[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 5 18:13:20 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 06 Sep, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 510100
Prefixes after maximum aggregation: 198112
Deaggregation factor: 2.57
Unique aggregates announced to Internet: 250288
Total ASes present in the Internet Routing Table: 47620
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 36120
Origin ASes announcing only one prefix: 16393
Transit ASes present in the Internet Routing Table: 6143
Transit-only ASes present in the Internet Routing Table: 175
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 55644) 33
Prefixes from unregistered ASNs in the Routing Table: 1717
Unregistered ASNs in the Routing Table: 447
Number of 32-bit ASNs allocated by the RIRs: 7325
Number of 32-bit ASNs visible in the Routing Table: 5357
Prefixes from 32-bit ASNs in the Routing Table: 19764
Number of bogon 32-bit ASNs visible in the Routing Table: 637
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 359
Number of addresses announced to Internet: 2709663044
Equivalent to 161 /8s, 130 /16s and 45 /24s
Percentage of available address space announced: 73.2
Percentage of allocated address space announced: 73.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.8
Total number of prefixes smaller than registry allocations: 175164
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 124791
Total APNIC prefixes after maximum aggregation: 36480
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 128407
Unique aggregates announced from the APNIC address blocks: 52594
APNIC Region origin ASes present in the Internet Routing Table: 4976
APNIC Prefixes per ASN: 25.81
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 866
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1085
Number of APNIC addresses announced to Internet: 735584832
Equivalent to 43 /8s, 216 /16s and 34 /24s
Percentage of available APNIC address space announced: 86.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 169824
Total ARIN prefixes after maximum aggregation: 85082
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 171838
Unique aggregates announced from the ARIN address blocks: 80213
ARIN Region origin ASes present in the Internet Routing Table: 16357
ARIN Prefixes per ASN: 10.51
ARIN Region origin ASes announcing only one prefix: 6122
ARIN Region transit ASes present in the Internet Routing Table: 1694
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 180
Number of ARIN addresses announced to Internet: 1084222720
Equivalent to 64 /8s, 159 /16s and 237 /24s
Percentage of available ARIN address space announced: 57.4
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: 125056
Total RIPE prefixes after maximum aggregation: 63097
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 129909
Unique aggregates announced from the RIPE address blocks: 82260
RIPE Region origin ASes present in the Internet Routing Table: 17711
RIPE Prefixes per ASN: 7.33
RIPE Region origin ASes announcing only one prefix: 8212
RIPE Region transit ASes present in the Internet Routing Table: 2886
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2738
Number of RIPE addresses announced to Internet: 659140996
Equivalent to 39 /8s, 73 /16s and 177 /24s
Percentage of available RIPE address space announced: 95.8
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: 59494
Total LACNIC prefixes after maximum aggregation: 10628
LACNIC Deaggregation factor: 5.60
Prefixes being announced from the LACNIC address blocks: 67699
Unique aggregates announced from the LACNIC address blocks: 30217
LACNIC Region origin ASes present in the Internet Routing Table: 2277
LACNIC Prefixes per ASN: 29.73
LACNIC Region origin ASes announcing only one prefix: 617
LACNIC Region transit ASes present in the Internet Routing Table: 457
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1301
Number of LACNIC addresses announced to Internet: 169647488
Equivalent to 10 /8s, 28 /16s and 157 /24s
Percentage of available LACNIC address space announced: 101.1
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: 11080
Total AfriNIC prefixes after maximum aggregation: 2783
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 11888
Unique aggregates announced from the AfriNIC address blocks: 4690
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 16.11
AfriNIC Region origin ASes announcing only one prefix: 220
AfriNIC Region transit ASes present in the Internet Routing Table: 160
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 53
Number of AfriNIC addresses announced to Internet: 58374400
Equivalent to 3 /8s, 122 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 58.0
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 2933 11591 922 Korea Telecom
17974 2808 900 74 PT Telekomunikasi Indonesia
7545 2336 336 121 TPG Telecom Limited
4755 1899 413 192 TATA Communications formerly
9829 1641 1306 38 National Internet Backbone
9583 1316 104 538 Sify Limited
9498 1303 333 91 BHARTI Airtel Ltd.
7552 1237 1098 14 Viettel Corporation
9808 1233 6639 15 Guangdong Mobile Communicatio
4808 1207 2160 363 CNCGROUP IP network China169
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 2902 2940 142 Cox Communications Inc.
6389 2895 3688 51 BellSouth.net Inc.
18566 2045 379 178 MegaPath Corporation
7029 1914 1957 304 Windstream Communications Inc
20115 1782 1767 505 Charter Communications
4323 1622 1055 407 tw telecom holdings, inc.
30036 1522 316 579 Mediacom Communications Corp
6983 1466 817 314 ITC^Deltacom
701 1437 11242 721 MCI Communications Services,
22561 1307 408 237 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 1751 299 282 TELLCOM ILETISIM HIZMETLERI A
20940 1486 580 1093 Akamai International B.V.
8402 1317 544 15 OJSC "Vimpelcom"
31148 1042 45 20 Freenet Ltd.
13188 1013 97 51 TOV "Bank-Inform"
8551 974 371 41 Bezeq International-Ltd
6849 833 356 27 JSC "Ukrtelecom"
12479 788 798 58 France Telecom Espana SA
6830 774 2335 429 Liberty Global Operations B.V
9198 665 346 28 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 3228 2316 118 NET Serviços de Comunicação S
10620 2953 478 245 Telmex Colombia S.A.
