[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 25 18:12:48 UTC 2014
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 26 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 493063
Prefixes after maximum aggregation: 193477
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 243258
Total ASes present in the Internet Routing Table: 46682
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 35791
Origin ASes announcing only one prefix: 16372
Transit ASes present in the Internet Routing Table: 6040
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1841
Unregistered ASNs in the Routing Table: 464
Number of 32-bit ASNs allocated by the RIRs: 6448
Number of 32-bit ASNs visible in the Routing Table: 4851
Prefixes from 32-bit ASNs in the Routing Table: 16028
Number of bogon 32-bit ASNs visible in the Routing Table: 119
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 439
Number of addresses announced to Internet: 2674874628
Equivalent to 159 /8s, 111 /16s and 89 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.2
Total number of prefixes smaller than registry allocations: 171870
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 116858
Total APNIC prefixes after maximum aggregation: 34890
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 119729
Unique aggregates announced from the APNIC address blocks: 50015
APNIC Region origin ASes present in the Internet Routing Table: 4919
APNIC Prefixes per ASN: 24.34
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 855
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 918
Number of APNIC addresses announced to Internet: 731520128
Equivalent to 43 /8s, 154 /16s and 28 /24s
Percentage of available APNIC address space announced: 85.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 168391
Total ARIN prefixes after maximum aggregation: 83324
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 169871
Unique aggregates announced from the ARIN address blocks: 79347
ARIN Region origin ASes present in the Internet Routing Table: 16229
ARIN Prefixes per ASN: 10.47
ARIN Region origin ASes announcing only one prefix: 6102
ARIN Region transit ASes present in the Internet Routing Table: 1669
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 91
Number of ARIN addresses announced to Internet: 1074255232
Equivalent to 64 /8s, 7 /16s and 213 /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: 123498
Total RIPE prefixes after maximum aggregation: 62495
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 127840
Unique aggregates announced from the RIPE address blocks: 80671
RIPE Region origin ASes present in the Internet Routing Table: 17683
RIPE Prefixes per ASN: 7.23
RIPE Region origin ASes announcing only one prefix: 8293
RIPE Region transit ASes present in the Internet Routing Table: 2857
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2693
Number of RIPE addresses announced to Internet: 657666948
Equivalent to 39 /8s, 51 /16s and 51 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-202239
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: 55855
Total LACNIC prefixes after maximum aggregation: 10052
LACNIC Deaggregation factor: 5.56
Prefixes being announced from the LACNIC address blocks: 62175
Unique aggregates announced from the LACNIC address blocks: 28563
LACNIC Region origin ASes present in the Internet Routing Table: 2090
LACNIC Prefixes per ASN: 29.75
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 431
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1125
Number of LACNIC addresses announced to Internet: 157874816
Equivalent to 9 /8s, 104 /16s and 250 /24s
Percentage of available LACNIC address space announced: 94.1
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: 12331
Total AfriNIC prefixes after maximum aggregation: 2679
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 13009
Unique aggregates announced from the AfriNIC address blocks: 4295
AfriNIC Region origin ASes present in the Internet Routing Table: 714
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 149
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 53239808
Equivalent to 3 /8s, 44 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 52.9
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
4766 2953 11591 922 Korea Telecom
17974 2798 903 78 PT Telekomunikasi Indonesia
7545 2214 320 117 TPG Telecom Limited
4755 1850 396 198 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
9583 1334 103 545 Sify Limited
9498 1254 314 83 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
4808 1209 2151 355 CNCGROUP IP network China169
24560 1126 385 175 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3063 2937 134 Cox Communications Inc.
6389 2984 3688 53 BellSouth.net Inc.
1785 2196 699 133 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1705 1690 566 Charter Communications
4323 1628 1073 407 tw telecom holdings, inc.
701 1481 11158 750 MCI Communications Services,
30036 1400 303 542 Mediacom Communications Corp
6983 1325 800 307 ITC^Deltacom
22561 1299 401 230 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 1668 264 277 TELLCOM ILETISIM HIZMETLERI A
8402 1596 544 16 OJSC "Vimpelcom"
20940 1312 502 989 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1018 45 19 Freenet Ltd.
8551 923 370 40 Bezeq International-Ltd
6849 827 359 29 JSC "Ukrtelecom"
6830 764 2329 424 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 572 344 25 JSC Kazakhtelecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3699 1955 99 NET Serviços de Comunicação S
10620 2844 459 199 Telmex Colombia S.A.
