* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 22 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 432626
Prefixes after maximum aggregation: 179383
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 216252
Total ASes present in the Internet Routing Table: 39613
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 34061
Origin ASes announcing only one prefix: 15933
Transit ASes present in the Internet Routing Table: 5552
Transit-only ASes present in the Internet Routing Table: 120
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: 1002
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 3680
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8980
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2648911376
Equivalent to 157 /8s, 227 /16s and 46 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 150740
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100186
Total APNIC prefixes after maximum aggregation: 31681
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 101854
Unique aggregates announced from the APNIC address blocks: 43853
APNIC Region origin ASes present in the Internet Routing Table: 4767
APNIC Prefixes per ASN: 21.37
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 768
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: 715735552
Equivalent to 42 /8s, 169 /16s and 66 /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: 153938
Total ARIN prefixes after maximum aggregation: 77995
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154606
Unique aggregates announced from the ARIN address blocks: 70681
ARIN Region origin ASes present in the Internet Routing Table: 15322
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5810
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: 1091641088
Equivalent to 65 /8s, 17 /16s and 31 /24s
Percentage of available ARIN address space announced: 57.7
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: 113393
Total RIPE prefixes after maximum aggregation: 58274
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116457
Unique aggregates announced from the RIPE address blocks: 74360
RIPE Region origin ASes present in the Internet Routing Table: 17009
RIPE Prefixes per ASN: 6.85
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2721
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: 652966672
Equivalent to 38 /8s, 235 /16s and 123 /24s
Percentage of available RIPE address space announced: 94.9
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: 45390
Total LACNIC prefixes after maximum aggregation: 9001
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48987
Unique aggregates announced from the LACNIC address blocks: 23501
LACNIC Region origin ASes present in the Internet Routing Table: 1774
LACNIC Prefixes per ASN: 27.61
LACNIC Region origin ASes announcing only one prefix: 514
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 122042112
Equivalent to 7 /8s, 70 /16s and 55 /24s
Percentage of available LACNIC address space announced: 72.7
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: 9948
Total AfriNIC prefixes after maximum aggregation: 2380
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10527
Unique aggregates announced from the AfriNIC address blocks: 3683
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 43895040
Equivalent to 2 /8s, 157 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 43.6
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 2456 828 53 PT Telekomunikasi Indonesia
4766 2118 11549 624 Korea Telecom (KIX)
7545 1813 301 86 TPG Internet Pty Ltd
4755 1646 381 175 TATA Communications formerly
9829 1422 1152 45 National Internet Backbone
9583 1190 89 507 Sify Limited
7552 1110 1070 12 Vietel Corporation
9498 1050 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
24560 1015 372 162 Bharti Airtel Ltd., Telemedia
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
6389 3102 3700 120 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1946 677 123 PaeTec Communications, Inc.
20115 1685 1606 625 Charter Communications
4323 1596 1171 393 tw telecom holdings, inc.
30036 1351 288 693 Mediacom Communications Corp
7018 1306 10582 865 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 1797 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 918 227 213 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 744 38 14 FreeNet ISP
20940 718 241 570 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 713 367 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 2290 391 226 Types of queries are: POCs, o
28573 2271 1302 78 Types of queries are: POCs, o
7303 1670 1139 204 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1392 2889 365 Uninet S.A. de C.V.
27947 748 86 92 Telconet S.A
18881 741 716 18 Global Village Telecom
3816 672 307 85 Types of queries are: POCs, o
11172 603 102 67 Alestra, S. de R.L. de C.V.
7738 587 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 889 275 36 LINKdotNET AS number
36998 669 80 4 MOBITEL
8452 551 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 198 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
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
6389 3102 3700 120 BellSouth.net Inc.
17974 2456 828 53 PT Telekomunikasi Indonesia
10620 2290 391 226 Types of queries are: POCs, o
7029 2286 1265 212 Windstream Communications Inc
28573 2271 1302 78 Types of queries are: POCs, o
4766 2118 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1946 677 123 PaeTec Communications, Inc.
7545 1813 301 86 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
17974 2456 2403 PT Telekomunikasi Indonesia
28573 2271 2193 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2290 2064 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1961 1833 Cox Communications Inc.
1785 1946 1823 PaeTec Communications, Inc.
8402 1797 1781 Corbina telecom
7545 1813 1727 TPG Internet Pty Ltd
4766 2118 1494 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.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
128.0.96.0/21 12886 LEWTelNet GmbH
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
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
64.185.224.0/24 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 /11:88 /12:247
/13:477 /14:865 /15:1558 /16:12475 /17:6615 /18:10875
/19:21626 /20:31040 /21:32997 /22:44256 /23:40322 /24:228520
/25:9 /26:11 /27:11 /28:145 /29:186 /30:98
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3102 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1512 1797 Corbina telecom
22773 1293 1961 Cox Communications Inc.
30036 1248 1351 Mediacom Communications Corp
11492 1156 1193 CABLE ONE, INC.
1785 1029 1946 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 955 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)
----------------------------------------------
1:665 2:761 3:3 4:13 5:723 6:3
8:486 12:1925 13:3 14:689 15:11 16:3
17:8 20:27 23:221 24:1795 27:1479 31:1135
32:49 33:2 34:4 36:9 37:1225 38:839
39:2 40:138 41:2764 42:179 44:3 46:1719
47:1 49:545 50:648 52:12 54:28 55:5
57:31 58:993 59:557 60:238 61:1299 62:1040
63:2038 64:4294 65:2155 66:4303 67:2118 68:1119
69:3250 70:859 71:536 72:1877 74:2543 75:418
76:294 77:1009 78:1010 79:543 80:1228 81:990
82:665 83:537 84:574 85:1160 86:471 87:970
88:367 89:1730 90:283 91:5407 92:612 93:1658
94:1988 95:1565 96:489 97:338 98:1052 99:49
100:29 101:291 103:2003 105:432 106:129 107:208
108:486 109:1723 110:831 111:989 112:465 113:727
114:676 115:915 116:882 117:770 118:959 119:1241
120:320 121:688 122:1694 123:1175 124:1289 125:1297
128:528 129:191 130:296 131:618 132:316 133:142
134:242 135:62 136:218 137:230 138:340 139:157
140:180 141:298 142:500 143:364 144:477 145:89
146:519 147:327 148:715 149:335 150:152 151:256
152:398 153:189 154:23 155:416 156:231 157:340
158:258 159:617 160:335 161:396 162:366 163:183
164:585 165:453 166:457 167:572 168:1002 169:128
170:1002 171:162 172:4 173:1549 174:753 175:420
176:1006 177:1584 178:1691 180:1366 181:211 182:1141
183:312 184:631 185:171 186:2208 187:1469 188:1886
189:1562 190:6340 192:6105 193:5847 194:4669 195:3663
196:1257 197:405 198:4024 199:5136 200:5923 201:2144
202:8610 203:8656 204:4398 205:2514 206:2703 207:2714
208:4063 209:3498 210:2785 211:1554 212:2013 213:1875
214:885 215:91 216:5039 217:1571 218:588 219:306
220:1262 221:529 222:321 223:405
End of report
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