* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 07 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423817
Prefixes after maximum aggregation: 177367
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211598
Total ASes present in the Internet Routing Table: 39275
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 33772
Origin ASes announcing only one prefix: 15827
Transit ASes present in the Internet Routing Table: 5503
Transit-only ASes present in the Internet Routing Table: 137
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: 1624
Unregistered ASNs in the Routing Table: 381
Number of 32-bit ASNs allocated by the RIRs: 3446
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8266
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2630909952
Equivalent to 156 /8s, 208 /16s and 128 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
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: 147314
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98744
Total APNIC prefixes after maximum aggregation: 31117
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100174
Unique aggregates announced from the APNIC address blocks: 42931
APNIC Region origin ASes present in the Internet Routing Table: 4740
APNIC Prefixes per ASN: 21.13
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 751
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: 710935552
Equivalent to 42 /8s, 96 /16s and 4 /24s
Percentage of available APNIC address space announced: 83.1
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: 153470
Total ARIN prefixes after maximum aggregation: 77827
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154287
Unique aggregates announced from the ARIN address blocks: 69665
ARIN Region origin ASes present in the Internet Routing Table: 15182
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5752
ARIN Region transit ASes present in the Internet Routing Table: 1525
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: 1087272704
Equivalent to 64 /8s, 206 /16s and 119 /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: 109160
Total RIPE prefixes after maximum aggregation: 57591
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111869
Unique aggregates announced from the RIPE address blocks: 72414
RIPE Region origin ASes present in the Internet Routing Table: 16932
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2711
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: 648664064
Equivalent to 38 /8s, 169 /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: 43721
Total LACNIC prefixes after maximum aggregation: 8549
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 47124
Unique aggregates announced from the LACNIC address blocks: 22887
LACNIC Region origin ASes present in the Internet Routing Table: 1686
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 483
LACNIC Region transit ASes present in the Internet Routing Table: 314
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: 118811392
Equivalent to 7 /8s, 20 /16s and 235 /24s
Percentage of available LACNIC address space announced: 70.8
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: 9709
Total AfriNIC prefixes after maximum aggregation: 2230
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10197
Unique aggregates announced from the AfriNIC address blocks: 3559
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 171
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 42644992
Equivalent to 2 /8s, 138 /16s and 182 /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 2420 825 45 PT Telekomunikasi Indonesia
4766 2100 11550 604 Korea Telecom (KIX)
7545 1795 301 86 TPG Internet Pty Ltd
4755 1601 375 159 TATA Communications formerly
9829 1407 1154 41 National Internet Backbone
9583 1179 88 512 Sify Limited
7552 1123 1062 11 Vietel Corporation
24560 1034 385 161 Bharti Airtel Ltd., Telemedia
9498 1020 310 73 BHARTI Airtel Ltd.
18101 1017 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
7029 3200 991 189 Windstream Communications Inc
6389 3163 3722 159 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 1587 1169 392 tw telecom holdings, inc.
30036 1373 279 751 Mediacom Communications Corp
7018 1281 10308 858 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 1810 544 16 Corbina telecom
12479 852 777 62 France Telecom Espana SA
34984 828 207 199 BILISIM TELEKOM
31148 727 37 9 FreeNet ISP
13188 720 93 137 Ukraine
6830 714 2313 437 UPC Broadband
20940 701 228 547 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 1458 3043 349 Uninet S.A. de C.V.
27947 724 77 87 Telconet S.A
3816 657 309 68 Types of queries are: POCs, o
14420 599 92 109 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 899 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 549 958 13 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 3163 3722 159 BellSouth.net Inc.
17974 2420 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.
8402 1810 544 16 Corbina telecom
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 3163 3004 BellSouth.net Inc.
17974 2420 2375 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 1810 1794 Corbina telecom
7545 1795 1709 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 8468 ENTANET Internationa
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 /12:243
/13:476 /14:853 /15:1559 /16:12396 /17:6568 /18:10799
/19:21254 /20:30650 /21:32532 /22:42772 /23:40004 /24:222969
/25:10 /26:15 /27:11 /28:143 /29:183 /30:90
/31:0 /32:139
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 1782 3163 BellSouth.net Inc.
8402 1511 1810 Corbina telecom
22773 1299 1971 Cox Communications Inc.
30036 1290 1373 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)
----------------------------------------------
1:607 2:785 3:1 4:13 5:615 6:3
8:475 12:1957 13:3 14:673 15:11 16:3
17:6 20:27 23:210 24:1807 27:1397 31:1060
32:49 33:2 34:2 36:7 37:924 38:817
39:2 40:137 41:2752 42:177 44:3 46:1618
47:2 49:473 50:599 52:12 54:27 55:4
56:4 57:31 58:979 59:537 60:231 61:1277
62:970 63:2004 64:4246 65:2199 66:4492 67:2097
68:1156 69:3220 70:932 71:505 72:1886 74:2616
75:478 76:268 77:978 78:996 79:509 80:1240
81:986 82:630 83:543 84:529 85:1152 86:512
87:941 88:358 89:1740 90:305 91:5292 92:581
93:1450 94:1710 95:1294 96:411 97:324 98:975
99:36 100:30 101:289 103:1735 105:514 106:120
107:201 108:460 109:1623 110:811 111:976 112:430
113:719 114:671 115:864 116:856 117:744 118:960
119:1184 120:353 121:682 122:1660 123:1162 124:1307
125:1287 128:545 129:177 130:277 131:657 132:309
133:142 134:243 135:62 136:218 137:234 138:338
139:170 140:476 141:290 142:474 143:373 144:495
145:83 146:518 147:264 148:719 149:328 150:150
151:208 152:449 153:183 154:20 155:431 156:223
157:315 158:284 159:588 160:335 161:390 162:367
163:180 164:577 165:443 166:497 167:563 168:994
169:128 170:916 171:154 172:6 173:1715 174:634
175:470 176:731 177:1384 178:1629 180:1376 181:166
182:1097 183:298 184:618 185:46 186:2269 187:1402
188:1736 189:1610 190:5889 192:5981 193:5410 194:4129
195:3467 196:1228 197:263 198:3857 199:5046 200:5922
201:1973 202:8514 203:8601 204:4343 205:2521 206:2665
207:2744 208:4052 209:3603 210:2744 211:1518 212:2098
213:1852 214:893 215:75 216:5136 217:1581 218:564
219:290 220:1250 221:531 222:337 223:400
End of report
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