* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 19 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431009
Prefixes after maximum aggregation: 178536
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215067
Total ASes present in the Internet Routing Table: 39494
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 33983
Origin ASes announcing only one prefix: 15883
Transit ASes present in the Internet Routing Table: 5511
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN ( 50281) 30
Prefixes from unregistered ASNs in the Routing Table: 1815
Unregistered ASNs in the Routing Table: 478
Number of 32-bit ASNs allocated by the RIRs: 3586
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8650
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2639900432
Equivalent to 157 /8s, 89 /16s and 175 /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: 150955
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99359
Total APNIC prefixes after maximum aggregation: 31339
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100916
Unique aggregates announced from the APNIC address blocks: 43343
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.19
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 755
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: 714680832
Equivalent to 42 /8s, 153 /16s and 42 /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: 154554
Total ARIN prefixes after maximum aggregation: 77835
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 155232
Unique aggregates announced from the ARIN address blocks: 70480
ARIN Region origin ASes present in the Internet Routing Table: 15274
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5786
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: 1089192192
Equivalent to 64 /8s, 235 /16s and 193 /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: 113082
Total RIPE prefixes after maximum aggregation: 58112
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 115996
Unique aggregates announced from the RIPE address blocks: 74363
RIPE Region origin ASes present in the Internet Routing Table: 16988
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2712
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 650165008
Equivalent to 38 /8s, 192 /16s and 187 /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: 44740
Total LACNIC prefixes after maximum aggregation: 8856
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 48230
Unique aggregates announced from the LACNIC address blocks: 23119
LACNIC Region origin ASes present in the Internet Routing Table: 1736
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 497
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 120439040
Equivalent to 7 /8s, 45 /16s and 193 /24s
Percentage of available LACNIC address space announced: 71.8
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: 9858
Total AfriNIC prefixes after maximum aggregation: 2341
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10449
Unique aggregates announced from the AfriNIC address blocks: 3595
AfriNIC Region origin ASes present in the Internet Routing Table: 580
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 42831360
Equivalent to 2 /8s, 141 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 42.5
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 2442 826 46 PT Telekomunikasi Indonesia
4766 2112 11548 609 Korea Telecom (KIX)
7545 1807 301 91 TPG Internet Pty Ltd
4755 1636 381 171 TATA Communications formerly
9829 1415 1155 41 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1132 1070 12 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 307 69 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 3467 1009 211 Windstream Communications Inc
6389 3123 3718 134 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1947 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
20115 1687 1607 622 Charter Communications
4323 1591 1171 395 tw telecom holdings, inc.
30036 1380 290 722 Mediacom Communications Corp
7018 1300 10566 862 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 1717 544 16 Corbina telecom
2118 1308 97 15 EUnet/RELCOM Autonomous Syste
34984 880 211 230 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 761 95 127 Ukraine
31148 743 38 15 FreeNet ISP
20940 720 235 560 Akamai Technologies European
6830 716 2313 437 UPC Broadband
8551 637 367 35 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 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
7303 1673 1139 201 Telecom Argentina S.A.
6503 1510 435 69 Axtel, S.A.B. de C.V.
8151 1435 2973 352 Uninet S.A. de C.V.
27947 743 86 89 Telconet S.A
18881 742 716 18 Global Village Telecom
3816 661 309 70 Types of queries are: POCs, o
11172 600 101 65 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 873 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 689 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 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 3467 1009 211 Windstream Communications Inc
6389 3123 3718 134 BellSouth.net Inc.
17974 2442 826 46 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
4766 2112 11548 609 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1947 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
7545 1807 301 91 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 3123 2989 BellSouth.net Inc.
17974 2442 2396 PT Telekomunikasi Indonesia
28573 2222 2153 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1947 1816 Cox Communications Inc.
1785 1936 1813 PaeTec Communications, Inc.
7545 1807 1716 TPG Internet Pty Ltd
8402 1717 1701 Corbina telecom
4766 2112 1503 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
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.
64.185.227.0/24 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
/13:475 /14:858 /15:1553 /16:12440 /17:6589 /18:10854
/19:21544 /20:30868 /21:32793 /22:43707 /23:40356 /24:227972
/25:9 /26:11 /27:11 /28:146 /29:192 /30:98
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3467 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1775 3123 BellSouth.net Inc.
8402 1451 1717 Corbina telecom
30036 1285 1380 Mediacom Communications Corp
22773 1279 1947 Cox Communications Inc.
11492 1149 1186 CABLE ONE, INC.
6503 1032 1510 Axtel, S.A.B. de C.V.
1785 1022 1936 PaeTec Communications, Inc.
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)
----------------------------------------------
1:614 2:717 3:3 4:13 5:692 6:3
8:487 12:1935 13:3 14:687 15:11 16:3
17:6 20:27 23:218 24:1786 27:1459 31:1339
32:49 33:2 34:2 36:9 37:1127 38:836
39:2 40:142 41:2828 42:179 44:3 46:1707
47:3 49:508 50:621 52:12 54:28 55:7
56:1 57:31 58:991 59:550 60:231 61:1295
62:1053 63:2011 64:4342 65:2202 66:4486 67:2081
68:1202 69:3328 70:935 71:556 72:1900 74:2631
75:476 76:291 77:1029 78:1007 79:518 80:1208
81:975 82:653 83:532 84:531 85:1157 86:459
87:958 88:354 89:1741 90:304 91:5367 92:606
93:1624 94:1972 95:1607 96:486 97:338 98:964
99:37 100:30 101:285 103:1927 105:501 106:117
107:203 108:489 109:1732 110:809 111:968 112:455
113:727 114:637 115:855 116:870 117:765 118:964
119:1223 120:367 121:667 122:1693 123:1170 124:1284
125:1296 128:766 129:188 130:289 131:633 132:311
133:142 134:242 135:62 136:214 137:231 138:343
139:167 140:156 141:299 142:495 143:352 144:486
145:89 146:518 147:292 148:719 149:331 150:146
151:235 152:397 153:187 154:21 155:431 156:227
157:333 158:257 159:598 160:335 161:394 162:370
163:181 164:577 165:445 166:474 167:569 168:992
169:128 170:1004 171:164 172:4 173:1659 174:640
175:446 176:867 177:1471 178:1724 180:1343 181:186
182:1100 183:293 184:630 185:130 186:2150 187:1456
188:1892 189:1580 190:6154 192:6037 193:5707 194:4660
195:3660 196:1222 197:295 198:3953 199:5123 200:5964
201:2020 202:8574 203:8647 204:4410 205:2525 206:2711
207:2745 208:4069 209:3638 210:2773 211:1520 212:2121
213:1861 214:859 215:89 216:5180 217:1585 218:584
219:304 220:1252 221:543 222:336 223:368
End of report
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