* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 20 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422129
Prefixes after maximum aggregation: 177036
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210868
Total ASes present in the Internet Routing Table: 39213
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33737
Origin ASes announcing only one prefix: 15803
Transit ASes present in the Internet Routing Table: 5476
Transit-only ASes present in the Internet Routing Table: 128
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1504
Unregistered ASNs in the Routing Table: 351
Number of 32-bit ASNs allocated by the RIRs: 3396
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8112
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 172
Number of addresses announced to Internet: 2626648832
Equivalent to 156 /8s, 143 /16s and 123 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146497
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97849
Total APNIC prefixes after maximum aggregation: 31132
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99221
Unique aggregates announced from the APNIC address blocks: 42941
APNIC Region origin ASes present in the Internet Routing Table: 4724
APNIC Prefixes per ASN: 21.00
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 744
Average APNIC Region AS path length visible: 4.1
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: 708739328
Equivalent to 42 /8s, 62 /16s and 129 /24s
Percentage of available APNIC address space announced: 82.8
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: 153114
Total ARIN prefixes after maximum aggregation: 77697
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153945
Unique aggregates announced from the ARIN address blocks: 69435
ARIN Region origin ASes present in the Internet Routing Table: 15207
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5763
ARIN Region transit ASes present in the Internet Routing Table: 1532
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086752768
Equivalent to 64 /8s, 198 /16s and 136 /24s
Percentage of available ARIN address space announced: 57.5
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: 109461
Total RIPE prefixes after maximum aggregation: 57382
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112120
Unique aggregates announced from the RIPE address blocks: 71992
RIPE Region origin ASes present in the Internet Routing Table: 16891
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8136
RIPE Region transit ASes present in the Internet Routing Table: 2698
Average RIPE Region AS path length visible: 3.4
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: 648394752
Equivalent to 38 /8s, 165 /16s and 184 /24s
Percentage of available RIPE address space announced: 94.3
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: 43287
Total LACNIC prefixes after maximum aggregation: 8533
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 46624
Unique aggregates announced from the LACNIC address blocks: 22781
LACNIC Region origin ASes present in the Internet Routing Table: 1665
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 462
LACNIC Region transit ASes present in the Internet Routing Table: 308
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: 117843968
Equivalent to 7 /8s, 6 /16s and 40 /24s
Percentage of available LACNIC address space announced: 70.2
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: 9560
Total AfriNIC prefixes after maximum aggregation: 2238
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10046
Unique aggregates announced from the AfriNIC address blocks: 3567
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.78
AfriNIC Region origin ASes announcing only one prefix: 170
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: 0
Number of AfriNIC addresses announced to Internet: 42340096
Equivalent to 2 /8s, 134 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 42.1
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 2366 830 54 PT Telekomunikasi Indonesia
4766 2111 11422 603 Korea Telecom (KIX)
7545 1771 301 87 TPG Internet Pty Ltd
4755 1597 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1187 89 515 Sify Limited
24560 1034 382 170 Bharti Airtel Ltd., Telemedia
9498 1019 307 69 BHARTI Airtel Ltd.
18101 1018 135 171 Reliance Infocom Ltd Internet
7552 1013 1062 15 Vietel Corporation
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 3186 3725 167 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1660 1583 615 Charter Communications
4323 1587 1170 391 tw telecom holdings, inc.
30036 1352 269 747 Mediacom Communications Corp
7018 1280 10321 852 AT&T Services, Inc.
7011 1221 333 691 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 1729 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 813 206 189 BILISIM TELEKOM
6830 725 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 702 93 144 Ukraine
20940 688 222 545 Akamai Technologies European
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 597 364 61 Bezeq International
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 2195 378 227 Types of queries are: POCs, o
28573 2133 1277 60 Types of queries are: POCs, o
7303 1661 1131 202 Telecom Argentina S.A.
6503 1528 419 70 Axtel, S.A.B. de C.V.
8151 1447 3026 352 Uninet S.A. de C.V.
27947 714 75 91 Telconet S.A
3816 650 309 69 Types of queries are: POCs, o
11172 596 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 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 896 307 37 LINKdotNET AS number
36998 672 48 3 MOBITEL
8452 644 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
15399 191 29 5 Wananchi Online Limited
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 3186 3725 167 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
17974 2366 830 54 PT Telekomunikasi Indonesia
10620 2195 378 227 Types of queries are: POCs, o
28573 2133 1277 60 Types of queries are: POCs, o
4766 2111 11422 603 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1771 301 87 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
7029 3134 2972 Windstream Communications Inc
17974 2366 2312 PT Telekomunikasi Indonesia
28573 2133 2073 Types of queries are: POCs, o
10620 2195 1968 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1924 1799 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1729 1713 Corbina telecom
7545 1771 1684 TPG Internet Pty Ltd
4766 2111 1508 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:87 /12:242
/13:476 /14:850 /15:1558 /16:12404 /17:6526 /18:10760
/19:21154 /20:30378 /21:32306 /22:42491 /23:39819 /24:222431
/25:9 /26:13 /27:11 /28:144 /29:178 /30:88
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2623 3134 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1792 3186 BellSouth.net Inc.
8402 1442 1729 Corbina telecom
30036 1279 1352 Mediacom Communications Corp
22773 1247 1907 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1016 1924 PaeTec Communications, Inc.
7011 957 1221 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:608 2:752 3:1 4:13 5:575 6:3
8:472 12:1981 13:1 14:653 15:11 16:3
17:6 20:27 23:210 24:1784 27:1368 31:1052
32:49 33:2 34:2 36:7 37:860 38:823
39:2 40:136 41:2809 42:158 44:3 46:1638
47:2 49:452 50:594 52:12 54:25 55:8
56:5 57:31 58:977 59:538 60:230 61:1278
62:959 63:1993 64:4275 65:2226 66:4514 67:2125
68:1154 69:3234 70:986 71:505 72:1868 74:2608
75:481 76:309 77:976 78:979 79:503 80:1233
81:975 82:632 83:543 84:521 85:1153 86:486
87:948 88:360 89:1791 90:304 91:5265 92:595
93:1483 94:1643 95:1137 96:396 97:325 98:974
99:36 100:31 101:264 103:1653 105:428 106:121
107:201 108:466 109:1613 110:802 111:970 112:428
113:711 114:613 115:881 116:868 117:741 118:943
119:1178 120:341 121:677 122:1664 123:1161 124:1304
125:1282 128:532 129:184 130:271 131:609 132:293
133:22 134:239 135:62 136:217 137:238 138:336
139:168 140:466 141:285 142:474 143:374 144:493
145:82 146:501 147:259 148:737 149:330 150:148
151:200 152:446 153:179 154:19 155:430 156:224
157:326 158:258 159:578 160:339 161:389 162:364
163:180 164:558 165:437 166:525 167:556 168:991
169:125 170:920 171:166 172:7 173:1657 174:617
175:452 176:760 177:1298 178:1641 180:1345 181:161
182:1097 183:313 184:607 185:28 186:2220 187:1334
188:1768 189:1593 190:5805 192:5997 193:5542 194:4597
195:3666 196:1227 197:244 198:3811 199:5061 200:5919
201:1966 202:8477 203:8613 204:4338 205:2510 206:2652
207:2730 208:4062 209:3607 210:2751 211:1527 212:2026
213:1857 214:889 215:86 216:5103 217:1572 218:559
219:296 220:1243 221:532 222:337 223:404
End of report
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