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 43.8
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 1710 392 198 TATA Communications formerly
9829 1511 1205 40 National Internet Backbone
9583 1255 96 529 Sify Limited
7552 1118 1066 12 Vietel Corporation
9498 1062 308 70 BHARTI Airtel Ltd.
24560 1060 385 164 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 2098 1266 213 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2009 2929 125 Cox Communications Inc.
1785 1972 677 123 PaeTec Communications, Inc.
20115 1667 1610 609 Charter Communications
4323 1605 1154 396 tw telecom holdings, inc.
30036 1337 296 661 Mediacom Communications Corp
7018 1327 10840 868 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 1765 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 799 370 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 2549 1418 94 Types of queries are: POCs, o
10620 2352 407 235 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1206 2664 396 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
27947 773 87 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 696 307 87 Types of queries are: POCs, o
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 677 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 355 446 12 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
16637 176 698 90 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 3038 3694 88 BellSouth.net Inc.
28573 2549 1418 94 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2352 407 235 Types of queries are: POCs, o
4766 2145 11551 627 Korea Telecom (KIX)
7029 2098 1266 213 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2009 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 2549 2455 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2352 2117 Types of queries are: POCs, o
7029 2098 1885 Windstream Communications Inc
22773 2009 1884 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1972 1849 PaeTec Communications, Inc.
7545 1858 1763 TPG Internet Pty Ltd
8402 1765 1749 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 /11:87 /12:249
/13:483 /14:872 /15:1555 /16:12639 /17:6634 /18:10841
/19:21759 /20:31831 /21:33572 /22:45939 /23:41285 /24:233961
/25:9 /26:11 /27:12 /28:141 /29:192 /30:102
/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 1564 2098 Windstream Communications Inc
8402 1462 1765 Corbina telecom
22773 1314 2009 Cox Communications Inc.
30036 1214 1337 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)
----------------------------------------------
1:715 2:749 3:3 4:12 5:842 6:4
8:515 12:1919 13:3 14:748 15:11 16:3
17:9 20:19 23:253 24:1768 27:1434 31:1202
32:37 33:2 34:5 36:41 37:1680 38:853
39:2 40:164 41:2671 42:183 44:6 46:1760
47:2 49:614 50:670 52:12 54:29 55:10
57:30 58:1026 59:582 60:299 61:1430 62:999
63:2032 64:4267 65:2155 66:4270 67:2059 68:1115
69:3238 70:873 71:522 72:1877 74:2550 75:406
76:287 77:1088 78:1025 79:584 80:1246 81:979
82:623 83:573 84:568 85:1159 86:469 87:962
88:526 89:1786 90:281 91:5458 92:616 93:1707
94:1873 95:1532 96:503 97:340 98:1045 99:38
100:28 101:305 103:2367 105:488 106:126 107:207
108:494 109:1817 110:850 111:1039 112:497 113:767
114:677 115:1001 116:858 117:781 118:1009 119:1225
120:374 121:803 122:1691 123:1189 124:1299 125:1317
128:601 129:196 130:318 131:646 132:334 133:147
134:248 135:62 136:220 137:237 138:344 139:183
140:173 141:302 142:523 143:365 144:481 145:91
146:502 147:376 148:682 149:362 150:151 151:557
152:413 153:194 154:43 155:383 156:253 157:344
158:268 159:629 160:335 161:400 162:362 163:190
164:574 165:444 166:327 167:579 168:1010 169:132
170:1009 171:174 172:4 173:1590 174:585 175:439
176:1152 177:1886 178:2027 179:2 180:1378 181:303
182:1098 183:376 184:657 185:339 186:2414 187:1240
188:1988 189:1398 190:6644 192:6435 193:5654 194:4519
195:3467 196:1328 197:833 198:4262 199:5237 200:5933
201:2374 202:8695 203:8688 204:4435 205:2533 206:2700
207:2758 208:4050 209:3535 210:2802 211:1557 212:2057
213:1942 214:927 215:99 216:5178 217:1570 218:594
219:331 220:1267 221:544 222:317 223:499
End of report
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