* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 22 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437200
Prefixes after maximum aggregation: 180428
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217813
Total ASes present in the Internet Routing Table: 39800
Prefixes per ASN: 10.98
Origin-only ASes present in the Internet Routing Table: 34203
Origin ASes announcing only one prefix: 15957
Transit ASes present in the Internet Routing Table: 5597
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 967
Unregistered ASNs in the Routing Table: 175
Number of 32-bit ASNs allocated by the RIRs: 3770
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9339
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 2638032384
Equivalent to 157 /8s, 61 /16s and 46 /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: 152977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100972
Total APNIC prefixes after maximum aggregation: 31670
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 102693
Unique aggregates announced from the APNIC address blocks: 43846
APNIC Region origin ASes present in the Internet Routing Table: 4768
APNIC Prefixes per ASN: 21.54
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 775
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: 717486080
Equivalent to 42 /8s, 195 /16s and 248 /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: 154590
Total ARIN prefixes after maximum aggregation: 78485
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155238
Unique aggregates announced from the ARIN address blocks: 71232
ARIN Region origin ASes present in the Internet Routing Table: 15403
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5837
ARIN Region transit ASes present in the Internet Routing Table: 1552
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: 1076279296
Equivalent to 64 /8s, 38 /16s and 184 /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: 114173
Total RIPE prefixes after maximum aggregation: 58759
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117408
Unique aggregates announced from the RIPE address blocks: 75117
RIPE Region origin ASes present in the Internet Routing Table: 17057
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8150
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653472768
Equivalent to 38 /8s, 243 /16s and 52 /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: 46576
Total LACNIC prefixes after maximum aggregation: 9001
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 50297
Unique aggregates announced from the LACNIC address blocks: 23616
LACNIC Region origin ASes present in the Internet Routing Table: 1820
LACNIC Prefixes per ASN: 27.64
LACNIC Region origin ASes announcing only one prefix: 533
LACNIC Region transit ASes present in the Internet Routing Table: 331
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: 123209728
Equivalent to 7 /8s, 88 /16s and 8 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10786
Total AfriNIC prefixes after maximum aggregation: 2456
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11367
Unique aggregates announced from the AfriNIC address blocks: 3824
AfriNIC Region origin ASes present in the Internet Routing Table: 598
AfriNIC Prefixes per ASN: 19.01
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 44971008
Equivalent to 2 /8s, 174 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 44.7
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 2476 820 79 PT Telekomunikasi Indonesia
4766 2124 11551 629 Korea Telecom (KIX)
7545 1821 301 89 TPG Internet Pty Ltd
4755 1666 382 188 TATA Communications formerly
9829 1424 1140 43 National Internet Backbone
9583 1199 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1063 310 75 BHARTI Airtel Ltd.
24560 1047 385 160 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 3059 3695 98 BellSouth.net Inc.
7029 2165 1265 209 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1990 2931 127 Cox Communications Inc.
1785 1959 677 124 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1601 1155 397 tw telecom holdings, inc.
30036 1347 288 681 Mediacom Communications Corp
7018 1316 10585 866 AT&T Services, Inc.
11492 1207 221 334 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 1785 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1060 232 207 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 829 783 68 France Telecom Espana SA
31148 767 39 20 FreeNet ISP
20940 745 253 590 Akamai Technologies European
8551 731 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 681 185 39 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 2399 1330 84 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1378 435 69 Axtel, S.A.B. de C.V.
8151 1358 2825 390 Uninet S.A. de C.V.
14754 942 131 77 Telgua
18881 781 716 18 Global Village Telecom
27947 759 86 96 Telconet S.A
3816 689 307 87 Types of queries are: POCs, o
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 1285 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 529 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 201 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 3059 3695 98 BellSouth.net Inc.
17974 2476 820 79 PT Telekomunikasi Indonesia
28573 2399 1330 84 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7029 2165 1265 209 Windstream Communications Inc
4766 2124 11551 629 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1990 2931 127 Cox Communications Inc.
1785 1959 677 124 PaeTec Communications, Inc.
7545 1821 301 89 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 2476 2397 PT Telekomunikasi Indonesia
28573 2399 2315 Types of queries are: POCs, o
10620 2319 2096 Types of queries are: POCs, o
7029 2165 1956 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1990 1863 Cox Communications Inc.
1785 1959 1835 PaeTec Communications, Inc.
8402 1785 1769 Corbina telecom
7545 1821 1732 TPG Internet Pty Ltd
4766 2124 1495 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 /14:864 /15:1553 /16:12526 /17:6615 /18:10938
/19:21722 /20:31200 /21:33286 /22:45262 /23:40786 /24:230975
/25:9 /26:11 /27:11 /28:142 /29:192 /30:93
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1757 3059 BellSouth.net Inc.
7029 1553 2165 Windstream Communications Inc
8402 1520 1785 Corbina telecom
22773 1304 1990 Cox Communications Inc.
36998 1279 1285 MOBITEL
30036 1238 1347 Mediacom Communications Corp
11492 1169 1207 CABLE ONE, INC.
1785 1040 1959 PaeTec Communications, Inc.
7011 951 1194 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:658 2:742 3:3 4:13 5:749 6:3
8:500 12:1934 13:3 14:723 15:11 16:3
17:8 20:24 23:243 24:1795 27:1455 31:1150
32:49 33:2 34:5 36:11 37:1290 38:847
39:2 40:141 41:2755 42:177 44:3 46:1742
47:1 49:611 50:652 52:12 54:28 55:7
57:31 58:989 59:555 60:254 61:1321 62:1048
63:2022 64:4304 65:2165 66:4257 67:2034 68:1123
69:3259 70:860 71:522 72:1886 74:2547 75:415
76:291 77:1085 78:1025 79:571 80:1220 81:971
82:634 83:541 84:556 85:1158 86:478 87:932
88:379 89:1731 90:282 91:5434 92:622 93:1736
94:2072 95:1587 96:490 97:336 98:1040 99:49
100:29 101:308 103:2148 105:519 106:133 107:206
108:494 109:1768 110:833 111:1010 112:488 113:727
114:681 115:918 116:857 117:784 118:982 119:1229
120:363 121:682 122:1677 123:1185 124:1286 125:1312
128:497 129:187 130:303 131:632 132:317 133:143
134:248 135:62 136:220 137:231 138:341 139:165
140:192 141:302 142:506 143:373 144:478 145:88
146:523 147:344 148:690 149:348 150:157 151:400
152:399 153:191 154:28 155:369 156:240 157:344
158:264 159:626 160:333 161:397 162:368 163:191
164:569 165:442 166:437 167:575 168:1005 169:129
170:1022 171:164 172:4 173:1550 174:580 175:421
176:1107 177:1676 178:1734 180:1380 181:234 182:1175
183:328 184:639 185:248 186:2307 187:1422 188:1928
189:1509 190:6583 192:6291 193:5664 194:4507 195:3496
196:1321 197:966 198:4098 199:5182 200:5989 201:2195
202:8677 203:8646 204:4407 205:2531 206:2699 207:2745
208:4058 209:3502 210:2780 211:1547 212:2030 213:1924
214:902 215:91 216:5205 217:1584 218:591 219:308
220:1261 221:547 222:323 223:460
End of report
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