* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 20 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431287
Prefixes after maximum aggregation: 178620
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215275
Total ASes present in the Internet Routing Table: 39494
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 33979
Origin ASes announcing only one prefix: 15873
Transit ASes present in the Internet Routing Table: 5515
Transit-only ASes present in the Internet Routing Table: 125
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: 1817
Unregistered ASNs in the Routing Table: 478
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: 8679
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2639996176
Equivalent to 157 /8s, 91 /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: 94.1
Total number of prefixes smaller than registry allocations: 150895
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99517
Total APNIC prefixes after maximum aggregation: 31377
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101061
Unique aggregates announced from the APNIC address blocks: 43383
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.21
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 756
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: 714917888
Equivalent to 42 /8s, 156 /16s and 200 /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: 154672
Total ARIN prefixes after maximum aggregation: 77925
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155350
Unique aggregates announced from the ARIN address blocks: 70548
ARIN Region origin ASes present in the Internet Routing Table: 15283
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5788
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1089020672
Equivalent to 64 /8s, 233 /16s and 35 /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: 113181
Total RIPE prefixes after maximum aggregation: 58039
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116094
Unique aggregates announced from the RIPE address blocks: 74403
RIPE Region origin ASes present in the Internet Routing Table: 16967
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2708
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: 650155792
Equivalent to 38 /8s, 192 /16s and 151 /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: 44723
Total LACNIC prefixes after maximum aggregation: 8877
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48253
Unique aggregates announced from the LACNIC address blocks: 23135
LACNIC Region origin ASes present in the Internet Routing Table: 1738
LACNIC Prefixes per ASN: 27.76
LACNIC Region origin ASes announcing only one prefix: 500
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 120433664
Equivalent to 7 /8s, 45 /16s and 172 /24s
Percentage of available LACNIC address space announced: 71.8
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: 9751
Total AfriNIC prefixes after maximum aggregation: 2349
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10343
Unique aggregates announced from the AfriNIC address blocks: 3639
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.65
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.3
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: 42847488
Equivalent to 2 /8s, 141 /16s and 205 /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 2471 829 54 PT Telekomunikasi Indonesia
4766 2112 11548 609 Korea Telecom (KIX)
7545 1806 301 88 TPG Internet Pty Ltd
4755 1640 381 173 TATA Communications formerly
9829 1417 1156 42 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1132 1070 12 Vietel Corporation
9498 1036 307 69 BHARTI Airtel Ltd.
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
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 3471 1010 215 Windstream Communications Inc
6389 3123 3718 134 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1935 677 123 PaeTec Communications, Inc.
20115 1685 1607 622 Charter Communications
4323 1591 1171 395 tw telecom holdings, inc.
30036 1383 291 721 Mediacom Communications Corp
7018 1297 10565 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 1737 544 16 Corbina telecom
2118 1308 97 15 EUnet/RELCOM Autonomous Syste
34984 881 211 230 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 762 95 127 Ukraine
31148 735 38 15 FreeNet ISP
20940 718 233 559 Akamai Technologies European
6830 716 2313 437 UPC Broadband
8551 638 367 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 2264 386 207 Types of queries are: POCs, o
28573 2224 1298 74 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1467 435 69 Axtel, S.A.B. de C.V.
8151 1435 2973 352 Uninet S.A. de C.V.
27947 744 86 90 Telconet S.A
18881 742 716 18 Global Village Telecom
3816 661 309 70 Types of queries are: POCs, o
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 749 48 3 MOBITEL
8452 556 958 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 3471 1010 215 Windstream Communications Inc
6389 3123 3718 134 BellSouth.net Inc.
17974 2471 829 54 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2224 1298 74 Types of queries are: POCs, o
4766 2112 11548 609 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1935 677 123 PaeTec Communications, Inc.
7545 1806 301 88 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 3123 2989 BellSouth.net Inc.
17974 2471 2417 PT Telekomunikasi Indonesia
28573 2224 2150 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1948 1817 Cox Communications Inc.
1785 1935 1812 PaeTec Communications, Inc.
8402 1737 1721 Corbina telecom
7545 1806 1718 TPG Internet Pty Ltd
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
128.0.16.0/21 43568 Romerike Bredband AS
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
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
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.
64.185.226.0/24 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 /16:12442 /17:6591 /18:10855
/19:21561 /20:30931 /21:32809 /22:43822 /23:40329 /24:228062
/25:9 /26:11 /27:11 /28:146 /29:189 /30:98
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3471 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1775 3123 BellSouth.net Inc.
8402 1465 1737 Corbina telecom
30036 1286 1383 Mediacom Communications Corp
22773 1280 1948 Cox Communications Inc.
11492 1149 1186 CABLE ONE, INC.
1785 1022 1935 PaeTec Communications, Inc.
6503 992 1467 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)
----------------------------------------------
1:652 2:724 3:3 4:13 5:694 6:3
8:488 12:1932 13:3 14:684 15:11 16:3
17:6 20:27 23:219 24:1788 27:1464 31:1355
32:49 33:2 34:2 36:10 37:1139 38:838
39:2 40:142 41:2672 42:179 44:3 46:1707
47:3 49:509 50:627 52:12 54:28 55:8
56:1 57:31 58:991 59:552 60:231 61:1277
62:1051 63:2012 64:4343 65:2201 66:4489 67:2083
68:1202 69:3331 70:935 71:556 72:1894 74:2634
75:476 76:293 77:1035 78:1017 79:517 80:1210
81:978 82:651 83:538 84:531 85:1158 86:459
87:964 88:354 89:1740 90:304 91:5376 92:606
93:1624 94:1969 95:1600 96:486 97:338 98:966
99:37 100:30 101:283 103:1930 105:501 106:117
107:203 108:487 109:1721 110:813 111:965 112:455
113:722 114:638 115:863 116:869 117:765 118:963
119:1227 120:366 121:697 122:1700 123:1170 124:1281
125:1297 128:772 129:188 130:289 131:633 132:310
133:142 134:242 135:62 136:214 137:231 138:343
139:167 140:156 141:300 142:494 143:352 144:487
145:89 146:516 147:322 148:715 149:331 150:146
151:235 152:397 153:187 154:21 155:441 156:228
157:334 158:257 159:600 160:334 161:395 162:370
163:181 164:577 165:445 166:474 167:570 168:994
169:129 170:1003 171:164 172:4 173:1656 174:631
175:445 176:876 177:1485 178:1732 180:1351 181:187
182:1103 183:294 184:629 185:130 186:2153 187:1456
188:1892 189:1563 190:6149 192:6040 193:5701 194:4659
195:3654 196:1239 197:293 198:3954 199:5123 200:5975
201:2025 202:8575 203:8632 204:4409 205:2539 206:2728
207:2765 208:4060 209:3639 210:2775 211:1520 212:2123
213:1875 214:863 215:90 216:5169 217:1583 218:584
219:304 220:1252 221:543 222:324 223:369
End of report
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