* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 15 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 438863
Prefixes after maximum aggregation: 181247
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 218837
Total ASes present in the Internet Routing Table: 39928
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34303
Origin ASes announcing only one prefix: 16021
Transit ASes present in the Internet Routing Table: 5617
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: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 937
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 4614
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9720
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 201
Number of addresses announced to Internet: 2643324928
Equivalent to 157 /8s, 141 /16s and 240 /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: 153475
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101443
Total APNIC prefixes after maximum aggregation: 31763
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 103177
Unique aggregates announced from the APNIC address blocks: 44001
APNIC Region origin ASes present in the Internet Routing Table: 4760
APNIC Prefixes per ASN: 21.68
APNIC Region origin ASes announcing only one prefix: 1256
APNIC Region transit ASes present in the Internet Routing Table: 776
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 717568512
Equivalent to 42 /8s, 197 /16s and 58 /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: 155417
Total ARIN prefixes after maximum aggregation: 78788
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156092
Unique aggregates announced from the ARIN address blocks: 71551
ARIN Region origin ASes present in the Internet Routing Table: 15478
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5877
ARIN Region transit ASes present in the Internet Routing Table: 1550
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: 1078328832
Equivalent to 64 /8s, 69 /16s and 254 /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: 114326
Total RIPE prefixes after maximum aggregation: 59015
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117721
Unique aggregates announced from the RIPE address blocks: 75604
RIPE Region origin ASes present in the Internet Routing Table: 17079
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2762
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: 654429952
Equivalent to 39 /8s, 1 /16s and 207 /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: 46545
Total LACNIC prefixes after maximum aggregation: 9207
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50365
Unique aggregates announced from the LACNIC address blocks: 23783
LACNIC Region origin ASes present in the Internet Routing Table: 1850
LACNIC Prefixes per ASN: 27.22
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 330
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: 124714496
Equivalent to 7 /8s, 110 /16s and 254 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10703
Total AfriNIC prefixes after maximum aggregation: 2424
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11306
Unique aggregates announced from the AfriNIC address blocks: 3713
AfriNIC Region origin ASes present in the Internet Routing Table: 606
AfriNIC Prefixes per ASN: 18.66
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 45647616
Equivalent to 2 /8s, 184 /16s and 135 /24s
Percentage of available AfriNIC address space announced: 45.3
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 1829 301 90 TPG Internet Pty Ltd
4755 1701 392 194 TATA Communications formerly
9829 1455 1158 43 National Internet Backbone
9583 1287 98 535 Sify Limited
7552 1150 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 Bharti Airtel Ltd., Telemedia
18101 1008 135 172 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 3042 3695 94 BellSouth.net Inc.
7029 2229 1266 215 Windstream Communications Inc
18566 2078 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1680 1611 622 Charter Communications
4323 1608 1155 400 tw telecom holdings, inc.
30036 1329 292 691 Mediacom Communications Corp
7018 1311 10841 859 AT&T Services, Inc.
11492 1210 222 329 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 1797 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1094 233 207 BILISIM TELEKOM
12479 839 786 66 France Telecom Espana SA
13188 837 99 34 Ukraine
8551 790 370 43 Bezeq International
20940 783 273 623 Akamai Technologies European
31148 778 40 20 FreeNet ISP
6830 716 2314 437 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 2413 1333 87 Types of queries are: POCs, o
10620 2352 405 232 Types of queries are: POCs, o
7303 1670 1147 207 Telecom Argentina S.A.
8151 1204 2721 392 Uninet S.A. de C.V.
6503 1201 435 70 Axtel, S.A.B. de C.V.
14754 944 129 86 Telgua
18881 819 716 18 Global Village Telecom
27947 767 87 95 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 3042 3695 94 BellSouth.net Inc.
17974 2486 838 83 PT Telekomunikasi Indonesia
28573 2413 1333 87 Types of queries are: POCs, o
10620 2352 405 232 Types of queries are: POCs, o
7029 2229 1266 215 Windstream Communications Inc
4766 2116 11550 626 Korea Telecom (KIX)
18566 2078 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1958 677 123 PaeTec Communications, Inc.
7545 1829 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 2413 2326 Types of queries are: POCs, o
10620 2352 2120 Types of queries are: POCs, o
7029 2229 2014 Windstream Communications Inc
18566 2078 1895 Covad Communications Co.
22773 1993 1868 Cox Communications Inc.
1785 1958 1835 PaeTec Communications, Inc.
8402 1797 1781 Corbina telecom
7545 1829 1739 TPG Internet Pty Ltd
4755 1701 1507 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.
128.0.72.0/21 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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
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 /14:870 /15:1559 /16:12596 /17:6637 /18:10838
/19:21668 /20:31540 /21:33394 /22:45492 /23:41129 /24:231699
/25:9 /26:10 /27:12 /28:134 /29:176 /30:91
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1745 3042 BellSouth.net Inc.
7029 1609 2229 Windstream Communications Inc
8402 1524 1797 Corbina telecom
22773 1305 1993 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1212 1329 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
1785 1039 1958 PaeTec Communications, Inc.
7011 950 1198 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 2:760 3:3 4:13 5:696 6:3
8:509 12:1933 13:3 14:734 15:11 16:3
17:8 20:24 23:243 24:1793 27:1425 31:1185
32:39 33:2 34:5 36:27 37:1403 38:853
39:2 40:159 41:2716 42:176 44:4 46:1732
47:2 49:621 50:653 52:12 54:28 55:9
57:31 58:1002 59:577 60:292 61:1374 62:1016
63:2038 64:4294 65:2172 66:4261 67:2056 68:1114
69:3261 70:881 71:522 72:1897 74:2550 75:400
76:288 77:1088 78:1015 79:576 80:1238 81:979
82:650 83:558 84:559 85:1149 86:475 87:914
88:378 89:1757 90:262 91:5425 92:620 93:1714
94:1869 95:1559 96:497 97:336 98:1049 99:38
100:28 101:307 103:2262 105:517 106:131 107:207
108:497 109:1810 110:834 111:1032 112:491 113:749
114:656 115:949 116:860 117:790 118:993 119:1228
120:370 121:764 122:1704 123:1184 124:1286 125:1311
128:506 129:193 130:308 131:637 132:323 133:142
134:246 135:60 136:220 137:236 138:343 139:177
140:174 141:301 142:513 143:370 144:481 145:89
146:514 147:355 148:691 149:356 150:150 151:440
152:410 153:196 154:31 155:374 156:246 157:346
158:266 159:631 160:335 161:402 162:375 163:194
164:576 165:448 166:394 167:575 168:1009 169:129
170:1022 171:168 172:4 173:1587 174:574 175:428
176:1150 177:1802 178:1783 179:1 180:1376 181:276
182:1188 183:341 184:659 185:297 186:2353 187:1245
188:1915 189:1447 190:6573 192:6347 193:5681 194:4523
195:3471 196:1314 197:944 198:4147 199:5203 200:5954
201:2248 202:8588 203:8586 204:4427 205:2559 206:2693
207:2737 208:4069 209:3528 210:2793 211:1549 212:2033
213:1936 214:910 215:97 216:5183 217:1571 218:589
219:318 220:1259 221:538 222:314 223:477
End of report
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