* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 20 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 439628
Prefixes after maximum aggregation: 181208
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 219300
Total ASes present in the Internet Routing Table: 39967
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 34331
Origin ASes announcing only one prefix: 16046
Transit ASes present in the Internet Routing Table: 5628
Transit-only ASes present in the Internet Routing Table: 118
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: 946
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4627
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9710
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 207
Number of addresses announced to Internet: 2643941120
Equivalent to 157 /8s, 151 /16s and 87 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 153577
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101877
Total APNIC prefixes after maximum aggregation: 31833
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103644
Unique aggregates announced from the APNIC address blocks: 44144
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 21.72
APNIC Region origin ASes announcing only one prefix: 1255
APNIC Region transit ASes present in the Internet Routing Table: 785
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718438656
Equivalent to 42 /8s, 210 /16s and 129 /24s
Percentage of available APNIC address space announced: 84.0
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: 155439
Total ARIN prefixes after maximum aggregation: 78722
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156128
Unique aggregates announced from the ARIN address blocks: 71844
ARIN Region origin ASes present in the Internet Routing Table: 15487
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5885
ARIN Region transit ASes present in the Internet Routing Table: 1553
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: 2
Number of ARIN addresses announced to Internet: 1078187776
Equivalent to 64 /8s, 67 /16s and 215 /24s
Percentage of available ARIN address space announced: 57.0
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: 114625
Total RIPE prefixes after maximum aggregation: 58978
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 118066
Unique aggregates announced from the RIPE address blocks: 75604
RIPE Region origin ASes present in the Internet Routing Table: 17090
RIPE Prefixes per ASN: 6.91
RIPE Region origin ASes announcing only one prefix: 8166
RIPE Region transit ASes present in the Internet Routing Table: 2765
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 654523648
Equivalent to 39 /8s, 3 /16s and 61 /24s
Percentage of available RIPE address space announced: 95.2
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: 46582
Total LACNIC prefixes after maximum aggregation: 9190
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50326
Unique aggregates announced from the LACNIC address blocks: 23742
LACNIC Region origin ASes present in the Internet Routing Table: 1855
LACNIC Prefixes per ASN: 27.13
LACNIC Region origin ASes announcing only one prefix: 558
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: 3
Number of LACNIC addresses announced to Internet: 124511488
Equivalent to 7 /8s, 107 /16s and 229 /24s
Percentage of available LACNIC address space announced: 74.2
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: 10637
Total AfriNIC prefixes after maximum aggregation: 2435
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11256
Unique aggregates announced from the AfriNIC address blocks: 3779
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 1
Number of AfriNIC addresses announced to Internet: 45650432
Equivalent to 2 /8s, 184 /16s and 146 /24s
Percentage of available AfriNIC address space announced: 45.3
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 2495 840 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1833 301 88 TPG Internet Pty Ltd
4755 1704 392 195 TATA Communications formerly
9829 1465 1173 43 National Internet Backbone
9583 1287 98 532 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1068 310 75 BHARTI Airtel Ltd.
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
18101 1009 135 172 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 3038 3695 92 BellSouth.net Inc.
7029 2175 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1961 677 123 PaeTec Communications, Inc.
20115 1680 1611 622 Charter Communications
4323 1611 1155 400 tw telecom holdings, inc.
30036 1332 292 692 Mediacom Communications Corp
7018 1314 10841 854 AT&T Services, Inc.
11492 1210 222 329 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 1815 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1107 233 206 BILISIM TELEKOM
12479 837 786 66 France Telecom Espana SA
13188 837 99 34 Ukraine
20940 795 277 633 Akamai Technologies European
8551 792 370 43 Bezeq International
31148 781 40 18 FreeNet ISP
6830 716 2314 437 UPC Broadband
58113 664 73 386 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
28573 2460 1338 91 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7303 1673 1148 209 Telecom Argentina S.A.
6503 1222 435 70 Axtel, S.A.B. de C.V.
8151 1195 2669 390 Uninet S.A. de C.V.
14754 942 129 85 Telgua
18881 831 716 18 Global Village Telecom
27947 767 87 95 Telconet S.A
3816 695 307 87 Types of queries are: POCs, o
7738 650 1306 35 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 1178 80 4 MOBITEL
24863 893 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 511 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 207 11 5 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 3038 3695 92 BellSouth.net Inc.
17974 2495 840 90 PT Telekomunikasi Indonesia
28573 2460 1338 91 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7029 2175 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1961 677 123 PaeTec Communications, Inc.
7545 1833 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 2495 2405 PT Telekomunikasi Indonesia
28573 2460 2369 Types of queries are: POCs, o
10620 2354 2122 Types of queries are: POCs, o
7029 2175 1960 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1993 1868 Cox Communications Inc.
1785 1961 1838 PaeTec Communications, Inc.
8402 1815 1799 Corbina telecom
7545 1833 1745 TPG Internet Pty Ltd
4766 2141 1515 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.
128.0.72.0/21 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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
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 /14:869 /15:1560 /16:12600 /17:6621 /18:10850
/19:21654 /20:31605 /21:33439 /22:45607 /23:41189 /24:232146
/25:9 /26:11 /27:12 /28:143 /29:196 /30:101
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1743 3038 BellSouth.net Inc.
7029 1567 2175 Windstream Communications Inc
8402 1545 1815 Corbina telecom
22773 1304 1993 Cox Communications Inc.
30036 1215 1332 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
36998 1172 1178 MOBITEL
1785 1041 1961 PaeTec Communications, Inc.
7011 950 1198 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:688 2:757 3:3 4:13 5:708 6:3
8:510 12:1931 13:3 14:739 15:11 16:3
17:8 20:19 23:242 24:1796 27:1453 31:1182
32:39 33:2 34:5 36:43 37:1443 38:854
39:2 40:159 41:2767 42:170 44:6 46:1739
47:2 49:612 50:655 52:12 54:28 55:9
57:31 58:1002 59:575 60:298 61:1382 62:1023
63:2035 64:4281 65:2173 66:4266 67:2054 68:1116
69:3262 70:881 71:519 72:1896 74:2549 75:399
76:283 77:1086 78:1028 79:576 80:1239 81:978
82:648 83:562 84:561 85:1155 86:473 87:941
88:376 89:1758 90:262 91:5441 92:601 93:1708
94:1869 95:1568 96:499 97:336 98:1045 99:38
100:28 101:307 103:2293 105:483 106:131 107:207
108:499 109:1797 110:841 111:1035 112:494 113:750
114:677 115:956 116:863 117:794 118:1004 119:1227
120:370 121:764 122:1698 123:1191 124:1290 125:1306
128:505 129:193 130:311 131:641 132:322 133:142
134:247 135:60 136:220 137:239 138:343 139:176
140:174 141:302 142:515 143:377 144:484 145:89
146:509 147:356 148:691 149:355 150:150 151:467
152:410 153:193 154:31 155:375 156:247 157:345
158:267 159:628 160:335 161:401 162:372 163:195
164:567 165:447 166:391 167:575 168:1009 169:129
170:1024 171:168 172:4 173:1592 174:578 175:434
176:1143 177:1758 178:1806 180:1380 181:285 182:1212
183:349 184:659 185:304 186:2344 187:1258 188:1916
189:1409 190:6569 192:6356 193:5682 194:4522 195:3473
196:1314 197:880 198:4166 199:5216 200:5963 201:2249
202:8673 203:8664 204:4411 205:2556 206:2695 207:2755
208:4051 209:3511 210:2792 211:1555 212:2044 213:1970
214:908 215:95 216:5181 217:1572 218:593 219:320
220:1265 221:547 222:313 223:483
End of report
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