Routing Table Report 09:00 +10GMT Wed 27 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466719
Prefixes after maximum aggregation: 188164
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234402
Total ASes present in the Internet Routing Table: 41231
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35430
Origin ASes announcing only one prefix: 16287
Transit ASes present in the Internet Routing Table: 5801
Transit-only ASes present in the Internet Routing Table: 158
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 961
Unregistered ASNs in the Routing Table: 254
Number of 32-bit ASNs allocated by the RIRs: 5400
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13171
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1208
Number of addresses announced to Internet: 2653288544
Equivalent to 158 /8s, 37 /16s and 248 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 162926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107933
Total APNIC prefixes after maximum aggregation: 33382
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110200
Unique aggregates announced from the APNIC address blocks: 47580
APNIC Region origin ASes present in the Internet Routing Table: 4847
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 812
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 727398144
Equivalent to 43 /8s, 91 /16s and 55 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161961
Total ARIN prefixes after maximum aggregation: 81257
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162471
Unique aggregates announced from the ARIN address blocks: 75758
ARIN Region origin ASes present in the Internet Routing Table: 15874
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1606
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1073135360
Equivalent to 63 /8s, 246 /16s and 191 /24s
Percentage of available ARIN address space announced: 56.8
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, 62464-63487, 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: 118737
Total RIPE prefixes after maximum aggregation: 60935
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122770
Unique aggregates announced from the RIPE address blocks: 78776
RIPE Region origin ASes present in the Internet Routing Table: 17508
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8285
RIPE Region transit ASes present in the Internet Routing Table: 2784
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 655938656
Equivalent to 39 /8s, 24 /16s and 212 /24s
Percentage of available RIPE address space announced: 95.4
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, 61952-62463, 196608-200191
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: 52545
Total LACNIC prefixes after maximum aggregation: 9807
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57722
Unique aggregates announced from the LACNIC address blocks: 27302
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.30
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 381
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144028672
Equivalent to 8 /8s, 149 /16s and 180 /24s
Percentage of available LACNIC address space announced: 85.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11708
Total AfriNIC prefixes after maximum aggregation: 2585
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12348
Unique aggregates announced from the AfriNIC address blocks: 4019
AfriNIC Region origin ASes present in the Internet Routing Table: 686
AfriNIC Prefixes per ASN: 18.00
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.0
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: 48680192
Equivalent to 2 /8s, 230 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 48.4
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 2714 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2093 319 109 TPG Internet Pty Ltd
4755 1776 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1247 95 507 Sify Limited
9498 1212 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1081 2020 309 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3042 3688 53 BellSouth.net Inc.
22773 2211 2939 137 Cox Communications, Inc.
18566 2056 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
20115 1681 1653 602 Charter Communications
4323 1649 1114 419 Time Warner Telecom
701 1505 11144 779 MCI Communications Services,
30036 1393 314 576 Mediacom Communications Corp
7018 1344 17798 882 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1853 544 16 OJSC "Vimpelcom"
34984 1365 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1155 433 876 Akamai Technologies European
31148 1008 45 19 FreeNet ISP
13188 897 99 48 TOV "Bank-Inform"
6849 857 363 39 JSC UKRTELECOM,
8551 784 370 41 Bezeq International
6830 776 2328 428 UPC Distribution Services
12479 675 798 53 Uni2 Autonomous System
35228 543 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3390 1801 89 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1668 908 20 Global Village Telecom
8151 1346 2848 415 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 787 373 27 Telefonica Del Peru
6503 783 434 62 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 868 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3390 1801 89 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2714 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2211 2939 137 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2093 319 109 TPG Internet Pty Ltd
18566 2056 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3042 2989 BellSouth.net Inc.
17974 2714 2626 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2211 2074 Cox Communications, Inc.
7545 2093 1984 TPG Internet Pty Ltd
1785 2044 1911 PaeTec Communications, Inc.
18566 2056 1878 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1853 1837 OJSC "Vimpelcom"
18881 1668 1648 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:92 /12:253
/13:469 /14:915 /15:1610 /16:12776 /17:6687 /18:11095
/19:22827 /20:32726 /21:35441 /22:49511 /23:43514 /24:248241
/25:45 /26:38 /27:27 /28:40 /29:46 /30:268
/31:12 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2010 2056 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1540 1853 OJSC "Vimpelcom"
22773 1465 2211 Cox Communications, Inc.
30036 1235 1393 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:904 2:832 3:3 4:17 5:1022 6:21
8:608 12:1873 13:3 14:877 15:11 16:3
17:18 18:19 20:25 23:590 24:1758 27:1713
31:1504 32:43 33:2 34:5 36:87 37:1933
38:912 39:5 40:182 41:3247 42:289 44:13
46:2029 47:10 49:695 50:849 52:12 54:44
55:5 56:4 57:26 58:1093 59:571 60:366
61:1464 62:1249 63:1976 64:4374 65:2346 66:4152
67:2092 68:1085 69:3300 70:890 71:488 72:2020
74:2571 75:318 76:293 77:1155 78:1043 79:662
80:1280 81:1046 82:633 83:682 84:586 85:1248
86:379 87:1021 88:553 89:1564 90:152 91:5682
92:611 93:1602 94:2079 95:1533 96:513 97:347
98:1060 99:41 100:31 101:404 103:3688 105:528
106:142 107:216 108:516 109:1990 110:975 111:1110
112:591 113:811 114:744 115:1016 116:986 117:803
118:1186 119:1264 120:331 121:728 122:1782 123:1243
124:1383 125:1429 128:622 129:217 130:335 131:661
132:347 133:158 134:292 135:72 136:277 137:244
138:351 139:173 140:170 141:322 142:534 143:395
144:492 145:90 146:522 147:399 148:727 149:370
150:150 151:648 152:412 153:205 154:53 155:502
156:303 157:369 158:283 159:693 160:360 161:450
162:865 163:206 164:617 165:579 166:260 167:636
168:1036 169:121 170:1106 171:184 172:27 173:1627
174:665 175:514 176:1308 177:2503 178:1869 179:305
180:1589 181:863 182:1390 183:458 184:629 185:1063
186:2656 187:1464 188:1841 189:1257 190:7239 192:7002
193:5427 194:4029 195:3364 196:1333 197:1030 198:4697
199:5471 200:5962 201:2516 202:8805 203:8834 204:4476
205:2634 206:2753 207:2743 208:3958 209:3617 210:2925
211:1567 212:2154 213:1975 214:893 215:86 216:5382
217:1704 218:618 219:316 220:1273 221:584 222:326
223:502
End of report