18881 1931 972 21 Global Village Telecom
7303 1754 1174 229 Telecom Argentina S.A.
8151 1394 2943 400 Uninet S.A. de C.V.
6503 1154 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 868 114 50 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
26615 843 2325 35 Tim Celular S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1634 240 6 Sudanese Mobile Telephone (ZA
24863 954 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 569 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 275 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 230 22 23 Cote d'Ivoire Telecom
37054 228 20 9 Data Telecom Service
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3699 1955 99 NET Serviços de Comunicação S
22773 3063 2937 134 Cox Communications Inc.
6389 2984 3688 53 BellSouth.net Inc.
4766 2953 11591 922 Korea Telecom
10620 2844 459 199 Telmex Colombia S.A.
17974 2798 903 78 PT Telekomunikasi Indonesia
7545 2214 320 117 TPG Telecom Limited
1785 2196 699 133 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1931 972 21 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2984 2931 BellSouth.net Inc.
22773 3063 2929 Cox Communications Inc.
17974 2798 2720 PT Telekomunikasi Indonesia
10620 2844 2645 Telmex Colombia S.A.
7545 2214 2097 TPG Telecom Limited
1785 2196 2063 PaeTec Communications, Inc.
4766 2953 2031 Korea Telecom
18881 1931 1910 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1850 1652 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications
22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /9:12 /10:31 /11:90 /12:256
/13:480 /14:961 /15:1682 /16:12952 /17:6824 /18:11580
/19:24248 /20:33938 /21:36684 /22:53119 /23:46191 /24:261776
/25:797 /26:943 /27:404 /28:13 /29:20 /30:7
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2306 3063 Cox Communications Inc.
18566 2002 2047 MegaPath Corporation
6389 1694 2984 BellSouth.net Inc.
36998 1599 1634 Sudanese Mobile Telephone (ZA
8402 1275 1596 OJSC "Vimpelcom"
30036 1237 1400 Mediacom Communications Corp
11492 1190 1234 CABLE ONE, INC.
1785 1162 2196 PaeTec Communications, Inc.
6983 1042 1325 ITC^Deltacom
34984 1030 1668 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1024 2:696 3:3 4:15 5:973 6:19
8:733 12:1851 13:4 14:987 15:13 16:2
17:31 18:21 20:36 23:807 24:1747 25:1
27:1777 31:1452 32:40 33:2 34:5 36:132
37:1891 38:949 39:6 40:196 41:3187 42:249
44:10 46:2145 47:18 49:694 50:921 52:12
54:47 55:5 57:28 58:1228 59:603 60:398
61:1545 62:1233 63:1987 64:4375 65:2278 66:4148
67:2062 68:1034 69:3285 70:865 71:452 72:2025
74:2616 75:312 76:418 77:1515 78:964 79:710
80:1306 81:1150 82:738 83:755 84:716 85:1260
86:470 87:1188 88:524 89:1803 90:140 91:5725
92:684 93:1715 94:2049 95:1473 96:547 97:348
98:1082 99:48 100:54 101:782 103:4688 105:534
106:172 107:564 108:577 109:2089 110:985 111:1288
112:645 113:844 114:898 115:1116 116:1057 117:926
118:1411 119:1341 120:375 121:802 122:1970 123:1286
124:1397 125:1398 128:642 129:312 130:346 131:659
132:393 133:162 134:335 135:74 136:256 137:322
138:352 139:170 140:211 141:368 142:570 143:422
144:505 145:100 146:597 147:453 148:925 149:347
150:169 151:634 152:422 153:218 154:270 155:481
156:337 157:341 158:244 159:894 160:337 161:483
162:1349 163:218 164:688 165:613 166:279 167:610
168:1028 169:124 170:1386 171:191 172:22 173:1643
174:699 175:607 176:1372 177:2882 178:1963 179:591
180:1724 181:1110 182:1551 183:514 184:705 185:1544
186:2737 187:1497 188:1930 189:1479 190:7445 191:213
192:7222 193:5486 194:4038 195:3495 196:1402 197:1122
198:5022 199:5588 200:6220 201:2642 202:8964 203:8988
204:4646 205:2720 206:2942 207:2940 208:3990 209:3735
210:3106 211:1675 212:2192 213:2049 214:917 215:84
216:5454 217:1682 218:569 219:316 220:1276 221:598
222:350 223:579
End of report
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