* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 11 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 438535
Prefixes after maximum aggregation: 181081
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 218519
Total ASes present in the Internet Routing Table: 39916
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34288
Origin ASes announcing only one prefix: 16025
Transit ASes present in the Internet Routing Table: 5620
Transit-only ASes present in the Internet Routing Table: 116
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: 948
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 4601
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9568
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2642648064
Equivalent to 157 /8s, 131 /16s and 156 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
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: 153403
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101288
Total APNIC prefixes after maximum aggregation: 31761
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 103032
Unique aggregates announced from the APNIC address blocks: 43975
APNIC Region origin ASes present in the Internet Routing Table: 4755
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 1255
APNIC Region transit ASes present in the Internet Routing Table: 773
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: 717858048
Equivalent to 42 /8s, 201 /16s and 165 /24s
Percentage of available APNIC address space announced: 83.9
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: 155072
Total ARIN prefixes after maximum aggregation: 78658
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155794
Unique aggregates announced from the ARIN address blocks: 71386
ARIN Region origin ASes present in the Internet Routing Table: 15473
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5884
ARIN Region transit ASes present in the Internet Routing Table: 1548
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: 1078041856
Equivalent to 64 /8s, 65 /16s and 157 /24s
Percentage of available ARIN address space announced: 57.0
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: 114549
Total RIPE prefixes after maximum aggregation: 58975
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117881
Unique aggregates announced from the RIPE address blocks: 75259
RIPE Region origin ASes present in the Internet Routing Table: 17080
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2765
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: 654313728
Equivalent to 39 /8s, 0 /16s and 9 /24s
Percentage of available RIPE address space announced: 95.1
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: 46615
Total LACNIC prefixes after maximum aggregation: 9210
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50377
Unique aggregates announced from the LACNIC address blocks: 23976
LACNIC Region origin ASes present in the Internet Routing Table: 1846
LACNIC Prefixes per ASN: 27.29
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 329
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: 3
Number of LACNIC addresses announced to Internet: 124430080
Equivalent to 7 /8s, 106 /16s and 167 /24s
Percentage of available LACNIC address space announced: 74.2
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: 10675
Total AfriNIC prefixes after maximum aggregation: 2426
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 11257
Unique aggregates announced from the AfriNIC address blocks: 3746
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 3.4
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: 45386496
Equivalent to 2 /8s, 180 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 45.1
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 2486 838 83 PT Telekomunikasi Indonesia
4766 2119 11550 626 Korea Telecom (KIX)
7545 1825 301 90 TPG Internet Pty Ltd
4755 1678 390 187 TATA Communications formerly
9829 1450 1158 43 National Internet Backbone
9583 1273 98 539 Sify Limited
7552 1152 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 Bharti Airtel Ltd., Telemedia
18101 1009 135 171 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 3049 3695 95 BellSouth.net Inc.
7029 2147 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1987 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1680 1611 620 Charter Communications
4323 1608 1155 400 tw telecom holdings, inc.
30036 1344 291 684 Mediacom Communications Corp
7018 1311 10841 859 AT&T Services, Inc.
11492 1207 221 334 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 1805 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1088 233 207 BILISIM TELEKOM
13188 837 99 35 Ukraine
12479 835 784 69 France Telecom Espana SA
8551 788 370 43 Bezeq International
31148 767 40 18 FreeNet ISP
20940 766 262 610 Akamai Technologies European
6830 714 2313 435 UPC Broadband
58113 655 72 390 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 2421 1332 85 Types of queries are: POCs, o
10620 2346 403 228 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1251 435 70 Axtel, S.A.B. de C.V.
8151 1202 2721 393 Uninet S.A. de C.V.
14754 944 129 77 Telgua
18881 810 716 18 Global Village Telecom
27947 765 87 94 Telconet S.A
3816 692 307 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 1078 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 516 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 206 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 3049 3695 95 BellSouth.net Inc.
17974 2486 838 83 PT Telekomunikasi Indonesia
28573 2421 1332 85 Types of queries are: POCs, o
10620 2346 403 228 Types of queries are: POCs, o
7029 2147 1266 215 Windstream Communications Inc
4766 2119 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1987 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
7545 1825 301 90 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 2486 2403 PT Telekomunikasi Indonesia
28573 2421 2336 Types of queries are: POCs, o
10620 2346 2118 Types of queries are: POCs, o
7029 2147 1932 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1987 1863 Cox Communications Inc.
1785 1957 1834 PaeTec Communications, Inc.
8402 1805 1789 Corbina telecom
7545 1825 1735 TPG Internet Pty Ltd
4766 2119 1493 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 7832 WW/Precision Communi
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
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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
/13:480 /14:866 /15:1561 /16:12591 /17:6648 /18:10852
/19:21692 /20:31422 /21:33462 /22:45589 /23:41084 /24:231281
/25:9 /26:11 /27:12 /28:142 /29:194 /30:100
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1751 3049 BellSouth.net Inc.
7029 1565 2147 Windstream Communications Inc
8402 1533 1805 Corbina telecom
22773 1302 1987 Cox Communications Inc.
30036 1228 1344 Mediacom Communications Corp
11492 1169 1207 CABLE ONE, INC.
36998 1072 1078 MOBITEL
1785 1038 1957 PaeTec Communications, Inc.
7011 952 1200 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:682 2:751 3:3 4:13 5:692 6:3
8:502 12:1932 13:3 14:725 15:11 16:3
17:8 20:24 23:248 24:1795 27:1453 31:1166
32:49 33:2 34:5 36:27 37:1327 38:855
39:2 40:159 41:2855 42:176 44:4 46:1752
47:1 49:607 50:655 52:12 54:28 55:9
57:31 58:1002 59:565 60:290 61:1338 62:1053
63:2038 64:4292 65:2174 66:4226 67:2055 68:1106
69:3270 70:863 71:522 72:1899 74:2552 75:407
76:287 77:1085 78:1028 79:568 80:1235 81:974
82:646 83:556 84:556 85:1161 86:476 87:948
88:375 89:1759 90:262 91:5435 92:602 93:1739
94:1870 95:1624 96:497 97:336 98:1036 99:37
100:28 101:300 103:2221 105:429 106:131 107:207
108:497 109:1803 110:826 111:1018 112:491 113:748
114:657 115:915 116:856 117:778 118:1011 119:1225
120:369 121:692 122:1709 123:1191 124:1287 125:1315
128:503 129:192 130:309 131:628 132:317 133:143
134:244 135:62 136:221 137:236 138:341 139:167
140:172 141:300 142:511 143:373 144:481 145:88
146:512 147:351 148:686 149:355 150:149 151:437
152:402 153:196 154:30 155:376 156:246 157:346
158:266 159:631 160:335 161:402 162:374 163:192
164:575 165:448 166:393 167:574 168:1004 169:129
170:1023 171:167 172:4 173:1590 174:579 175:424
176:1161 177:1740 178:1747 179:1 180:1374 181:270
182:1191 183:335 184:658 185:285 186:2322 187:1293
188:1926 189:1435 190:6639 192:6338 193:5672 194:4514
195:3488 196:1316 197:835 198:4145 199:5213 200:5944
201:2214 202:8611 203:8639 204:4422 205:2526 206:2689
207:2704 208:4067 209:3520 210:2782 211:1552 212:2041
213:1970 214:905 215:97 216:5182 217:1575 218:590
219:312 220:1259 221:546 222:314 223:420
End of report
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