* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 06 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423342
Prefixes after maximum aggregation: 177432
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211490
Total ASes present in the Internet Routing Table: 39253
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 33754
Origin ASes announcing only one prefix: 15815
Transit ASes present in the Internet Routing Table: 5499
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1610
Unregistered ASNs in the Routing Table: 378
Number of 32-bit ASNs allocated by the RIRs: 3443
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8294
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2630212864
Equivalent to 156 /8s, 197 /16s and 221 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146964
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98572
Total APNIC prefixes after maximum aggregation: 31181
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 99956
Unique aggregates announced from the APNIC address blocks: 42945
APNIC Region origin ASes present in the Internet Routing Table: 4740
APNIC Prefixes per ASN: 21.09
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 749
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: 710159616
Equivalent to 42 /8s, 84 /16s and 45 /24s
Percentage of available APNIC address space announced: 83.0
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: 153588
Total ARIN prefixes after maximum aggregation: 77856
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154398
Unique aggregates announced from the ARIN address blocks: 69676
ARIN Region origin ASes present in the Internet Routing Table: 15169
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5745
ARIN Region transit ASes present in the Internet Routing Table: 1527
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087648000
Equivalent to 64 /8s, 212 /16s and 49 /24s
Percentage of available ARIN address space announced: 57.5
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: 108978
Total RIPE prefixes after maximum aggregation: 57558
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111677
Unique aggregates announced from the RIPE address blocks: 72394
RIPE Region origin ASes present in the Internet Routing Table: 16926
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2710
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648795136
Equivalent to 38 /8s, 171 /16s and 212 /24s
Percentage of available RIPE address space announced: 94.3
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: 43642
Total LACNIC prefixes after maximum aggregation: 8552
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 47084
Unique aggregates announced from the LACNIC address blocks: 22869
LACNIC Region origin ASes present in the Internet Routing Table: 1688
LACNIC Prefixes per ASN: 27.89
LACNIC Region origin ASes announcing only one prefix: 484
LACNIC Region transit ASes present in the Internet Routing Table: 313
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: 118393088
Equivalent to 7 /8s, 14 /16s and 137 /24s
Percentage of available LACNIC address space announced: 70.6
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: 9566
Total AfriNIC prefixes after maximum aggregation: 2232
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 10061
Unique aggregates announced from the AfriNIC address blocks: 3464
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 42632704
Equivalent to 2 /8s, 138 /16s and 134 /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 2419 825 45 PT Telekomunikasi Indonesia
4766 2100 11550 604 Korea Telecom (KIX)
7545 1796 301 88 TPG Internet Pty Ltd
4755 1600 375 159 TATA Communications formerly
9829 1405 1154 41 National Internet Backbone
9583 1179 88 512 Sify Limited
7552 1077 1062 11 Vietel Corporation
24560 1034 385 161 Bharti Airtel Ltd., Telemedia
9498 1020 310 73 BHARTI Airtel Ltd.
18101 1017 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 3200 991 189 Windstream Communications Inc
6389 3169 3723 161 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1926 678 127 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1588 1169 392 tw telecom holdings, inc.
30036 1352 274 747 Mediacom Communications Corp
7018 1276 10305 853 AT&T Services, Inc.
7011 1222 334 692 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 1769 544 16 Corbina telecom
12479 851 776 64 France Telecom Espana SA
34984 824 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
13188 720 93 137 Ukraine
6830 714 2313 437 UPC Broadband
20940 696 227 544 Akamai Technologies European
8551 618 364 61 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
9116 541 326 32 Goldenlines main autonomous s
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 2242 382 229 Types of queries are: POCs, o
28573 2152 1281 63 Types of queries are: POCs, o
7303 1669 1139 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1460 3021 348 Uninet S.A. de C.V.
27947 722 77 86 Telconet S.A
3816 657 309 68 Types of queries are: POCs, o
14420 593 90 106 CORPORACION NACIONAL DE TELEC
11172 589 101 65 Alestra, S. de R.L. de C.V.
