* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 12 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 429460
Prefixes after maximum aggregation: 178037
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213622
Total ASes present in the Internet Routing Table: 39452
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 33944
Origin ASes announcing only one prefix: 15865
Transit ASes present in the Internet Routing Table: 5508
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: 1815
Unregistered ASNs in the Routing Table: 469
Number of 32-bit ASNs allocated by the RIRs: 3572
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8620
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 156
Number of addresses announced to Internet: 2639118848
Equivalent to 157 /8s, 77 /16s and 194 /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: 150039
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99252
Total APNIC prefixes after maximum aggregation: 31245
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 100809
Unique aggregates announced from the APNIC address blocks: 43215
APNIC Region origin ASes present in the Internet Routing Table: 4758
APNIC Prefixes per ASN: 21.19
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 759
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: 714258944
Equivalent to 42 /8s, 146 /16s and 186 /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: 154325
Total ARIN prefixes after maximum aggregation: 77972
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155023
Unique aggregates announced from the ARIN address blocks: 70167
ARIN Region origin ASes present in the Internet Routing Table: 15263
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5782
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: 1089131520
Equivalent to 64 /8s, 234 /16s and 212 /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: 112114
Total RIPE prefixes after maximum aggregation: 57595
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 115004
Unique aggregates announced from the RIPE address blocks: 73405
RIPE Region origin ASes present in the Internet Routing Table: 16961
RIPE Prefixes per ASN: 6.78
RIPE Region origin ASes announcing only one prefix: 8122
RIPE Region transit ASes present in the Internet Routing Table: 2702
Average RIPE Region AS path length visible: 3.4
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: 649671936
Equivalent to 38 /8s, 185 /16s and 53 /24s
Percentage of available RIPE address space announced: 94.4
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: 44419
Total LACNIC prefixes after maximum aggregation: 8817
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47908
Unique aggregates announced from the LACNIC address blocks: 23058
LACNIC Region origin ASes present in the Internet Routing Table: 1730
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 505
LACNIC Region transit ASes present in the Internet Routing Table: 313
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: 120578560
Equivalent to 7 /8s, 47 /16s and 226 /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: 9970
Total AfriNIC prefixes after maximum aggregation: 2355
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10559
Unique aggregates announced from the AfriNIC address blocks: 3639
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42884608
Equivalent to 2 /8s, 142 /16s and 94 /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 2109 11549 606 Korea Telecom (KIX)
7545 1805 301 89 TPG Internet Pty Ltd
4755 1632 381 169 TATA Communications formerly
9829 1351 1155 41 National Internet Backbone
9583 1169 87 502 Sify Limited
7552 1124 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1027 307 70 BHARTI Airtel Ltd.
18101 1016 135 169 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 3192 994 216 Windstream Communications Inc
6389 3130 3718 140 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1934 677 121 PaeTec Communications, Inc.
20115 1687 1607 622 Charter Communications
4323 1589 1169 395 tw telecom holdings, inc.
30036 1371 290 749 Mediacom Communications Corp
7018 1295 10566 859 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 1699 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 873 211 224 BILISIM TELEKOM
12479 864 777 64 France Telecom Espana SA
13188 751 95 134 Ukraine
31148 738 38 13 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 708 229 552 Akamai Technologies European
8551 632 367 39 Bezeq International
34744 601 186 36 SC GVM SISTEM 2003 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 2227 1294 67 Types of queries are: POCs, o
7303 1671 1138 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1458 3024 350 Uninet S.A. de C.V.
27947 736 86 89 Telconet S.A
3816 660 309 70 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 602 716 18 Global Village Telecom
22047 579 326 15 Types of queries are: POCs, o
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 675 958 13 TEDATA
6713 495 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 29 7 Wananchi Online Limited
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 3192 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 2227 1294 67 Types of queries are: POCs, o
4766 2109 11549 606 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1934 677 121 PaeTec Communications, Inc.
7545 1805 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 3130 2990 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2227 2160 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
1785 1934 1813 PaeTec Communications, Inc.
22773 1941 1810 Cox Communications Inc.
7545 1805 1716 TPG Internet Pty Ltd
8402 1699 1683 Corbina telecom
4766 2109 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
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 /12:244
/13:475 /14:859 /15:1559 /16:12435 /17:6600 /18:10864
/19:21533 /20:30779 /21:32730 /22:43487 /23:39982 /24:227165
/25:9 /26:12 /27:11 /28:145 /29:190 /30:91
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3192 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1776 3130 BellSouth.net Inc.
8402 1429 1699 Corbina telecom
30036 1279 1371 Mediacom Communications Corp
22773 1275 1941 Cox Communications Inc.
11492 1147 1183 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1022 1934 PaeTec Communications, Inc.
7011 953 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)
----------------------------------------------
1:607 2:700 3:1 4:13 5:678 6:3
8:488 12:1944 13:3 14:689 15:11 16:3
17:6 20:27 23:218 24:1786 27:1432 31:1336
32:49 33:2 34:2 36:7 37:1082 38:835
39:2 40:141 41:2866 42:179 44:3 46:1700
47:3 49:511 50:618 52:12 54:28 55:7
57:31 58:987 59:548 60:229 61:1290 62:1046
63:2013 64:4354 65:2200 66:4475 67:2085 68:1184
69:3278 70:936 71:546 72:1894 74:2626 75:480
76:292 77:1023 78:1003 79:517 80:1209 81:980
82:637 83:534 84:528 85:1147 86:420 87:961
88:352 89:1625 90:305 91:5354 92:569 93:1605
94:1997 95:1577 96:457 97:322 98:971 99:37
100:30 101:284 103:1901 105:517 106:117 107:203
108:474 109:1704 110:810 111:973 112:456 113:723
114:638 115:866 116:868 117:749 118:959 119:1215
120:371 121:666 122:1694 123:1169 124:1287 125:1282
128:516 129:188 130:284 131:637 132:314 133:142
134:243 135:62 136:214 137:231 138:340 139:165
140:155 141:301 142:491 143:353 144:486 145:81
146:514 147:255 148:721 149:331 150:146 151:236
152:397 153:187 154:21 155:441 156:225 157:334
158:256 159:597 160:333 161:397 162:375 163:181
164:580 165:445 166:476 167:568 168:991 169:129
170:995 171:163 172:6 173:1709 174:638 175:460
176:878 177:1448 178:1738 180:1349 181:182 182:1113
183:301 184:629 185:123 186:2107 187:1480 188:1824
189:1633 190:6143 192:6046 193:5818 194:4652 195:3660
196:1248 197:288 198:3949 199:5101 200:5964 201:1986
202:8566 203:8624 204:4384 205:2545 206:2664 207:2746
208:4069 209:3635 210:2768 211:1526 212:2114 213:1872
214:888 215:74 216:5169 217:1607 218:579 219:302
220:1253 221:542 222:336 223:360
End of report
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