* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 16 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430350
Prefixes after maximum aggregation: 179438
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 215783
Total ASes present in the Internet Routing Table: 39585
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 34033
Origin ASes announcing only one prefix: 15918
Transit ASes present in the Internet Routing Table: 5552
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 997
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 3654
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8927
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2645625360
Equivalent to 157 /8s, 177 /16s and 10 /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: 149964
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99992
Total APNIC prefixes after maximum aggregation: 31643
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 101640
Unique aggregates announced from the APNIC address blocks: 43636
APNIC Region origin ASes present in the Internet Routing Table: 4769
APNIC Prefixes per ASN: 21.31
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 769
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: 716125184
Equivalent to 42 /8s, 175 /16s and 52 /24s
Percentage of available APNIC address space announced: 83.7
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: 153627
Total ARIN prefixes after maximum aggregation: 78126
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154276
Unique aggregates announced from the ARIN address blocks: 70670
ARIN Region origin ASes present in the Internet Routing Table: 15313
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5796
ARIN Region transit ASes present in the Internet Routing Table: 1528
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1091324416
Equivalent to 65 /8s, 12 /16s and 74 /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: 112317
Total RIPE prefixes after maximum aggregation: 58275
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115335
Unique aggregates announced from the RIPE address blocks: 74326
RIPE Region origin ASes present in the Internet Routing Table: 17002
RIPE Prefixes per ASN: 6.78
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2726
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: 650321936
Equivalent to 38 /8s, 195 /16s and 32 /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: 44592
Total LACNIC prefixes after maximum aggregation: 8953
LACNIC Deaggregation factor: 4.98
Prefixes being announced from the LACNIC address blocks: 48167
Unique aggregates announced from the LACNIC address blocks: 23180
LACNIC Region origin ASes present in the Internet Routing Table: 1762
LACNIC Prefixes per ASN: 27.34
LACNIC Region origin ASes announcing only one prefix: 506
LACNIC Region transit ASes present in the Internet Routing Table: 322
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: 121142528
Equivalent to 7 /8s, 56 /16s and 125 /24s
Percentage of available LACNIC address space announced: 72.2
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: 10113
Total AfriNIC prefixes after maximum aggregation: 2389
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10737
Unique aggregates announced from the AfriNIC address blocks: 3796
AfriNIC Region origin ASes present in the Internet Routing Table: 592
AfriNIC Prefixes per ASN: 18.14
AfriNIC Region origin ASes announcing only one prefix: 184
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: 44072192
Equivalent to 2 /8s, 160 /16s and 125 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2457 828 53 PT Telekomunikasi Indonesia
4766 2127 11549 628 Korea Telecom (KIX)
7545 1814 301 88 TPG Internet Pty Ltd
4755 1648 381 175 TATA Communications formerly
9829 1414 1156 42 National Internet Backbone
9583 1228 92 527 Sify Limited
7552 1137 1070 12 Vietel Corporation
9498 1049 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
24560 1011 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 3108 3700 126 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1957 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1685 1606 625 Charter Communications
4323 1595 1171 393 tw telecom holdings, inc.
30036 1342 286 702 Mediacom Communications Corp
7018 1306 10566 867 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 1738 544 16 Corbina telecom
34984 911 212 233 BILISIM TELEKOM
12479 855 777 64 France Telecom Espana SA
13188 769 96 112 Ukraine
31148 743 38 14 FreeNet ISP
20940 723 244 575 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 675 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
34744 598 186 35 SC GVM SISTEM 2003 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 2276 388 213 Types of queries are: POCs, o
28573 2182 1299 83 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 1387 2873 359 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 746 86 92 Telconet S.A
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 888 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 540 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 290 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 201 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3108 3700 126 BellSouth.net Inc.
17974 2457 828 53 PT Telekomunikasi Indonesia
7029 2286 1265 212 Windstream Communications Inc
10620 2276 388 213 Types of queries are: POCs, o
28573 2182 1299 83 Types of queries are: POCs, o
4766 2127 11549 628 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1957 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1814 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
17974 2457 2404 PT Telekomunikasi Indonesia
28573 2182 2099 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2276 2063 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1957 1829 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
7545 1814 1726 TPG Internet Pty Ltd
8402 1738 1722 Corbina telecom
4766 2127 1499 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
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
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 /11:87 /12:247
/13:476 /14:864 /15:1559 /16:12457 /17:6593 /18:10848
/19:21589 /20:31067 /21:33006 /22:43935 /23:40291 /24:226669
/25:9 /26:11 /27:11 /28:144 /29:187 /30:96
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3108 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1464 1738 Corbina telecom
22773 1290 1957 Cox Communications Inc.
30036 1239 1342 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1028 1944 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)
----------------------------------------------
1:661 2:695 3:3 4:13 5:721 6:3
8:485 12:1923 13:3 14:684 15:11 16:3
17:6 20:27 23:221 24:1790 27:1480 31:1132
32:49 33:2 34:2 36:9 37:1167 38:833
39:2 40:138 41:2810 42:180 44:3 46:1723
47:1 49:536 50:642 52:12 54:28 55:7
57:31 58:993 59:557 60:235 61:1301 62:1041
63:2040 64:4300 65:2154 66:4304 67:2079 68:1118
69:3300 70:862 71:536 72:1875 74:2547 75:404
76:295 77:1040 78:1021 79:536 80:1226 81:987
82:666 83:539 84:530 85:1162 86:465 87:965
88:364 89:1709 90:290 91:5393 92:606 93:1662
94:1987 95:1524 96:489 97:339 98:968 99:49
100:29 101:299 103:1992 105:528 106:128 107:207
108:486 109:1786 110:831 111:985 112:461 113:724
114:674 115:898 116:884 117:762 118:970 119:1243
120:320 121:688 122:1693 123:1164 124:1286 125:1302
128:516 129:189 130:296 131:620 132:320 133:142
134:242 135:62 136:215 137:229 138:339 139:157
140:187 141:296 142:498 143:371 144:475 145:89
146:519 147:299 148:716 149:334 150:154 151:255
152:398 153:188 154:23 155:446 156:229 157:335
158:257 159:618 160:336 161:398 162:366 163:183
164:579 165:453 166:458 167:571 168:1002 169:129
170:1004 171:162 172:4 173:1516 174:619 175:417
176:1031 177:1567 178:1696 180:1367 181:198 182:1156
183:305 184:633 185:166 186:2159 187:1434 188:1916
189:1561 190:6100 192:6082 193:5511 194:4329 195:3466
196:1261 197:376 198:4022 199:5138 200:5897 201:2013
202:8559 203:8606 204:4401 205:2526 206:2698 207:2700
208:4079 209:3506 210:2785 211:1553 212:1981 213:1885
214:879 215:90 216:5021 217:1571 218:585 219:306
220:1262 221:528 222:322 223:397
End of report
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