7738 582 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 896 275 36 LINKdotNET AS number
36998 676 48 3 MOBITEL
8452 542 956 9 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 193 29 5 Wananchi Online Limited
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 3200 991 189 Windstream Communications Inc
6389 3169 3723 161 BellSouth.net Inc.
17974 2419 825 45 PT Telekomunikasi Indonesia
10620 2242 382 229 Types of queries are: POCs, o
28573 2152 1281 63 Types of queries are: POCs, o
4766 2100 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1926 678 127 PaeTec Communications, Inc.
7545 1796 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 3169 3008 BellSouth.net Inc.
17974 2419 2374 PT Telekomunikasi Indonesia
28573 2152 2089 Types of queries are: POCs, o
10620 2242 2013 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1971 1843 Cox Communications Inc.
1785 1926 1799 PaeTec Communications, Inc.
8402 1769 1753 Corbina telecom
7545 1796 1708 TPG Internet Pty Ltd
4766 2100 1496 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
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
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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
128.0.24.0/21 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
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:88 /12:242
/13:476 /14:853 /15:1557 /16:12399 /17:6565 /18:10800
/19:21211 /20:30624 /21:32504 /22:42751 /23:39985 /24:222678
/25:10 /26:14 /27:11 /28:136 /29:168 /30:80
/31:0 /32:127
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3200 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1786 3169 BellSouth.net Inc.
8402 1471 1769 Corbina telecom
22773 1299 1971 Cox Communications Inc.
30036 1269 1352 Mediacom Communications Corp
11492 1152 1187 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 1926 PaeTec Communications, Inc.
7011 957 1222 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:609 2:779 3:1 4:13 5:613 6:3
8:474 12:1955 13:3 14:673 15:11 16:3
17:6 20:27 23:211 24:1804 27:1394 31:1057
32:49 33:2 34:2 36:7 37:906 38:823
39:2 40:137 41:2702 42:177 44:3 46:1620
47:2 49:469 50:597 52:12 54:27 55:4
56:3 57:31 58:979 59:537 60:231 61:1276
62:965 63:2004 64:4282 65:2200 66:4475 67:2096
68:1157 69:3225 70:934 71:505 72:1882 74:2610
75:479 76:268 77:976 78:999 79:510 80:1235
81:981 82:626 83:542 84:520 85:1148 86:499
87:933 88:358 89:1749 90:305 91:5287 92:577
93:1419 94:1703 95:1287 96:411 97:324 98:969
99:36 100:30 101:288 103:1734 105:450 106:120
107:201 108:460 109:1623 110:811 111:976 112:430
113:717 114:666 115:846 116:862 117:750 118:956
119:1181 120:354 121:682 122:1653 123:1155 124:1307
125:1287 128:544 129:188 130:277 131:657 132:309
133:142 134:242 135:62 136:228 137:240 138:338
139:173 140:475 141:290 142:473 143:374 144:495
145:82 146:514 147:260 148:719 149:327 150:150
151:208 152:450 153:183 154:20 155:433 156:223
157:322 158:288 159:589 160:332 161:390 162:367
163:179 164:566 165:442 166:515 167:563 168:994
169:128 170:916 171:154 172:6 173:1713 174:626
175:455 176:730 177:1376 178:1613 180:1376 181:166
182:1099 183:298 184:618 185:50 186:2267 187:1416
188:1734 189:1595 190:5872 192:5989 193:5409 194:4130
195:3464 196:1235 197:254 198:3856 199:5047 200:5951
201:1969 202:8506 203:8600 204:4343 205:2514 206:2673
207:2750 208:4045 209:3603 210:2751 211:1518 212:2101
213:1842 214:893 215:75 216:5133 217:1581 218:564
219:290 220:1248 221:531 222:337 223:396
End of report
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