* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 24 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431365
Prefixes after maximum aggregation: 178793
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215356
Total ASes present in the Internet Routing Table: 39518
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 33996
Origin ASes announcing only one prefix: 15885
Transit ASes present in the Internet Routing Table: 5522
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: 1822
Unregistered ASNs in the Routing Table: 480
Number of 32-bit ASNs allocated by the RIRs: 3604
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8717
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2640213776
Equivalent to 157 /8s, 94 /16s and 119 /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: 150886
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99672
Total APNIC prefixes after maximum aggregation: 31403
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101232
Unique aggregates announced from the APNIC address blocks: 43374
APNIC Region origin ASes present in the Internet Routing Table: 4760
APNIC Prefixes per ASN: 21.27
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 756
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: 715145728
Equivalent to 42 /8s, 160 /16s and 66 /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: 154661
Total ARIN prefixes after maximum aggregation: 77933
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155338
Unique aggregates announced from the ARIN address blocks: 70604
ARIN Region origin ASes present in the Internet Routing Table: 15286
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5793
ARIN Region transit ASes present in the Internet Routing Table: 1531
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: 1088447488
Equivalent to 64 /8s, 224 /16s and 100 /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: 112985
Total RIPE prefixes after maximum aggregation: 58180
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115928
Unique aggregates announced from the RIPE address blocks: 74432
RIPE Region origin ASes present in the Internet Routing Table: 16990
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 650268688
Equivalent to 38 /8s, 194 /16s and 80 /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: 44739
Total LACNIC prefixes after maximum aggregation: 8874
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48266
Unique aggregates announced from the LACNIC address blocks: 23151
LACNIC Region origin ASes present in the Internet Routing Table: 1744
LACNIC Prefixes per ASN: 27.68
LACNIC Region origin ASes announcing only one prefix: 497
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: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 120894720
Equivalent to 7 /8s, 52 /16s and 181 /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: 9825
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10423
Unique aggregates announced from the AfriNIC address blocks: 3636
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42882560
Equivalent to 2 /8s, 142 /16s and 86 /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 2471 829 54 PT Telekomunikasi Indonesia
4766 2115 11548 616 Korea Telecom (KIX)
7545 1805 301 88 TPG Internet Pty Ltd
4755 1638 381 173 TATA Communications formerly
9829 1413 1156 42 National Internet Backbone
9583 1173 88 507 Sify Limited
7552 1133 1070 12 Vietel Corporation
9498 1039 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 3469 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1947 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 1381 292 716 Mediacom Communications Corp
7018 1299 10566 861 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 1728 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 883 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 764 95 121 Ukraine
31148 743 38 15 FreeNet ISP
20940 723 238 569 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 640 367 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 2249 1298 69 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1444 435 67 Axtel, S.A.B. de C.V.
8151 1427 2971 348 Uninet S.A. de C.V.
27947 742 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 552 958 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 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 3469 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
17974 2471 829 54 PT Telekomunikasi Indonesia
10620 2268 387 206 Types of queries are: POCs, o
28573 2249 1298 69 Types of queries are: POCs, o
4766 2115 11548 616 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1947 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
7545 1805 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 3121 2988 BellSouth.net Inc.
17974 2471 2417 PT Telekomunikasi Indonesia
28573 2249 2180 Types of queries are: POCs, o
10620 2268 2062 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1947 1816 Cox Communications Inc.
1785 1939 1816 PaeTec Communications, Inc.
7545 1805 1717 TPG Internet Pty Ltd
8402 1728 1712 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
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
/13:474 /14:859 /15:1554 /16:12444 /17:6594 /18:10863
/19:21581 /20:30963 /21:32867 /22:43895 /23:40392 /24:227877
/25:9 /26:11 /27:11 /28:146 /29:195 /30:97
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3469 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1775 3121 BellSouth.net Inc.
8402 1457 1728 Corbina telecom
30036 1284 1381 Mediacom Communications Corp
22773 1279 1947 Cox Communications Inc.
11492 1156 1193 CABLE ONE, INC.
1785 1023 1939 PaeTec Communications, Inc.
6503 976 1444 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)
----------------------------------------------
1:660 2:708 3:3 4:13 5:696 6:3
8:489 12:1933 13:3 14:683 15:11 16:3
17:6 20:27 23:218 24:1789 27:1465 31:1356
32:49 33:2 34:2 36:11 37:1138 38:833
39:2 40:142 41:2700 42:179 44:3 46:1707
47:3 49:522 50:645 52:12 54:28 55:8
56:1 57:31 58:989 59:555 60:232 61:1292
62:1053 63:2012 64:4356 65:2193 66:4490 67:2081
68:1200 69:3331 70:938 71:556 72:1897 74:2625
75:475 76:293 77:1024 78:1015 79:518 80:1206
81:980 82:651 83:536 84:532 85:1156 86:456
87:972 88:354 89:1746 90:304 91:5385 92:609
93:1618 94:1977 95:1622 96:487 97:337 98:969
99:37 100:30 101:284 103:1949 105:501 106:117
107:203 108:492 109:1775 110:817 111:976 112:461
113:724 114:637 115:877 116:871 117:761 118:963
119:1238 120:367 121:695 122:1694 123:1171 124:1284
125:1298 128:771 129:188 130:291 131:638 132:314
133:142 134:242 135:62 136:214 137:231 138:344
139:167 140:156 141:300 142:498 143:349 144:486
145:89 146:510 147:323 148:712 149:333 150:140
151:237 152:397 153:187 154:22 155:443 156:228
157:334 158:257 159:603 160:333 161:397 162:370
163:181 164:577 165:438 166:472 167:570 168:999
169:129 170:1007 171:164 172:4 173:1653 174:628
175:447 176:876 177:1488 178:1710 180:1354 181:189
182:1109 183:293 184:632 185:136 186:2170 187:1439
188:1884 189:1565 190:6149 192:6028 193:5709 194:4496
195:3599 196:1243 197:312 198:3953 199:5119 200:5963
201:2013 202:8569 203:8637 204:4408 205:2535 206:2732
207:2756 208:4057 209:3633 210:2775 211:1546 212:2020
213:1871 214:859 215:89 216:5114 217:1564 218:583
219:304 220:1255 221:543 222:324 223:369
End of report
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