* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 31 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431700
Prefixes after maximum aggregation: 178939
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215486
Total ASes present in the Internet Routing Table: 39538
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 34002
Origin ASes announcing only one prefix: 15932
Transit ASes present in the Internet Routing Table: 5536
Transit-only ASes present in the Internet Routing Table: 123
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: 983
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 3614
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8737
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2641249808
Equivalent to 157 /8s, 110 /16s and 70 /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: 151165
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99741
Total APNIC prefixes after maximum aggregation: 31470
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101287
Unique aggregates announced from the APNIC address blocks: 43515
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.27
APNIC Region origin ASes announcing only one prefix: 1277
APNIC Region transit ASes present in the Internet Routing Table: 762
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: 715467008
Equivalent to 42 /8s, 165 /16s and 41 /24s
Percentage of available APNIC address space announced: 83.6
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: 154750
Total ARIN prefixes after maximum aggregation: 77911
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 155436
Unique aggregates announced from the ARIN address blocks: 70615
ARIN Region origin ASes present in the Internet Routing Table: 15289
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5803
ARIN Region transit ASes present in the Internet Routing Table: 1529
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: 1089255680
Equivalent to 64 /8s, 236 /16s and 185 /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: 113149
Total RIPE prefixes after maximum aggregation: 58253
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116116
Unique aggregates announced from the RIPE address blocks: 74430
RIPE Region origin ASes present in the Internet Routing Table: 16997
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2720
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: 650466320
Equivalent to 38 /8s, 197 /16s and 84 /24s
Percentage of available RIPE address space announced: 94.6
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: 44750
Total LACNIC prefixes after maximum aggregation: 8902
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48268
Unique aggregates announced from the LACNIC address blocks: 23140
LACNIC Region origin ASes present in the Internet Routing Table: 1751
LACNIC Prefixes per ASN: 27.57
LACNIC Region origin ASes announcing only one prefix: 502
LACNIC Region transit ASes present in the Internet Routing Table: 320
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: 120820992
Equivalent to 7 /8s, 51 /16s and 149 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9822
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10413
Unique aggregates announced from the AfriNIC address blocks: 3625
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42663168
Equivalent to 2 /8s, 138 /16s and 253 /24s
Percentage of available AfriNIC address space announced: 42.4
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 2452 829 54 PT Telekomunikasi Indonesia
4766 2118 11548 618 Korea Telecom (KIX)
7545 1807 301 89 TPG Internet Pty Ltd
4755 1638 381 174 TATA Communications formerly
9829 1416 1156 42 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1129 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 385 161 Bharti Airtel Ltd., Telemedia
18101 1016 135 170 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 3453 1010 215 Windstream Communications Inc
6389 3118 3717 132 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1950 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
20115 1687 1603 617 Charter Communications
4323 1595 1171 396 tw telecom holdings, inc.
30036 1356 287 706 Mediacom Communications Corp
7018 1299 10566 859 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 1699 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 768 96 115 Ukraine
31148 743 38 15 FreeNet ISP
20940 727 239 572 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 660 367 39 Bezeq International
58113 633 70 378 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
10620 2270 387 207 Types of queries are: POCs, o
28573 2266 1299 70 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1402 2922 351 Uninet S.A. de C.V.
27947 745 86 90 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 70 Types of queries are: POCs, o
11172 601 101 66 Alestra, S. de R.L. de C.V.
7738 588 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
24863 877 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 550 958 13 TEDATA
6713 499 602 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 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
7029 3453 1010 215 Windstream Communications Inc
6389 3118 3717 132 BellSouth.net Inc.
17974 2452 829 54 PT Telekomunikasi Indonesia
10620 2270 387 207 Types of queries are: POCs, o
28573 2266 1299 70 Types of queries are: POCs, o
4766 2118 11548 618 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1950 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
7545 1807 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
6389 3118 2986 BellSouth.net Inc.
17974 2452 2398 PT Telekomunikasi Indonesia
28573 2266 2196 Types of queries are: POCs, o
10620 2270 2063 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1950 1819 Cox Communications Inc.
1785 1939 1816 PaeTec Communications, Inc.
7545 1807 1718 TPG Internet Pty Ltd
8402 1699 1683 Corbina telecom
4766 2118 1500 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
128.0.24.0/21 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
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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.
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
/13:476 /14:861 /15:1556 /16:12446 /17:6599 /18:10854
/19:21574 /20:30967 /21:32897 /22:43921 /23:40401 /24:228161
/25:9 /26:11 /27:11 /28:144 /29:185 /30:95
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2722 3453 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1773 3118 BellSouth.net Inc.
8402 1421 1699 Corbina telecom
22773 1281 1950 Cox Communications Inc.
30036 1261 1356 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1023 1939 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
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)
----------------------------------------------
1:662 2:681 3:3 4:13 5:701 6:3
8:469 12:1930 13:3 14:683 15:11 16:3
17:6 20:27 23:219 24:1789 27:1464 31:1368
32:49 33:2 34:2 36:11 37:1134 38:835
39:2 40:141 41:2714 42:180 44:3 46:1709
47:3 49:527 50:649 52:12 54:28 55:8
56:1 57:31 58:985 59:557 60:232 61:1303
62:1052 63:2009 64:4342 65:2194 66:4491 67:2084
68:1197 69:3326 70:939 71:554 72:1890 74:2620
75:475 76:293 77:1043 78:1028 79:524 80:1201
81:980 82:668 83:537 84:529 85:1164 86:457
87:966 88:360 89:1749 90:304 91:5387 92:611
93:1622 94:1972 95:1613 96:489 97:337 98:965
99:37 100:30 101:287 103:1953 105:501 106:117
107:203 108:492 109:1753 110:817 111:982 112:466
113:723 114:640 115:872 116:873 117:760 118:965
119:1216 120:364 121:695 122:1690 123:1167 124:1283
125:1300 128:779 129:187 130:295 131:640 132:314
133:142 134:241 135:62 136:215 137:231 138:344
139:167 140:155 141:298 142:498 143:349 144:488
145:89 146:511 147:323 148:715 149:333 150:150
151:244 152:397 153:188 154:22 155:442 156:228
157:333 158:257 159:599 160:335 161:397 162:370
163:181 164:578 165:452 166:464 167:570 168:1003
169:129 170:988 171:164 172:4 173:1641 174:766
175:447 176:937 177:1474 178:1705 180:1357 181:189
182:1136 183:287 184:650 185:147 186:2164 187:1438
188:1902 189:1557 190:6166 192:6036 193:5722 194:4491
195:3607 196:1251 197:293 198:3967 199:5121 200:5971
201:2023 202:8571 203:8647 204:4404 205:2506 206:2717
207:2738 208:4056 209:3640 210:2780 211:1554 212:2010
213:1889 214:859 215:91 216:5118 217:1573 218:583
219:304 220:1256 221:544 222:324 223:370
End of report
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