* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 21 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437042
Prefixes after maximum aggregation: 180340
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217632
Total ASes present in the Internet Routing Table: 39780
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34187
Origin ASes announcing only one prefix: 15968
Transit ASes present in the Internet Routing Table: 5593
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 962
Unregistered ASNs in the Routing Table: 170
Number of 32-bit ASNs allocated by the RIRs: 3764
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9299
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2638030080
Equivalent to 157 /8s, 61 /16s and 37 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
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: 152805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100963
Total APNIC prefixes after maximum aggregation: 31683
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 102686
Unique aggregates announced from the APNIC address blocks: 43869
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.55
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 774
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: 717480960
Equivalent to 42 /8s, 195 /16s and 228 /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: 154455
Total ARIN prefixes after maximum aggregation: 78367
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155086
Unique aggregates announced from the ARIN address blocks: 71074
ARIN Region origin ASes present in the Internet Routing Table: 15396
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5834
ARIN Region transit ASes present in the Internet Routing Table: 1551
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: 1076235776
Equivalent to 64 /8s, 38 /16s and 14 /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: 114303
Total RIPE prefixes after maximum aggregation: 58759
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117518
Unique aggregates announced from the RIPE address blocks: 75185
RIPE Region origin ASes present in the Internet Routing Table: 17054
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2738
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653579264
Equivalent to 38 /8s, 244 /16s and 212 /24s
Percentage of available RIPE address space announced: 95.0
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: 46499
Total LACNIC prefixes after maximum aggregation: 9030
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50195
Unique aggregates announced from the LACNIC address blocks: 23595
LACNIC Region origin ASes present in the Internet Routing Table: 1814
LACNIC Prefixes per ASN: 27.67
LACNIC Region origin ASes announcing only one prefix: 531
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: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 123192064
Equivalent to 7 /8s, 87 /16s and 195 /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: 10766
Total AfriNIC prefixes after maximum aggregation: 2445
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 11362
Unique aggregates announced from the AfriNIC address blocks: 3733
AfriNIC Region origin ASes present in the Internet Routing Table: 599
AfriNIC Prefixes per ASN: 18.97
AfriNIC Region origin ASes announcing only one prefix: 182
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: 0
Number of AfriNIC addresses announced to Internet: 44930560
Equivalent to 2 /8s, 173 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 44.6
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 2473 820 79 PT Telekomunikasi Indonesia
4766 2124 11551 629 Korea Telecom (KIX)
7545 1821 301 89 TPG Internet Pty Ltd
4755 1664 382 188 TATA Communications formerly
9829 1424 1140 43 National Internet Backbone
9583 1199 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1062 310 75 BHARTI Airtel Ltd.
24560 1047 385 160 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 3059 3695 98 BellSouth.net Inc.
7029 2165 1265 209 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1989 2931 128 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
20115 1692 1610 617 Charter Communications
4323 1601 1155 397 tw telecom holdings, inc.
30036 1347 288 681 Mediacom Communications Corp
7018 1316 10585 866 AT&T Services, Inc.
7011 1205 316 688 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 1775 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1058 232 207 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 830 783 68 France Telecom Espana SA
31148 762 39 20 FreeNet ISP
20940 752 255 597 Akamai Technologies European
8551 733 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 681 185 39 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 2400 1328 86 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1378 435 69 Axtel, S.A.B. de C.V.
8151 1358 2825 392 Uninet S.A. de C.V.
14754 941 129 76 Telgua
18881 778 716 18 Global Village Telecom
27947 757 86 94 Telconet S.A
3816 689 307 87 Types of queries are: POCs, o
7738 613 1242 34 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 1285 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 529 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 200 11 6 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 3059 3695 98 BellSouth.net Inc.
17974 2473 820 79 PT Telekomunikasi Indonesia
28573 2400 1328 86 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7029 2165 1265 209 Windstream Communications Inc
4766 2124 11551 629 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1989 2931 128 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
7545 1821 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 2473 2394 PT Telekomunikasi Indonesia
28573 2400 2314 Types of queries are: POCs, o
10620 2319 2096 Types of queries are: POCs, o
7029 2165 1956 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1989 1861 Cox Communications Inc.
1785 1958 1834 PaeTec Communications, Inc.
8402 1775 1759 Corbina telecom
7545 1821 1732 TPG Internet Pty Ltd
4766 2124 1495 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 /12:248
/13:481 /14:864 /15:1553 /16:12523 /17:6613 /18:10933
/19:21723 /20:31197 /21:33247 /22:45181 /23:40735 /24:231002
/25:9 /26:11 /27:11 /28:141 /29:191 /30:93
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1757 3059 BellSouth.net Inc.
7029 1553 2165 Windstream Communications Inc
8402 1511 1775 Corbina telecom
22773 1304 1989 Cox Communications Inc.
36998 1279 1285 MOBITEL
30036 1238 1347 Mediacom Communications Corp
11492 1160 1197 CABLE ONE, INC.
1785 1039 1958 PaeTec Communications, Inc.
7011 959 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:656 2:745 3:3 4:13 5:751 6:3
8:497 12:1933 13:3 14:721 15:11 16:3
17:8 20:24 23:240 24:1795 27:1457 31:1152
32:49 33:2 34:5 36:11 37:1291 38:847
39:2 40:141 41:2798 42:177 44:4 46:1744
47:1 49:616 50:651 52:12 54:28 55:7
57:31 58:997 59:555 60:254 61:1319 62:1047
63:2019 64:4300 65:2167 66:4259 67:2030 68:1124
69:3261 70:860 71:522 72:1884 74:2545 75:415
76:291 77:1083 78:1020 79:565 80:1221 81:971
82:634 83:541 84:556 85:1153 86:478 87:930
88:378 89:1734 90:281 91:5429 92:622 93:1728
94:2071 95:1592 96:506 97:336 98:1040 99:49
100:29 101:307 103:2129 105:519 106:133 107:206
108:494 109:1766 110:833 111:1011 112:487 113:723
114:680 115:916 116:857 117:783 118:980 119:1231
120:355 121:682 122:1693 123:1195 124:1286 125:1313
128:500 129:187 130:303 131:632 132:311 133:143
134:247 135:62 136:220 137:231 138:341 139:156
140:190 141:302 142:503 143:367 144:476 145:88
146:523 147:344 148:689 149:348 150:154 151:398
152:399 153:191 154:28 155:369 156:239 157:336
158:263 159:626 160:331 161:397 162:368 163:191
164:569 165:441 166:435 167:573 168:1004 169:129
170:1022 171:164 172:4 173:1548 174:579 175:418
176:1094 177:1668 178:1723 180:1381 181:233 182:1174
183:330 184:638 185:243 186:2301 187:1419 188:1926
189:1510 190:6573 192:6293 193:5659 194:4507 195:3682
196:1306 197:965 198:4105 199:5184 200:5999 201:2193
202:8681 203:8652 204:4409 205:2532 206:2705 207:2744
208:4056 209:3498 210:2782 211:1550 212:2021 213:1925
214:902 215:91 216:5117 217:1581 218:592 219:309
220:1261 221:551 222:335 223:456
End of report
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