* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 28 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437727
Prefixes after maximum aggregation: 180524
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217824
Total ASes present in the Internet Routing Table: 39834
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34243
Origin ASes announcing only one prefix: 15986
Transit ASes present in the Internet Routing Table: 5591
Transit-only ASes present in the Internet Routing Table: 122
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: 960
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 3787
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9431
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2639019008
Equivalent to 157 /8s, 76 /16s and 60 /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: 94.3
Total number of prefixes smaller than registry allocations: 153286
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101193
Total APNIC prefixes after maximum aggregation: 31701
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 102898
Unique aggregates announced from the APNIC address blocks: 43927
APNIC Region origin ASes present in the Internet Routing Table: 4768
APNIC Prefixes per ASN: 21.58
APNIC Region origin ASes announcing only one prefix: 1263
APNIC Region transit ASes present in the Internet Routing Table: 777
Average APNIC Region AS path length visible: 3.9
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: 717679872
Equivalent to 42 /8s, 198 /16s and 237 /24s
Percentage of available APNIC address space announced: 83.9
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: 154664
Total ARIN prefixes after maximum aggregation: 78464
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155340
Unique aggregates announced from the ARIN address blocks: 71222
ARIN Region origin ASes present in the Internet Routing Table: 15414
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5845
ARIN Region transit ASes present in the Internet Routing Table: 1546
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1076477696
Equivalent to 64 /8s, 41 /16s and 191 /24s
Percentage of available ARIN address space announced: 56.9
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: 114360
Total RIPE prefixes after maximum aggregation: 58874
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117608
Unique aggregates announced from the RIPE address blocks: 75100
RIPE Region origin ASes present in the Internet Routing Table: 17074
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2736
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: 653762048
Equivalent to 38 /8s, 247 /16s and 158 /24s
Percentage of available RIPE address space announced: 95.0
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: 46447
Total LACNIC prefixes after maximum aggregation: 8969
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 50203
Unique aggregates announced from the LACNIC address blocks: 23612
LACNIC Region origin ASes present in the Internet Routing Table: 1819
LACNIC Prefixes per ASN: 27.60
LACNIC Region origin ASes announcing only one prefix: 533
LACNIC Region transit ASes present in the Internet Routing Table: 332
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: 123354880
Equivalent to 7 /8s, 90 /16s and 63 /24s
Percentage of available LACNIC address space announced: 73.5
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: 10861
Total AfriNIC prefixes after maximum aggregation: 2459
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11478
Unique aggregates announced from the AfriNIC address blocks: 3782
AfriNIC Region origin ASes present in the Internet Routing Table: 601
AfriNIC Prefixes per ASN: 19.10
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 3.4
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: 45125632
Equivalent to 2 /8s, 176 /16s and 144 /24s
Percentage of available AfriNIC address space announced: 44.8
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 2481 836 80 PT Telekomunikasi Indonesia
4766 2121 11550 627 Korea Telecom (KIX)
7545 1823 301 90 TPG Internet Pty Ltd
4755 1680 382 189 TATA Communications formerly
9829 1425 1140 43 National Internet Backbone
9583 1201 90 505 Sify Limited
7552 1150 1070 12 Vietel Corporation
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1047 385 161 Bharti Airtel Ltd., Telemedia
18101 1009 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
6389 3053 3695 96 BellSouth.net Inc.
7029 2158 1265 210 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1986 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1605 1155 397 tw telecom holdings, inc.
30036 1337 287 684 Mediacom Communications Corp
7018 1312 10586 863 AT&T Services, Inc.
11492 1208 221 335 CABLE ONE, INC.
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 1787 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1067 232 208 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 831 783 68 France Telecom Espana SA
31148 763 39 19 FreeNet ISP
20940 755 256 598 Akamai Technologies European
8551 735 369 43 Bezeq International
6830 714 2313 435 UPC Broadband
34744 675 186 28 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
28573 2414 1330 84 Types of queries are: POCs, o
10620 2327 399 227 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1381 435 70 Axtel, S.A.B. de C.V.
