* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 01 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431890
Prefixes after maximum aggregation: 178975
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215366
Total ASes present in the Internet Routing Table: 39555
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 34024
Origin ASes announcing only one prefix: 15937
Transit ASes present in the Internet Routing Table: 5531
Transit-only ASes present in the Internet Routing Table: 125
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: 983
Unregistered ASNs in the Routing Table: 171
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: 8735
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2641614608
Equivalent to 157 /8s, 115 /16s and 215 /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: 151226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99800
Total APNIC prefixes after maximum aggregation: 31475
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101333
Unique aggregates announced from the APNIC address blocks: 43521
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.26
APNIC Region origin ASes announcing only one prefix: 1279
APNIC Region transit ASes present in the Internet Routing Table: 758
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: 715470080
Equivalent to 42 /8s, 165 /16s and 53 /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: 154744
Total ARIN prefixes after maximum aggregation: 77964
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155434
Unique aggregates announced from the ARIN address blocks: 70616
ARIN Region origin ASes present in the Internet Routing Table: 15293
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5805
ARIN Region transit ASes present in the Internet Routing Table: 1529
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: 1089385472
Equivalent to 64 /8s, 238 /16s and 180 /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: 113279
Total RIPE prefixes after maximum aggregation: 58206
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116242
Unique aggregates announced from the RIPE address blocks: 74312
RIPE Region origin ASes present in the Internet Routing Table: 17003
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8163
RIPE Region transit ASes present in the Internet Routing Table: 2718
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: 650494736
Equivalent to 38 /8s, 197 /16s and 195 /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: 44757
Total LACNIC prefixes after maximum aggregation: 8914
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48285
Unique aggregates announced from the LACNIC address blocks: 23112
LACNIC Region origin ASes present in the Internet Routing Table: 1752
LACNIC Prefixes per ASN: 27.56
LACNIC Region origin ASes announcing only one prefix: 503
LACNIC Region transit ASes present in the Internet Routing Table: 320
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: 120788480
Equivalent to 7 /8s, 51 /16s and 22 /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: 9825
Total AfriNIC prefixes after maximum aggregation: 2363
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10416
Unique aggregates announced from the AfriNIC address blocks: 3644
AfriNIC Region origin ASes present in the Internet Routing Table: 585
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 42899968
Equivalent to 2 /8s, 142 /16s and 154 /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 1644 381 174 TATA Communications formerly
9829 1404 1155 41 National Internet Backbone
9583 1172 88 504 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 3455 1010 215 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 1687 1603 617 Charter Communications
4323 1595 1171 396 tw telecom holdings, inc.
30036 1357 287 704 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 1669 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 660 367 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 1401 2922 351 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 539 958 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 3455 1010 215 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 1669 1653 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
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 /12:245
/13:476 /14:861 /15:1556 /16:12448 /17:6598 /18:10859
/19:21589 /20:31006 /21:32905 /22:43863 /23:40426 /24:228311
/25:9 /26:10 /27:11 /28:144 /29:187 /30:95
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2722 3455 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1773 3117 BellSouth.net Inc.
8402 1393 1669 Corbina telecom
22773 1282 1951 Cox Communications Inc.
30036 1262 1357 Mediacom Communications Corp
11492 1156 1193 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)
----------------------------------------------
1:664 2:675 3:3 4:13 5:703 6:3
8:469 12:1929 13:3 14:683 15:11 16:3
17:6 20:27 23:219 24:1788 27:1464 31:1371
32:49 33:2 34:2 36:11 37:1152 38:834
39:2 40:141 41:2701 42:180 44:3 46:1719
47:3 49:527 50:649 52:12 54:28 55:8
56:1 57:31 58:994 59:558 60:232 61:1301
62:1056 63:2010 64:4341 65:2192 66:4490 67:2084
68:1197 69:3326 70:939 71:554 72:1890 74:2620
75:474 76:295 77:1043 78:1026 79:526 80:1220
81:981 82:668 83:538 84:527 85:1164 86:457
87:972 88:362 89:1753 90:304 91:5387 92:612
93:1622 94:1987 95:1592 96:489 97:337 98:965
99:37 100:30 101:288 103:1945 105:501 106:125
107:203 108:492 109:1753 110:814 111:982 112:465
113:723 114:639 115:868 116:877 117:760 118:969
119:1218 120:364 121:696 122:1689 123:1169 124:1283
125:1301 128:777 129:187 130:295 131:640 132:314
133:142 134:241 135:62 136:215 137:231 138:343
139:168 140:156 141:298 142:498 143:350 144:488
145:89 146:511 147:323 148:714 149:333 150:150
151:246 152:397 153:188 154:22 155:442 156:228
157:328 158:257 159:599 160:335 161:397 162:370
163:181 164:575 165:451 166:464 167:570 168:1003
169:129 170:988 171:164 172:4 173:1634 174:767
175:464 176:939 177:1503 178:1712 180:1356 181:189
182:1136 183:288 184:650 185:151 186:2147 187:1451
188:1908 189:1562 190:6178 192:6039 193:5724 194:4495
195:3614 196:1255 197:292 198:3969 199:5121 200:5957
201:2024 202:8568 203:8650 204:4403 205:2522 206:2716
207:2740 208:4054 209:3643 210:2780 211:1553 212:2018
213:1889 214:860 215:89 216:5120 217:1570 218:583
219:304 220:1256 221:541 222:324 223:375
End of report
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