* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 18 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430304
Prefixes after maximum aggregation: 178473
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 214903
Total ASes present in the Internet Routing Table: 39487
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 33981
Origin ASes announcing only one prefix: 15887
Transit ASes present in the Internet Routing Table: 5506
Transit-only ASes present in the Internet Routing Table: 121
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: 1821
Unregistered ASNs in the Routing Table: 475
Number of 32-bit ASNs allocated by the RIRs: 3587
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8614
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 181
Number of addresses announced to Internet: 2639621136
Equivalent to 157 /8s, 85 /16s and 108 /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: 94.1
Total number of prefixes smaller than registry allocations: 150800
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99432
Total APNIC prefixes after maximum aggregation: 31294
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 100983
Unique aggregates announced from the APNIC address blocks: 43299
APNIC Region origin ASes present in the Internet Routing Table: 4761
APNIC Prefixes per ASN: 21.21
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 755
Average APNIC Region AS path length visible: 4.0
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: 714805760
Equivalent to 42 /8s, 155 /16s and 18 /24s
Percentage of available APNIC address space announced: 83.5
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: 154432
Total ARIN prefixes after maximum aggregation: 77855
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155095
Unique aggregates announced from the ARIN address blocks: 70366
ARIN Region origin ASes present in the Internet Routing Table: 15273
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5786
ARIN Region transit ASes present in the Internet Routing Table: 1528
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1089165568
Equivalent to 64 /8s, 235 /16s and 89 /24s
Percentage of available ARIN address space announced: 57.6
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: 112523
Total RIPE prefixes after maximum aggregation: 58073
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115433
Unique aggregates announced from the RIPE address blocks: 74298
RIPE Region origin ASes present in the Internet Routing Table: 16984
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 650107408
Equivalent to 38 /8s, 191 /16s and 218 /24s
Percentage of available RIPE address space announced: 94.5
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: 44597
Total LACNIC prefixes after maximum aggregation: 8840
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48072
Unique aggregates announced from the LACNIC address blocks: 23133
LACNIC Region origin ASes present in the Internet Routing Table: 1732
LACNIC Prefixes per ASN: 27.76
LACNIC Region origin ASes announcing only one prefix: 499
LACNIC Region transit ASes present in the Internet Routing Table: 312
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: 120060416
Equivalent to 7 /8s, 39 /16s and 250 /24s
Percentage of available LACNIC address space announced: 71.6
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: 9946
Total AfriNIC prefixes after maximum aggregation: 2358
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10539
Unique aggregates announced from the AfriNIC address blocks: 3644
AfriNIC Region origin ASes present in the Internet Routing Table: 585
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.3
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: 42894080
Equivalent to 2 /8s, 142 /16s and 131 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2436 826 46 PT Telekomunikasi Indonesia
4766 2112 11548 609 Korea Telecom (KIX)
7545 1807 301 91 TPG Internet Pty Ltd
4755 1635 381 171 TATA Communications formerly
9829 1416 1156 42 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1132 1070 12 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 307 70 BHARTI Airtel Ltd.
18101 1016 135 169 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
7029 3466 1009 211 Windstream Communications Inc
6389 3124 3718 135 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1947 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
20115 1687 1607 622 Charter Communications
4323 1591 1171 395 tw telecom holdings, inc.
30036 1378 290 721 Mediacom Communications Corp
7018 1299 10566 862 AT&T Services, Inc.
7011 1206 321 685 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 1727 544 16 Corbina telecom
34984 879 211 229 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
2118 784 97 15 EUnet/RELCOM Autonomous Syste
13188 757 95 129 Ukraine
31148 742 38 14 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 712 230 554 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 631 367 39 Bezeq International
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
10620 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
7303 1673 1139 201 Telecom Argentina S.A.
6503 1510 435 69 Axtel, S.A.B. de C.V.
8151 1436 2973 350 Uninet S.A. de C.V.
