* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 06 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 435471
Prefixes after maximum aggregation: 179897
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216955
Total ASes present in the Internet Routing Table: 39719
Prefixes per ASN: 10.96
Origin-only ASes present in the Internet Routing Table: 34156
Origin ASes announcing only one prefix: 15971
Transit ASes present in the Internet Routing Table: 5563
Transit-only ASes present in the Internet Routing Table: 125
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: 971
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3734
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9120
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2636059920
Equivalent to 157 /8s, 31 /16s and 21 /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: 94.3
Total number of prefixes smaller than registry allocations: 152200
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100573
Total APNIC prefixes after maximum aggregation: 31714
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 102258
Unique aggregates announced from the APNIC address blocks: 43822
APNIC Region origin ASes present in the Internet Routing Table: 4767
APNIC Prefixes per ASN: 21.45
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 773
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 717228288
Equivalent to 42 /8s, 192 /16s and 9 /24s
Percentage of available APNIC address space announced: 83.8
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: 154044
Total ARIN prefixes after maximum aggregation: 78243
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154711
Unique aggregates announced from the ARIN address blocks: 70789
ARIN Region origin ASes present in the Internet Routing Table: 15372
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5828
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 0
Number of ARIN addresses announced to Internet: 1075813888
Equivalent to 64 /8s, 31 /16s and 158 /24s
Percentage of available ARIN address space announced: 56.9
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: 114136
Total RIPE prefixes after maximum aggregation: 58488
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117232
Unique aggregates announced from the RIPE address blocks: 74967
RIPE Region origin ASes present in the Internet Routing Table: 17034
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8168
RIPE Region transit ASes present in the Internet Routing Table: 2732
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: 0
Number of RIPE addresses announced to Internet: 652996624
Equivalent to 38 /8s, 235 /16s and 240 /24s
Percentage of available RIPE address space announced: 94.9
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: 46165
Total LACNIC prefixes after maximum aggregation: 8984
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 49800
Unique aggregates announced from the LACNIC address blocks: 23486
LACNIC Region origin ASes present in the Internet Routing Table: 1793
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 526
LACNIC Region transit ASes present in the Internet Routing Table: 322
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 123084800
Equivalent to 7 /8s, 86 /16s and 32 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10667
Total AfriNIC prefixes after maximum aggregation: 2415
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11269
Unique aggregates announced from the AfriNIC address blocks: 3711
AfriNIC Region origin ASes present in the Internet Routing Table: 597
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44321536
Equivalent to 2 /8s, 164 /16s and 75 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2447 818 75 PT Telekomunikasi Indonesia
4766 2121 11549 627 Korea Telecom (KIX)
7545 1820 301 89 TPG Internet Pty Ltd
4755 1659 382 188 TATA Communications formerly
9829 1429 1148 44 National Internet Backbone
9583 1199 90 507 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1053 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 170 Reliance Infocom Ltd Internet
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 3089 3698 112 BellSouth.net Inc.
7029 2273 1265 211 Windstream Communications Inc
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
20115 1688 1609 623 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1338 287 699 Mediacom Communications Corp
7018 1306 10584 866 AT&T Services, Inc.
7011 1198 314 681 Frontier Communications of Am
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 1798 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1000 231 208 BILISIM TELEKOM
13188 853 99 22 Ukraine
12479 838 780 66 France Telecom Espana SA
31148 757 39 17 FreeNet ISP
20940 744 254 590 Akamai Technologies European
8551 734 367 39 Bezeq International
6830 714 2313 435 UPC Broadband
34744 669 186 47 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 2354 1325 86 Types of queries are: POCs, o
10620 2309 395 223 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1465 435 69 Axtel, S.A.B. de C.V.
8151 1385 2871 378 Uninet S.A. de C.V.
14754 913 115 73 Telgua
18881 756 716 18 Global Village Telecom
27947 753 86 93 Telconet S.A
3816 676 307 85 Types of queries are: POCs, o
11172 604 102 67 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 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 531 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 203 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3089 3698 112 BellSouth.net Inc.
17974 2447 818 75 PT Telekomunikasi Indonesia
28573 2354 1325 86 Types of queries are: POCs, o
10620 2309 395 223 Types of queries are: POCs, o
7029 2273 1265 211 Windstream Communications Inc
4766 2121 11549 627 Korea Telecom (KIX)
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
7545 1820 301 89 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
17974 2447 2372 PT Telekomunikasi Indonesia
28573 2354 2268 Types of queries are: POCs, o
10620 2309 2086 Types of queries are: POCs, o
7029 2273 2062 Windstream Communications Inc
18566 2077 1896 Covad Communications Co.
22773 1964 1836 Cox Communications Inc.
1785 1951 1827 PaeTec Communications, Inc.
8402 1798 1782 Corbina telecom
7545 1820 1731 TPG Internet Pty Ltd
4766 2121 1494 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.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /12:247
/13:480 /14:867 /15:1556 /16:12525 /17:6621 /18:10888
/19:21718 /20:31129 /21:33220 /22:44787 /23:40488 /24:230190
/25:9 /26:11 /27:11 /28:144 /29:189 /30:99
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1768 3089 BellSouth.net Inc.
7029 1636 2273 Windstream Communications Inc
8402 1536 1798 Corbina telecom
22773 1291 1964 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1230 1338 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1033 1951 PaeTec Communications, Inc.
6503 979 1465 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:628 2:736 3:3 4:13 5:749 6:3
8:486 11:1 12:1930 13:3 14:700 15:11
16:3 17:8 20:24 23:239 24:1794 27:1479
31:1146 32:49 33:2 34:5 36:10 37:1295
38:840 39:2 40:139 41:2814 42:179 44:4
46:1721 47:1 49:547 50:637 52:12 54:28
55:7 57:31 58:998 59:555 60:246 61:1301
62:1045 63:2025 64:4331 65:2153 66:4263 67:2016
68:1121 69:3227 70:859 71:534 72:1877 74:2532
75:420 76:291 77:1062 78:1018 79:553 80:1224
81:993 82:649 83:537 84:576 85:1149 86:480
87:983 88:373 89:1741 90:287 91:5381 92:624
93:1706 94:2025 95:1604 96:489 97:334 98:1051
99:49 100:29 101:303 103:2054 105:519 106:131
107:208 108:491 109:1750 110:825 111:1001 112:480
113:722 114:680 115:910 116:853 117:777 118:972
119:1232 120:376 121:682 122:1697 123:1189 124:1284
125:1306 128:503 129:188 130:300 131:640 132:320
133:143 134:247 135:62 136:218 137:230 138:339
139:153 140:190 141:302 142:494 143:366 144:472
145:89 146:519 147:330 148:712 149:340 150:156
151:348 152:399 153:190 154:24 155:364 156:237
157:349 158:258 159:627 160:334 161:399 162:370
163:190 164:576 165:444 166:457 167:573 168:1003
169:129 170:1011 171:164 172:4 173:1544 174:615
175:424 176:1071 177:1637 178:1727 180:1375 181:222
182:1141 183:322 184:628 185:206 186:2229 187:1475
188:1954 189:1543 190:6570 192:6255 193:5675 194:4645
195:3661 196:1307 197:890 198:4070 199:5164 200:5953
201:2183 202:8619 203:8654 204:4393 205:2530 206:2707
207:2736 208:4048 209:3500 210:2796 211:1559 212:2024
213:1884 214:880 215:93 216:5067 217:1576 218:578
219:308 220:1264 221:551 222:329 223:413
End of report
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