* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 06 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430850
Prefixes after maximum aggregation: 179057
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215478
Total ASes present in the Internet Routing Table: 39541
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 33996
Origin ASes announcing only one prefix: 15929
Transit ASes present in the Internet Routing Table: 5545
Transit-only ASes present in the Internet Routing Table: 123
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: 978
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3618
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8760
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2642685712
Equivalent to 157 /8s, 132 /16s and 47 /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: 94.1
Total number of prefixes smaller than registry allocations: 150145
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99923
Total APNIC prefixes after maximum aggregation: 31470
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101508
Unique aggregates announced from the APNIC address blocks: 43482
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.31
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 770
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: 715659008
Equivalent to 42 /8s, 168 /16s and 23 /24s
Percentage of available APNIC address space announced: 83.6
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: 153709
Total ARIN prefixes after maximum aggregation: 78004
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154402
Unique aggregates announced from the ARIN address blocks: 70707
ARIN Region origin ASes present in the Internet Routing Table: 15298
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5803
ARIN Region transit ASes present in the Internet Routing Table: 1530
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090266112
Equivalent to 64 /8s, 252 /16s and 36 /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: 113145
Total RIPE prefixes after maximum aggregation: 58264
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116190
Unique aggregates announced from the RIPE address blocks: 74333
RIPE Region origin ASes present in the Internet Routing Table: 16990
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2723
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: 649997072
Equivalent to 38 /8s, 190 /16s and 43 /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: 44752
Total LACNIC prefixes after maximum aggregation: 8912
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48212
Unique aggregates announced from the LACNIC address blocks: 23150
LACNIC Region origin ASes present in the Internet Routing Table: 1753
LACNIC Prefixes per ASN: 27.50
LACNIC Region origin ASes announcing only one prefix: 509
LACNIC Region transit ASes present in the Internet Routing Table: 315
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: 121105664
Equivalent to 7 /8s, 55 /16s and 237 /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: 9810
Total AfriNIC prefixes after maximum aggregation: 2354
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 10359
Unique aggregates announced from the AfriNIC address blocks: 3646
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 187
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: 43091200
Equivalent to 2 /8s, 145 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2469 829 54 PT Telekomunikasi Indonesia
4766 2106 11548 615 Korea Telecom (KIX)
7545 1807 301 89 TPG Internet Pty Ltd
4755 1643 381 174 TATA Communications formerly
9829 1414 1155 41 National Internet Backbone
9583 1189 89 506 Sify Limited
7552 1127 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1038 385 161 Bharti Airtel Ltd., Telemedia
18101 1016 135 170 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 3116 3701 131 BellSouth.net Inc.
7029 2289 1266 216 Windstream Communications Inc
18566 2075 381 182 Covad Communications Co.
22773 1953 2932 131 Cox Communications Inc.
1785 1943 677 123 PaeTec Communications, Inc.
20115 1689 1603 620 Charter Communications
4323 1593 1171 396 tw telecom holdings, inc.
30036 1353 287 708 Mediacom Communications Corp
7018 1301 10582 861 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 1708 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 922 216 244 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 769 96 117 Ukraine
31148 743 38 15 FreeNet ISP
20940 731 242 576 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 680 367 39 Bezeq International
58113 633 70 378 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
10620 2269 387 211 Types of queries are: POCs, o
28573 2265 1299 70 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1406 2911 356 Uninet S.A. de C.V.
18881 747 716 18 Global Village Telecom
27947 745 86 90 Telconet S.A
3816 672 309 70 Types of queries are: POCs, o
11172 602 101 66 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 878 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 543 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
37054 210 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 3116 3701 131 BellSouth.net Inc.
17974 2469 829 54 PT Telekomunikasi Indonesia
7029 2289 1266 216 Windstream Communications Inc
10620 2269 387 211 Types of queries are: POCs, o
28573 2265 1299 70 Types of queries are: POCs, o
4766 2106 11548 615 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1953 2932 131 Cox Communications Inc.
1785 1943 677 123 PaeTec Communications, Inc.
7545 1807 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 2469 2415 PT Telekomunikasi Indonesia
28573 2265 2195 Types of queries are: POCs, o
7029 2289 2073 Windstream Communications Inc
10620 2269 2058 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1953 1822 Cox Communications Inc.
1785 1943 1820 PaeTec Communications, Inc.
7545 1807 1718 TPG Internet Pty Ltd
8402 1708 1692 Corbina telecom
4766 2106 1491 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.
128.0.64.0/22 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
128.0.106.0/24 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
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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /12:246
/13:476 /14:861 /15:1556 /16:12450 /17:6585 /18:10829
/19:21582 /20:31006 /21:32902 /22:43736 /23:40293 /24:227586
/25:9 /26:11 /27:11 /28:143 /29:186 /30:94
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2025 2075 Covad Communications Co.
6389 1772 3116 BellSouth.net Inc.
7029 1641 2289 Windstream Communications Inc
8402 1435 1708 Corbina telecom
22773 1284 1953 Cox Communications Inc.
30036 1254 1353 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1027 1943 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 954 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)
----------------------------------------------
1:650 2:683 3:3 4:13 5:697 6:3
8:478 12:1935 13:3 14:685 15:11 16:3
17:6 20:27 23:219 24:1788 27:1470 31:1385
32:49 33:2 34:2 36:11 37:1160 38:834
39:2 40:139 41:2659 42:180 44:3 46:1694
47:3 49:531 50:642 52:12 54:28 55:8
57:31 58:992 59:558 60:231 61:1302 62:1035
63:2019 64:4298 65:2176 66:4250 67:2118 68:1130
69:3309 70:862 71:542 72:1887 74:2544 75:407
76:295 77:1041 78:1028 79:546 80:1222 81:984
82:662 83:531 84:530 85:1165 86:466 87:971
88:359 89:1736 90:303 91:5398 92:613 93:1615
94:1982 95:1619 96:488 97:337 98:968 99:48
100:30 101:297 103:1964 105:501 106:125 107:206
108:489 109:1741 110:821 111:984 112:466 113:721
114:677 115:875 116:882 117:760 118:969 119:1229
120:366 121:695 122:1689 123:1169 124:1280 125:1303
128:774 129:189 130:296 131:636 132:314 133:142
134:242 135:62 136:208 137:232 138:342 139:157
140:156 141:298 142:496 143:352 144:488 145:89
146:512 147:321 148:714 149:334 150:149 151:246
152:396 153:188 154:23 155:443 156:229 157:334
158:257 159:606 160:335 161:383 162:367 163:181
164:581 165:455 166:457 167:570 168:1003 169:129
170:1000 171:164 172:4 173:1551 174:749 175:469
176:948 177:1492 178:1700 180:1358 181:187 182:1139
183:292 184:645 185:155 186:2146 187:1430 188:1915
189:1561 190:6185 192:6059 193:5721 194:4502 195:3603
196:1246 197:347 198:3992 199:5137 200:5959 201:2026
202:8582 203:8615 204:4405 205:2517 206:2705 207:2724
208:4059 209:3523 210:2780 211:1553 212:2010 213:1884
214:872 215:91 216:5062 217:1572 218:584 219:304
220:1257 221:548 222:323 223:393
End of report
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