* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 12 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437646
Prefixes after maximum aggregation: 181034
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 218166
Total ASes present in the Internet Routing Table: 39896
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 34264
Origin ASes announcing only one prefix: 16018
Transit ASes present in the Internet Routing Table: 5624
Transit-only ASes present in the Internet Routing Table: 118
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: 935
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4603
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9526
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2642470656
Equivalent to 157 /8s, 128 /16s and 231 /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: 152553
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101373
Total APNIC prefixes after maximum aggregation: 31805
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 103127
Unique aggregates announced from the APNIC address blocks: 44056
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 21.61
APNIC Region origin ASes announcing only one prefix: 1263
APNIC Region transit ASes present in the Internet Routing Table: 778
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: 717897728
Equivalent to 42 /8s, 202 /16s and 64 /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: 154637
Total ARIN prefixes after maximum aggregation: 78619
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155321
Unique aggregates announced from the ARIN address blocks: 70979
ARIN Region origin ASes present in the Internet Routing Table: 15454
ARIN Prefixes per ASN: 10.05
ARIN Region origin ASes announcing only one prefix: 5878
ARIN Region transit ASes present in the Internet Routing Table: 1549
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: 1077791488
Equivalent to 64 /8s, 61 /16s and 203 /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: 114088
Total RIPE prefixes after maximum aggregation: 58968
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117415
Unique aggregates announced from the RIPE address blocks: 75467
RIPE Region origin ASes present in the Internet Routing Table: 17074
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2770
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: 654424576
Equivalent to 39 /8s, 1 /16s and 186 /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: 46434
Total LACNIC prefixes after maximum aggregation: 9171
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50152
Unique aggregates announced from the LACNIC address blocks: 23755
LACNIC Region origin ASes present in the Internet Routing Table: 1835
LACNIC Prefixes per ASN: 27.33
LACNIC Region origin ASes announcing only one prefix: 544
LACNIC Region transit ASes present in the Internet Routing Table: 325
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: 124351488
Equivalent to 7 /8s, 105 /16s and 116 /24s
Percentage of available LACNIC address space announced: 74.1
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: 10834
Total AfriNIC prefixes after maximum aggregation: 2421
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 11436
Unique aggregates announced from the AfriNIC address blocks: 3731
AfriNIC Region origin ASes present in the Internet Routing Table: 606
AfriNIC Prefixes per ASN: 18.87
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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 2116 11550 626 Korea Telecom (KIX)
7545 1824 301 89 TPG Internet Pty Ltd
4755 1681 390 188 TATA Communications formerly
9829 1437 1158 43 National Internet Backbone
9583 1282 98 534 Sify Limited
7552 1152 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 Bharti Airtel Ltd., Telemedia
18101 1008 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 1607 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 1776 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1089 233 207 BILISIM TELEKOM
13188 839 99 30 Ukraine
12479 835 784 69 France Telecom Espana SA
8551 790 370 43 Bezeq International
31148 768 40 18 FreeNet ISP
20940 765 263 609 Akamai Technologies European
6830 714 2313 435 UPC Broadband
58113 662 73 384 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 2419 1332 85 Types of queries are: POCs, o
10620 2342 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 1204 2721 393 Uninet S.A. de C.V.
14754 944 129 77 Telgua
18881 815 716 18 Global Village Telecom
27947 765 87 94 Telconet S.A
3816 693 307 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 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 510 958 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 2419 1332 85 Types of queries are: POCs, o
10620 2342 403 228 Types of queries are: POCs, o
7029 2147 1266 215 Windstream Communications Inc
4766 2116 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 1824 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 2486 2403 PT Telekomunikasi Indonesia
28573 2419 2334 Types of queries are: POCs, o
10620 2342 2114 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 1776 1760 Corbina telecom
7545 1824 1735 TPG Internet Pty Ltd
4755 1681 1493 TATA Communications formerly
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 /14:868 /15:1560 /16:12584 /17:6639 /18:10849
/19:21682 /20:31363 /21:33437 /22:45509 /23:41061 /24:230608
/25:9 /26:11 /27:12 /28:141 /29:192 /30:100
/31:0 /32:143
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 1502 1776 Corbina telecom
22773 1302 1987 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1228 1344 Mediacom Communications Corp
11492 1169 1207 CABLE ONE, INC.
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)
----------------------------------------------
1:665 2:751 3:3 4:13 5:698 6:3
8:503 12:1932 13:3 14:724 15:11 16:3
17:8 20:24 23:242 24:1794 27:1444 31:1098
32:48 33:2 34:5 36:27 37:1310 38:844
39:2 40:159 41:2831 42:177 44:4 46:1751
47:1 49:609 50:656 52:12 54:28 55:9
57:31 58:1002 59:564 60:291 61:1338 62:1042
63:2037 64:4242 65:2175 66:4237 67:2044 68:1090
69:3178 70:858 71:522 72:1866 74:2535 75:401
76:287 77:1084 78:989 79:568 80:1234 81:975
82:648 83:555 84:551 85:1150 86:476 87:942
88:350 89:1748 90:262 91:5433 92:601 93:1735
94:1842 95:1603 96:401 97:320 98:1035 99:38
100:28 101:304 103:2257 105:517 106:131 107:207
108:481 109:1781 110:832 111:1024 112:491 113:713
114:683 115:916 116:862 117:790 118:992 119:1229
120:369 121:690 122:1703 123:1191 124:1288 125:1313
128:505 129:192 130:308 131:637 132:328 133:143
134:245 135:62 136:220 137:236 138:328 139:167
140:172 141:300 142:511 143:379 144:482 145:88
146:515 147:352 148:688 149:355 150:149 151:434
152:407 153:196 154:30 155:376 156:245 157:346
158:266 159:632 160:336 161:398 162:374 163:192
164:575 165:448 166:393 167:574 168:1005 169:129
170:1023 171:167 172:4 173:1585 174:557 175:425
176:1157 177:1666 178:1746 179:1 180:1371 181:268
182:1192 183:335 184:657 185:287 186:2293 187:1252
188:1917 189:1430 190:6601 192:6351 193:5663 194:4519
195:3476 196:1318 197:952 198:4145 199:5193 200:5974
201:2224 202:8649 203:8635 204:4401 205:2526 206:2683
207:2703 208:4048 209:3520 210:2786 211:1552 212:2041
213:1932 214:906 215:97 216:5156 217:1560 218:589
219:312 220:1259 221:537 222:314 223:469
End of report
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