8151 1227 2815 390 Uninet S.A. de C.V.
14754 938 128 75 Telgua
18881 795 716 18 Global Village Telecom
3816 689 307 87 Types of queries are: POCs, o
27947 648 80 53 Telconet S.A
7738 613 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
36998 1286 80 4 MOBITEL
24863 898 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 530 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 207 11 6 Data Telecom Service
12258 193 28 67 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
6389 3053 3695 96 BellSouth.net Inc.
17974 2481 836 80 PT Telekomunikasi Indonesia
28573 2414 1330 84 Types of queries are: POCs, o
10620 2327 399 227 Types of queries are: POCs, o
7029 2158 1265 210 Windstream Communications Inc
4766 2121 11550 627 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1986 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
7545 1823 301 90 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 2481 2401 PT Telekomunikasi Indonesia
28573 2414 2330 Types of queries are: POCs, o
10620 2327 2100 Types of queries are: POCs, o
7029 2158 1948 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1986 1862 Cox Communications Inc.
1785 1957 1834 PaeTec Communications, Inc.
8402 1787 1771 Corbina telecom
7545 1823 1733 TPG Internet Pty Ltd
4766 2121 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
128.0.16.0/21 43568 Romerike Bredband AS
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
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
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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 /8:18 /9:13 /10:30 /11:88 /12:248
/13:481 /14:865 /15:1561 /16:12557 /17:6633 /18:10893
/19:21677 /20:31228 /21:33309 /22:45493 /23:40929 /24:231104
/25:9 /26:11 /27:11 /28:142 /29:192 /30:94
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1754 3053 BellSouth.net Inc.
7029 1554 2158 Windstream Communications Inc
8402 1523 1787 Corbina telecom
22773 1302 1986 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1225 1337 Mediacom Communications Corp
11492 1170 1208 CABLE ONE, INC.
1785 1039 1957 PaeTec Communications, Inc.
7011 957 1207 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:678 2:748 3:3 4:13 5:763 6:3
8:503 12:1930 13:3 14:723 15:11 16:3
17:8 20:24 23:244 24:1793 27:1466 31:1155
32:49 33:2 34:5 36:11 37:1300 38:849
39:2 40:153 41:2836 42:174 44:3 46:1757
47:1 49:608 50:652 52:12 54:28 55:9
57:34 58:997 59:558 60:272 61:1325 62:1055
63:2025 64:4272 65:2164 66:4240 67:2043 68:1125
69:3250 70:860 71:525 72:1906 74:2546 75:412
76:290 77:1084 78:1017 79:572 80:1240 81:972
82:615 83:547 84:559 85:1162 86:480 87:941
88:373 89:1741 90:262 91:5432 92:611 93:1729
94:2075 95:1571 96:496 97:335 98:1034 99:37
100:29 101:306 103:2177 105:517 106:131 107:206
108:494 109:1799 110:819 111:1010 112:489 113:730
114:679 115:917 116:862 117:777 118:974 119:1228
120:366 121:690 122:1704 123:1191 124:1285 125:1312
128:497 129:187 130:303 131:639 132:285 133:143
134:246 135:62 136:220 137:230 138:341 139:166
140:191 141:297 142:502 143:371 144:478 145:88
146:524 147:345 148:694 149:350 150:144 151:405
152:400 153:191 154:28 155:371 156:240 157:253
158:263 159:629 160:335 161:397 162:365 163:194
164:571 165:442 166:426 167:575 168:1004 169:129
170:1024 171:165 172:4 173:1574 174:579 175:424
176:1133 177:1725 178:1738 179:1 180:1378 181:249
182:1182 183:327 184:642 185:256 186:2255 187:1286
188:1926 189:1531 190:6599 192:6314 193:5660 194:4516
195:3494 196:1322 197:980 198:4112 199:5199 200:6001
201:2218 202:8642 203:8659 204:4421 205:2528 206:2696
207:2712 208:4062 209:3512 210:2781 211:1551 212:2005
213:1933 214:886 215:94 216:5199 217:1584 218:590
219:309 220:1262 221:552 222:326 223:467
End of report
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