* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 02 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431619
Prefixes after maximum aggregation: 178852
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215364
Total ASes present in the Internet Routing Table: 39543
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 34008
Origin ASes announcing only one prefix: 15930
Transit ASes present in the Internet Routing Table: 5535
Transit-only ASes present in the Internet Routing Table: 124
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: 981
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 3616
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8751
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2641486864
Equivalent to 157 /8s, 113 /16s and 228 /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: 94.1
Total number of prefixes smaller than registry allocations: 151062
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99790
Total APNIC prefixes after maximum aggregation: 31446
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101338
Unique aggregates announced from the APNIC address blocks: 43522
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.28
APNIC Region origin ASes announcing only one prefix: 1277
APNIC Region transit ASes present in the Internet Routing Table: 761
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: 715472384
Equivalent to 42 /8s, 165 /16s and 62 /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: 154634
Total ARIN prefixes after maximum aggregation: 77893
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 155324
Unique aggregates announced from the ARIN address blocks: 70602
ARIN Region origin ASes present in the Internet Routing Table: 15289
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5803
ARIN Region transit ASes present in the Internet Routing Table: 1528
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: 1089368064
Equivalent to 64 /8s, 238 /16s and 112 /24s
Percentage of available ARIN address space announced: 57.6
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: 113165
Total RIPE prefixes after maximum aggregation: 58182
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116119
Unique aggregates announced from the RIPE address blocks: 74245
RIPE Region origin ASes present in the Internet Routing Table: 16994
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8156
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: 650425104
Equivalent to 38 /8s, 196 /16s and 179 /24s
Percentage of available RIPE address space announced: 94.6
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: 44723
Total LACNIC prefixes after maximum aggregation: 8909
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48270
Unique aggregates announced from the LACNIC address blocks: 23099
LACNIC Region origin ASes present in the Internet Routing Table: 1754
LACNIC Prefixes per ASN: 27.52
LACNIC Region origin ASes announcing only one prefix: 505
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 120759552
Equivalent to 7 /8s, 50 /16s and 165 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9800
Total AfriNIC prefixes after maximum aggregation: 2369
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10388
Unique aggregates announced from the AfriNIC address blocks: 3735
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.67
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 42885120
Equivalent to 2 /8s, 142 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2467 829 54 PT Telekomunikasi Indonesia
4766 2118 11548 618 Korea Telecom (KIX)
7545 1806 301 88 TPG Internet Pty Ltd
4755 1641 381 174 TATA Communications formerly
9829 1413 1156 42 National Internet Backbone
9583 1189 89 506 Sify Limited
7552 1129 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 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
7029 3417 1010 213 Windstream Communications Inc
6389 3117 3701 131 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1951 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
20115 1686 1603 617 Charter Communications
4323 1595 1171 396 tw telecom holdings, inc.
30036 1359 287 705 Mediacom Communications Corp
7018 1300 10582 860 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 1649 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 770 99 76 Ukraine
31148 743 38 15 FreeNet ISP
20940 727 239 572 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 658 367 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 2270 387 207 Types of queries are: POCs, o
28573 2266 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 1399 2922 349 Uninet S.A. de C.V.
27947 745 86 90 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 70 Types of queries are: POCs, o
11172 601 101 66 Alestra, S. de R.L. de C.V.
7738 588 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 877 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 538 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
15399 195 29 7 Wananchi Online Limited
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
7029 3417 1010 213 Windstream Communications Inc
6389 3117 3701 131 BellSouth.net Inc.
17974 2467 829 54 PT Telekomunikasi Indonesia
10620 2270 387 207 Types of queries are: POCs, o
28573 2266 1299 70 Types of queries are: POCs, o
4766 2118 11548 618 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1951 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
7545 1806 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
6389 3117 2986 BellSouth.net Inc.
17974 2467 2413 PT Telekomunikasi Indonesia
28573 2266 2196 Types of queries are: POCs, o
10620 2270 2063 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1951 1820 Cox Communications Inc.
1785 1939 1816 PaeTec Communications, Inc.
7545 1806 1718 TPG Internet Pty Ltd
8402 1649 1633 Corbina telecom
4766 2118 1500 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
41.223.108.0/22 36966 >>UNKNOWN<<
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.
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 /12:245
/13:476 /14:861 /15:1556 /16:12448 /17:6597 /18:10855
/19:21578 /20:30979 /21:32910 /22:43815 /23:40421 /24:228130
/25:9 /26:11 /27:11 /28:144 /29:187 /30:94
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2686 3417 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1773 3117 BellSouth.net Inc.
8402 1373 1649 Corbina telecom
22773 1282 1951 Cox Communications Inc.
30036 1262 1359 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1023 1939 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)
----------------------------------------------
1:669 2:670 3:3 4:13 5:703 6:3
8:469 12:1929 13:3 14:685 15:11 16:3
17:6 20:27 23:219 24:1788 27:1465 31:1368
32:49 33:2 34:2 36:11 37:1152 38:833
39:2 40:141 41:2667 42:180 44:3 46:1696
47:3 49:528 50:649 52:12 54:28 55:8
56:1 57:31 58:990 59:557 60:232 61:1301
62:1052 63:2012 64:4341 65:2191 66:4477 67:2084
68:1193 69:3323 70:936 71:554 72:1890 74:2612
75:472 76:296 77:1042 78:1028 79:526 80:1220
81:983 82:666 83:538 84:527 85:1164 86:465
87:972 88:362 89:1747 90:304 91:5384 92:612
93:1622 94:1987 95:1582 96:489 97:337 98:966
99:37 100:30 101:287 103:1943 105:501 106:125
107:203 108:492 109:1752 110:815 111:984 112:466
113:724 114:640 115:871 116:877 117:759 118:959
119:1227 120:364 121:695 122:1691 123:1169 124:1284
125:1301 128:777 129:187 130:295 131:640 132:314
133:142 134:241 135:62 136:215 137:231 138:343
139:168 140:156 141:298 142:497 143:350 144:488
145:89 146:511 147:323 148:714 149:333 150:150
151:246 152:397 153:188 154:22 155:442 156:228
157:329 158:257 159:597 160:335 161:397 162:369
163:181 164:576 165:452 166:464 167:570 168:1003
169:129 170:988 171:164 172:4 173:1629 174:766
175:465 176:940 177:1508 178:1699 180:1329 181:189
182:1135 183:290 184:651 185:151 186:2157 187:1450
188:1907 189:1562 190:6172 192:6040 193:5720 194:4498
195:3614 196:1256 197:296 198:3969 199:5120 200:5953
201:2023 202:8568 203:8641 204:4401 205:2503 206:2715
207:2738 208:4055 209:3644 210:2780 211:1553 212:2012
213:1867 214:857 215:91 216:5120 217:1572 218:583
219:304 220:1256 221:544 222:324 223:387
End of report
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