* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 14 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430678
Prefixes after maximum aggregation: 178487
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 214572
Total ASes present in the Internet Routing Table: 39484
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 33987
Origin ASes announcing only one prefix: 15887
Transit ASes present in the Internet Routing Table: 5497
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: 1815
Unregistered ASNs in the Routing Table: 471
Number of 32-bit ASNs allocated by the RIRs: 3577
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8636
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 151
Number of addresses announced to Internet: 2640208144
Equivalent to 157 /8s, 94 /16s and 97 /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: 94.0
Total number of prefixes smaller than registry allocations: 150929
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99358
Total APNIC prefixes after maximum aggregation: 31266
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 100921
Unique aggregates announced from the APNIC address blocks: 43232
APNIC Region origin ASes present in the Internet Routing Table: 4761
APNIC Prefixes per ASN: 21.20
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 757
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: 714858752
Equivalent to 42 /8s, 155 /16s and 225 /24s
Percentage of available APNIC address space announced: 83.5
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: 154538
Total ARIN prefixes after maximum aggregation: 77950
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155242
Unique aggregates announced from the ARIN address blocks: 70329
ARIN Region origin ASes present in the Internet Routing Table: 15271
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5786
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1089144832
Equivalent to 64 /8s, 235 /16s and 8 /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: 112843
Total RIPE prefixes after maximum aggregation: 58009
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 115756
Unique aggregates announced from the RIPE address blocks: 74124
RIPE Region origin ASes present in the Internet Routing Table: 16973
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8128
RIPE Region transit ASes present in the Internet Routing Table: 2694
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: 650166544
Equivalent to 38 /8s, 192 /16s and 193 /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: 44599
Total LACNIC prefixes after maximum aggregation: 8848
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48084
Unique aggregates announced from the LACNIC address blocks: 23101
LACNIC Region origin ASes present in the Internet Routing Table: 1736
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 507
LACNIC Region transit ASes present in the Internet Routing Table: 314
Average LACNIC Region AS path length visible: 3.9
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: 120560384
Equivalent to 7 /8s, 47 /16s and 155 /24s
Percentage of available LACNIC address space announced: 71.9
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: 9935
Total AfriNIC prefixes after maximum aggregation: 2361
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10523
Unique aggregates announced from the AfriNIC address blocks: 3653
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.90
AfriNIC Region origin ASes announcing only one prefix: 190
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 42895872
Equivalent to 2 /8s, 142 /16s and 138 /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 2431 826 46 PT Telekomunikasi Indonesia
4766 2110 11548 609 Korea Telecom (KIX)
7545 1806 301 90 TPG Internet Pty Ltd
4755 1632 381 171 TATA Communications formerly
9829 1415 1156 42 National Internet Backbone
9583 1170 88 503 Sify Limited
7552 1124 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1029 307 70 BHARTI Airtel Ltd.
18101 1017 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 3191 994 216 Windstream Communications Inc
6389 3130 3718 140 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1943 2932 131 Cox Communications Inc.
1785 1935 677 122 PaeTec Communications, Inc.
20115 1686 1606 622 Charter Communications
4323 1589 1169 394 tw telecom holdings, inc.
30036 1380 290 721 Mediacom Communications Corp
7018 1295 10566 860 AT&T Services, Inc.
7011 1215 322 692 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 1650 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 871 211 229 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 750 95 134 Ukraine
31148 740 38 13 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 707 229 550 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 631 367 39 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 2264 386 207 Types of queries are: POCs, o
28573 2212 1298 69 Types of queries are: POCs, o
7303 1672 1139 200 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1452 3012 345 Uninet S.A. de C.V.
27947 739 86 90 Telconet S.A
3816 661 309 70 Types of queries are: POCs, o
18881 608 716 18 Global Village Telecom
11172 603 101 68 Alestra, S. de R.L. de C.V.
7738 579 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 871 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 687 958 13 TEDATA
6713 482 602 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 194 28 66 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 3191 994 216 Windstream Communications Inc
6389 3130 3718 140 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2212 1298 69 Types of queries are: POCs, o
4766 2110 11548 609 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1943 2932 131 Cox Communications Inc.
1785 1935 677 122 PaeTec Communications, Inc.
7545 1806 301 90 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 3130 2990 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2212 2143 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
1785 1935 1813 PaeTec Communications, Inc.
22773 1943 1812 Cox Communications Inc.
7545 1806 1716 TPG Internet Pty Ltd
8402 1650 1634 Corbina telecom
4766 2110 1501 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Data Networks
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
65.111.1.0/24 32258 SDN Global
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
/13:475 /14:859 /15:1558 /16:12439 /17:6600 /18:10873
/19:21549 /20:30844 /21:32727 /22:43667 /23:40336 /24:227748
/25:9 /26:12 /27:11 /28:146 /29:192 /30:99
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2620 3191 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1776 3130 BellSouth.net Inc.
8402 1386 1650 Corbina telecom
30036 1287 1380 Mediacom Communications Corp
22773 1276 1943 Cox Communications Inc.
11492 1147 1183 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1022 1935 PaeTec Communications, Inc.
7011 954 1215 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:610 2:683 3:1 4:13 5:684 6:3
8:485 12:1944 13:3 14:686 15:11 16:3
17:6 20:27 23:221 24:1789 27:1433 31:1337
32:49 33:2 34:2 36:7 37:1087 38:837
39:2 40:141 41:2832 42:179 44:3 46:1701
47:3 49:512 50:620 52:12 54:28 55:8
57:31 58:990 59:550 60:229 61:1292 62:1054
63:2016 64:4363 65:2203 66:4487 67:2082 68:1185
69:3331 70:934 71:556 72:1889 74:2629 75:471
76:290 77:1023 78:1000 79:517 80:1209 81:978
82:639 83:535 84:531 85:1155 86:459 87:961
88:353 89:1706 90:305 91:5361 92:587 93:1660
94:2000 95:1587 96:487 97:322 98:976 99:37
100:30 101:285 103:1907 105:516 106:117 107:202
108:490 109:1714 110:810 111:973 112:457 113:723
114:636 115:869 116:867 117:748 118:962 119:1222
120:368 121:666 122:1689 123:1169 124:1286 125:1291
128:509 129:187 130:287 131:637 132:314 133:142
134:241 135:62 136:214 137:231 138:343 139:164
140:155 141:300 142:493 143:353 144:487 145:89
146:514 147:257 148:722 149:330 150:146 151:235
152:397 153:187 154:21 155:442 156:226 157:333
158:257 159:596 160:335 161:396 162:376 163:181
164:580 165:444 166:475 167:565 168:989 169:129
170:1005 171:164 172:6 173:1702 174:643 175:460
176:870 177:1469 178:1735 180:1349 181:184 182:1113
183:300 184:631 185:125 186:2114 187:1473 188:1898
189:1614 190:6142 192:6038 193:5813 194:4660 195:3666
196:1245 197:290 198:3950 199:5119 200:5976 201:2024
202:8572 203:8641 204:4411 205:2547 206:2688 207:2754
208:4066 209:3639 210:2765 211:1522 212:2111 213:1873
214:890 215:73 216:5166 217:1603 218:582 219:304
220:1253 221:542 222:336 223:360
End of report
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