18881 2086 1036 22 Global Village Telecom
7303 1774 1182 234 Telecom Argentina S.A.
6147 1738 374 30 Telefonica del Peru S.A.A.
8151 1466 2999 433 Uninet S.A. de C.V.
6503 1124 434 62 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
27947 902 130 51 Telconet S.A
26615 889 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
24863 942 280 26 Link Egypt (Link.NET)
6713 670 744 37 Office National des Postes et
8452 596 958 13 TE-AS
36992 315 816 27 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 237 22 17 Cote d'Ivoire Telecom
37054 233 19 6 Data Telecom Service
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI
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 3228 2316 118 NET Serviços de Comunicação S
10620 2953 478 245 Telmex Colombia S.A.
4766 2933 11591 922 Korea Telecom
22773 2902 2940 142 Cox Communications Inc.
6389 2895 3688 51 BellSouth.net Inc.
17974 2808 900 74 PT Telekomunikasi Indonesia
7545 2336 336 121 TPG Telecom Limited
18881 2086 1036 22 Global Village Telecom
18566 2045 379 178 MegaPath Corporation
7029 1914 1957 304 Windstream Communications Inc
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 2895 2844 BellSouth.net Inc.
22773 2902 2760 Cox Communications Inc.
17974 2808 2734 PT Telekomunikasi Indonesia
10620 2953 2708 Telmex Colombia S.A.
7545 2336 2215 TPG Telecom Limited
18881 2086 2064 Global Village Telecom
4766 2933 2011 Korea Telecom
18566 2045 1867 MegaPath Corporation
6147 1738 1708 Telefonica del Peru S.A.A.
4755 1899 1707 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
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
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.88.0.0/16 6697 Republican Unitary Telecommun
100.89.0.0/16 6697 Republican Unitary Telecommun
100.90.0.0/16 6697 Republican Unitary Telecommun
100.91.0.0/16 6697 Republican Unitary Telecommun
100.92.0.0/16 6697 Republican Unitary Telecommun
100.93.0.0/16 6697 Republican Unitary Telecommun
100.94.0.0/16 6697 Republican Unitary Telecommun
100.95.0.0/16 6697 Republican Unitary Telecommun
100.96.0.0/14 6697 Republican Unitary Telecommun
100.104.0.0/13 6697 Republican Unitary Telecommun
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
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<<
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 /10:30 /11:90 /12:261
/13:502 /14:987 /15:1707 /16:13049 /17:7054 /18:11764
/19:24634 /20:35318 /21:37747 /22:54525 /23:47785 /24:271789
/25:1079 /26:1028 /27:665 /28:15 /29:19 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2139 2902 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1674 2895 BellSouth.net Inc.
30036 1372 1522 Mediacom Communications Corp
6147 1313 1738 Telefonica del Peru S.A.A.
6983 1167 1466 ITC^Deltacom
7029 1156 1914 Windstream Communications Inc
11492 1121 1170 CABLE ONE, INC.
34984 1072 1751 TELLCOM ILETISIM HIZMETLERI A
10620 1036 2953 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1327 2:662 3:3 4:17 5:1119 6:21
8:750 12:1860 13:4 14:1112 15:17 16:2
17:39 18:21 20:51 23:914 24:1808 27:1782
31:1406 32:39 33:2 34:5 36:139 37:1784
38:964 39:14 40:221 41:2535 42:271 43:271
44:16 45:65 46:2122 47:24 49:733 50:824
52:12 54:51 55:6 56:4 57:32 58:1199
59:662 60:425 61:1692 62:1236 63:1837 64:4375
65:2298 66:4205 67:2027 68:1033 69:3253 70:864
71:478 72:2020 74:2575 75:369 76:421 77:1610
78:801 79:722 80:1321 81:1205 82:784 83:770
84:760 85:1322 86:437 87:1159 88:463 89:1785
90:138 91:5702 92:768 93:1801 94:2020 95:1594
96:423 97:342 98:1160 99:49 100:66 101:713
103:5513 104:213 105:39 106:180 107:622 108:570
109:1986 110:1029 111:1352 112:715 113:862 114:773
115:1194 116:1108 117:990 118:1561 119:1425 120:423
121:969 122:2192 123:1613 124:1427 125:1574 128:582
129:348 130:362 131:765 132:429 133:165 134:319
135:76 136:302 137:288 138:384 139:204 140:218
141:407 142:575 143:433 144:509 145:115 146:626
147:550 148:969 149:433 150:474 151:601 152:463
153:242 154:341 155:531 156:359 157:328 158:278
159:932 160:329 161:589 162:1722 163:350 164:701
165:652 166:361 167:671 168:1125 169:122 170:1398
171:184 172:65 173:1618 174:702 175:609 176:1482
177:3520 178:2072 179:765 180:1782 181:1590 182:1653
183:555 184:714 185:2018 186:2978 187:1711 188:2202
189:1493 190:7854 191:756 192:7521 193:5504 194:4049
195:3556 196:1422 197:688 198:5142 199:5479 200:6445
201:2869 202:9171 203:9004 204:4546 205:2646 206:2943
207:2914 208:3922 209:3768 210:3302 211:1828 212:2322
213:2125 214:859 215:86 216:5621 217:1693 218:613
219:407 220:1365 221:686 222:481 223:598
End of report
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