* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 27 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431596
Prefixes after maximum aggregation: 178809
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215429
Total ASes present in the Internet Routing Table: 39516
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 33990
Origin ASes announcing only one prefix: 15904
Transit ASes present in the Internet Routing Table: 5526
Transit-only ASes present in the Internet Routing Table: 127
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: 1842
Unregistered ASNs in the Routing Table: 488
Number of 32-bit ASNs allocated by the RIRs: 3605
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8740
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2640447248
Equivalent to 157 /8s, 98 /16s and 7 /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: 151026
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99728
Total APNIC prefixes after maximum aggregation: 31415
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101289
Unique aggregates announced from the APNIC address blocks: 43430
APNIC Region origin ASes present in the Internet Routing Table: 4759
APNIC Prefixes per ASN: 21.28
APNIC Region origin ASes announcing only one prefix: 1272
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: 715457792
Equivalent to 42 /8s, 165 /16s and 5 /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: 154573
Total ARIN prefixes after maximum aggregation: 77899
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155270
Unique aggregates announced from the ARIN address blocks: 70609
ARIN Region origin ASes present in the Internet Routing Table: 15285
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5802
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1088292096
Equivalent to 64 /8s, 222 /16s and 5 /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: 113195
Total RIPE prefixes after maximum aggregation: 58223
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116151
Unique aggregates announced from the RIPE address blocks: 74475
RIPE Region origin ASes present in the Internet Routing Table: 16985
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2717
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: 650264848
Equivalent to 38 /8s, 194 /16s and 65 /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: 44758
Total LACNIC prefixes after maximum aggregation: 8865
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 48278
Unique aggregates announced from the LACNIC address blocks: 23122
LACNIC Region origin ASes present in the Internet Routing Table: 1742
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 497
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 120937728
Equivalent to 7 /8s, 53 /16s and 93 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9836
Total AfriNIC prefixes after maximum aggregation: 2354
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10428
Unique aggregates announced from the AfriNIC address blocks: 3632
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42917120
Equivalent to 2 /8s, 142 /16s and 221 /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 2469 829 53 PT Telekomunikasi Indonesia
4766 2115 11548 616 Korea Telecom (KIX)
7545 1806 301 89 TPG Internet Pty Ltd
4755 1639 381 173 TATA Communications formerly
9829 1416 1156 42 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1133 1070 12 Vietel Corporation
9498 1042 307 69 BHARTI Airtel Ltd.
24560 1037 385 161 Bharti Airtel Ltd., Telemedia
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 1010 215 Windstream Communications Inc
6389 3120 3717 133 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
20115 1687 1603 617 Charter Communications
4323 1594 1171 396 tw telecom holdings, inc.
30036 1373 291 707 Mediacom Communications Corp
7018 1299 10566 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 1716 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 893 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 766 96 115 Ukraine
31148 743 38 15 FreeNet ISP
20940 726 238 572 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 2268 387 206 Types of queries are: POCs, o
28573 2247 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 1427 2973 346 Uninet S.A. de C.V.
27947 743 86 89 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 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 547 958 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 3467 1010 215 Windstream Communications Inc
6389 3120 3717 133 BellSouth.net Inc.
17974 2469 829 53 PT Telekomunikasi Indonesia
10620 2268 387 206 Types of queries are: POCs, o
28573 2247 1299 70 Types of queries are: POCs, o
4766 2115 11548 616 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
7545 1806 301 89 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 3120 2987 BellSouth.net Inc.
17974 2469 2416 PT Telekomunikasi Indonesia
28573 2247 2177 Types of queries are: POCs, o
10620 2268 2062 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1948 1817 Cox Communications Inc.
1785 1939 1816 PaeTec Communications, Inc.
7545 1806 1717 TPG Internet Pty Ltd
8402 1716 1700 Corbina telecom
4766 2115 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
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<<
64.185.224.0/24 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
/13:474 /14:859 /15:1555 /16:12445 /17:6597 /18:10850
/19:21609 /20:30992 /21:32882 /22:43871 /23:40375 /24:228085
/25:9 /26:11 /27:11 /28:147 /29:191 /30:97
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2726 3467 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1774 3120 BellSouth.net Inc.
8402 1439 1716 Corbina telecom
22773 1280 1948 Cox Communications Inc.
30036 1276 1373 Mediacom Communications Corp
11492 1155 1192 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)
----------------------------------------------
1:653 2:688 3:3 4:9 5:695 6:3
8:488 12:1929 13:3 14:680 15:11 16:3
17:6 20:27 23:218 24:1788 27:1464 31:1391
32:49 33:2 34:2 36:11 37:1150 38:836
39:2 40:141 41:2697 42:179 44:3 46:1718
47:3 49:527 50:647 52:12 54:28 55:7
56:1 57:31 58:991 59:555 60:232 61:1304
62:1046 63:2012 64:4351 65:2198 66:4492 67:2081
68:1199 69:3326 70:939 71:556 72:1896 74:2624
75:474 76:293 77:1044 78:1021 79:522 80:1211
81:984 82:661 83:537 84:533 85:1160 86:457
87:972 88:353 89:1744 90:304 91:5382 92:612
93:1613 94:1985 95:1624 96:489 97:337 98:967
99:37 100:30 101:284 103:1959 105:501 106:117
107:203 108:492 109:1743 110:819 111:974 112:465
113:727 114:637 115:877 116:872 117:758 118:963
119:1223 120:364 121:695 122:1679 123:1177 124:1283
125:1298 128:777 129:188 130:291 131:638 132:313
133:142 134:242 135:62 136:214 137:231 138:344
139:167 140:156 141:301 142:498 143:349 144:487
145:89 146:512 147:323 148:713 149:333 150:139
151:243 152:397 153:188 154:22 155:424 156:228
157:334 158:257 159:603 160:334 161:396 162:370
163:181 164:578 165:451 166:471 167:570 168:1001
169:129 170:1006 171:164 172:4 173:1644 174:630
175:467 176:934 177:1493 178:1709 180:1336 181:191
182:1128 183:283 184:632 185:146 186:2164 187:1426
188:1903 189:1564 190:6148 192:6034 193:5716 194:4495
195:3599 196:1237 197:308 198:3959 199:5120 200:5970
201:2031 202:8575 203:8641 204:4408 205:2540 206:2732
207:2756 208:4056 209:3631 210:2781 211:1549 212:2023
213:1885 214:858 215:90 216:5115 217:1567 218:590
219:304 220:1257 221:544 222:324 223:369
End of report
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