27947 741 86 89 Telconet S.A
3816 661 309 70 Types of queries are: POCs, o
18881 611 716 18 Global Village Telecom
11172 600 101 65 Alestra, S. de R.L. de C.V.
7738 579 1178 33 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
24863 874 275 36 LINKdotNET AS number
36998 748 48 3 MOBITEL
8452 686 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
15399 195 29 7 Wananchi Online Limited
12258 194 28 66 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
7029 3466 1009 211 Windstream Communications Inc
6389 3124 3718 135 BellSouth.net Inc.
17974 2436 826 46 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
4766 2112 11548 609 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1947 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
7545 1807 301 91 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
6389 3124 2989 BellSouth.net Inc.
17974 2436 2390 PT Telekomunikasi Indonesia
28573 2222 2153 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
22773 1947 1816 Cox Communications Inc.
1785 1936 1813 PaeTec Communications, Inc.
7545 1807 1716 TPG Internet Pty Ltd
8402 1727 1711 Corbina telecom
4766 2112 1503 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Data Networks
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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
27.112.114.0/24 23884 Proimage Engineering and Comm
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
64.66.32.0/20 18864 >>UNKNOWN<<
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 /8:19 /9:13 /10:30 /11:87 /12:245
/13:475 /14:858 /15:1553 /16:12441 /17:6591 /18:10860
/19:21546 /20:30854 /21:32742 /22:43715 /23:40334 /24:227342
/25:9 /26:11 /27:11 /28:144 /29:186 /30:98
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3466 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1775 3124 BellSouth.net Inc.
8402 1460 1727 Corbina telecom
30036 1285 1378 Mediacom Communications Corp
22773 1279 1947 Cox Communications Inc.
11492 1149 1186 CABLE ONE, INC.
6503 1032 1510 Axtel, S.A.B. de C.V.
1785 1022 1936 PaeTec Communications, Inc.
7011 954 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:615 2:724 3:3 4:13 5:689 6:3
8:488 12:1933 13:3 14:687 15:11 16:3
17:6 20:27 23:219 24:1786 27:1462 31:1343
32:49 33:2 34:2 36:8 37:1110 38:835
39:2 40:142 41:2840 42:179 44:3 46:1694
47:3 49:512 50:620 52:12 54:28 55:7
56:1 57:31 58:990 59:550 60:229 61:1293
62:1048 63:2013 64:4342 65:2204 66:4486 67:2077
68:1170 69:3312 70:935 71:556 72:1893 74:2630
75:474 76:291 77:1022 78:1001 79:518 80:1211
81:983 82:655 83:538 84:531 85:1144 86:459
87:958 88:354 89:1741 90:304 91:5366 92:606
93:1625 94:2007 95:1610 96:485 97:322 98:965
99:37 100:30 101:285 103:1928 105:501 106:117
107:203 108:488 109:1723 110:808 111:969 112:457
113:726 114:637 115:869 116:871 117:744 118:959
119:1223 120:368 121:666 122:1693 123:1171 124:1283
125:1289 128:767 129:186 130:288 131:637 132:304
133:142 134:242 135:62 136:214 137:232 138:343
139:166 140:156 141:300 142:492 143:353 144:487
145:78 146:512 147:293 148:720 149:331 150:146
151:235 152:397 153:187 154:21 155:441 156:227
157:333 158:257 159:600 160:335 161:394 162:369
163:181 164:579 165:445 166:473 167:569 168:990
169:129 170:1005 171:164 172:6 173:1652 174:635
175:463 176:870 177:1459 178:1738 180:1350 181:185
182:1096 183:300 184:629 185:127 186:2132 187:1462
188:1891 189:1578 190:6141 192:6048 193:5433 194:4406
195:3658 196:1251 197:293 198:3946 199:5122 200:5985
201:2019 202:8567 203:8639 204:4408 205:2539 206:2685
207:2740 208:4066 209:3637 210:2771 211:1522 212:2123
213:1869 214:861 215:89 216:5163 217:1585 218:584
219:297 220:1252 221:542 222:336 223:372
End of report
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