* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 09 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431425
Prefixes after maximum aggregation: 179071
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215531
Total ASes present in the Internet Routing Table: 39575
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 34030
Origin ASes announcing only one prefix: 15935
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: 3626
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8863
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2643186448
Equivalent to 157 /8s, 139 /16s and 211 /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: 150573
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99950
Total APNIC prefixes after maximum aggregation: 31456
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101552
Unique aggregates announced from the APNIC address blocks: 43520
APNIC Region origin ASes present in the Internet Routing Table: 4760
APNIC Prefixes per ASN: 21.33
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 769
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: 715750656
Equivalent to 42 /8s, 169 /16s and 125 /24s
Percentage of available APNIC address space announced: 83.7
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: 153798
Total ARIN prefixes after maximum aggregation: 78031
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154481
Unique aggregates announced from the ARIN address blocks: 70666
ARIN Region origin ASes present in the Internet Routing Table: 15299
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5800
ARIN Region transit ASes present in the Internet Routing Table: 1526
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090203136
Equivalent to 64 /8s, 251 /16s and 46 /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: 113257
Total RIPE prefixes after maximum aggregation: 58240
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116315
Unique aggregates announced from the RIPE address blocks: 74354
RIPE Region origin ASes present in the Internet Routing Table: 17016
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8170
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: 650225680
Equivalent to 38 /8s, 193 /16s and 168 /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: 44820
Total LACNIC prefixes after maximum aggregation: 8919
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48369
Unique aggregates announced from the LACNIC address blocks: 23158
LACNIC Region origin ASes present in the Internet Routing Table: 1757
LACNIC Prefixes per ASN: 27.53
LACNIC Region origin ASes announcing only one prefix: 507
LACNIC Region transit ASes present in the Internet Routing Table: 321
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: 121148160
Equivalent to 7 /8s, 56 /16s and 147 /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: 9976
Total AfriNIC prefixes after maximum aggregation: 2372
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10522
Unique aggregates announced from the AfriNIC address blocks: 3666
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.86
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.3
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: 43269376
Equivalent to 2 /8s, 148 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 43.0
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 2466 828 53 PT Telekomunikasi Indonesia
4766 2117 11548 618 Korea Telecom (KIX)
7545 1809 301 88 TPG Internet Pty Ltd
4755 1644 381 174 TATA Communications formerly
9829 1410 1156 42 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1128 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 2369 1265 210 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1942 677 123 PaeTec Communications, Inc.
20115 1689 1603 620 Charter Communications
4323 1593 1171 396 tw telecom holdings, inc.
30036 1351 287 695 Mediacom Communications Corp
7018 1305 10582 863 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 1768 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 231 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 769 96 117 Ukraine
31148 744 38 14 FreeNet ISP
20940 733 244 578 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 672 367 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 2271 387 210 Types of queries are: POCs, o
28573 2266 1299 71 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 1400 2897 360 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 746 86 91 Telconet S.A
3816 670 308 74 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 880 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 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 2466 828 53 PT Telekomunikasi Indonesia
7029 2369 1265 210 Windstream Communications Inc
10620 2271 387 210 Types of queries are: POCs, o
28573 2266 1299 71 Types of queries are: POCs, o
4766 2117 11548 618 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1942 677 123 PaeTec Communications, Inc.
7545 1809 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 2466 2413 PT Telekomunikasi Indonesia
28573 2266 2195 Types of queries are: POCs, o
7029 2369 2159 Windstream Communications Inc
10620 2271 2061 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1954 1823 Cox Communications Inc.
1785 1942 1819 PaeTec Communications, Inc.
8402 1768 1752 Corbina telecom
7545 1809 1721 TPG Internet Pty Ltd
4766 2117 1499 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.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
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 /14:860 /15:1559 /16:12456 /17:6596 /18:10850
/19:21564 /20:31012 /21:32940 /22:43847 /23:40374 /24:227893
/25:9 /26:11 /27:11 /28:144 /29:188 /30:96
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1772 3116 BellSouth.net Inc.
7029 1718 2369 Windstream Communications Inc
8402 1496 1768 Corbina telecom
22773 1285 1954 Cox Communications Inc.
30036 1251 1351 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1027 1942 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)
----------------------------------------------
1:654 2:721 3:3 4:13 5:705 6:3
8:478 12:1934 13:3 14:685 15:11 16:3
17:6 20:27 23:220 24:1788 27:1470 31:1380
32:49 33:2 34:2 36:11 37:1166 38:834
39:2 40:139 41:2747 42:180 44:3 46:1713
47:3 49:525 50:643 52:12 54:28 55:8
57:31 58:993 59:558 60:230 61:1304 62:1046
63:2034 64:4290 65:2172 66:4263 67:2119 68:1130
69:3336 70:864 71:545 72:1887 74:2543 75:407
76:295 77:1043 78:1033 79:545 80:1225 81:982
82:662 83:536 84:530 85:1166 86:467 87:974
88:359 89:1740 90:303 91:5390 92:605 93:1612
94:1989 95:1642 96:489 97:337 98:968 99:49
100:29 101:297 103:1950 105:516 106:125 107:208
108:488 109:1744 110:826 111:988 112:466 113:719
114:672 115:883 116:883 117:761 118:962 119:1236
120:367 121:694 122:1690 123:1171 124:1280 125:1303
128:774 129:189 130:296 131:641 132:314 133:142
134:241 135:62 136:208 137:234 138:342 139:158
140:156 141:298 142:496 143:371 144:480 145:89
146:511 147:295 148:716 149:333 150:152 151:254
152:396 153:188 154:23 155:443 156:229 157:334
158:257 159:610 160:336 161:397 162:366 163:181
164:578 165:452 166:458 167:570 168:1003 169:130
170:1000 171:162 172:4 173:1520 174:751 175:470
176:946 177:1511 178:1701 180:1364 181:190 182:1141
183:295 184:653 185:157 186:2178 187:1432 188:1919
189:1560 190:6191 192:6058 193:5723 194:4502 195:3598
196:1266 197:351 198:4006 199:5139 200:5965 201:2038
202:8572 203:8593 204:4412 205:2520 206:2694 207:2705
208:4063 209:3518 210:2782 211:1554 212:1991 213:1889
214:860 215:91 216:5041 217:1576 218:584 219:305
220:1260 221:548 222:324 223:395
End of report
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