[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 28 18:03:12 UTC 2018
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
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 29 Dec, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 732568
Prefixes after maximum aggregation (per Origin AS): 281558
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 352396
Total ASes present in the Internet Routing Table: 62800
Prefixes per ASN: 11.67
Origin-only ASes present in the Internet Routing Table: 54121
Origin ASes announcing only one prefix: 23521
Transit ASes present in the Internet Routing Table: 8679
Transit-only ASes present in the Internet Routing Table: 267
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 23
Number of instances of unregistered ASNs: 25
Number of 32-bit ASNs allocated by the RIRs: 25337
Number of 32-bit ASNs visible in the Routing Table: 20536
Prefixes from 32-bit ASNs in the Routing Table: 88512
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 259
Number of addresses announced to Internet: 2839468257
Equivalent to 169 /8s, 62 /16s and 216 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.1
Total number of prefixes smaller than registry allocations: 244625
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200435
Total APNIC prefixes after maximum aggregation: 56892
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 197466
Unique aggregates announced from the APNIC address blocks: 81144
APNIC Region origin ASes present in the Internet Routing Table: 9321
APNIC Prefixes per ASN: 21.19
APNIC Region origin ASes announcing only one prefix: 2630
APNIC Region transit ASes present in the Internet Routing Table: 1388
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4321
Number of APNIC addresses announced to Internet: 769522432
Equivalent to 45 /8s, 221 /16s and 251 /24s
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, 64297-64395, 131072-139577
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: 216519
Total ARIN prefixes after maximum aggregation: 102857
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 215874
Unique aggregates announced from the ARIN address blocks: 103478
ARIN Region origin ASes present in the Internet Routing Table: 18306
ARIN Prefixes per ASN: 11.79
ARIN Region origin ASes announcing only one prefix: 6808
ARIN Region transit ASes present in the Internet Routing Table: 1848
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2525
Number of ARIN addresses announced to Internet: 1077225376
Equivalent to 64 /8s, 53 /16s and 39 /24s
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, 64198-64296, 393216-399260
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: 200375
Total RIPE prefixes after maximum aggregation: 95545
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 196692
Unique aggregates announced from the RIPE address blocks: 116262
RIPE Region origin ASes present in the Internet Routing Table: 25722
RIPE Prefixes per ASN: 7.65
RIPE Region origin ASes announcing only one prefix: 11490
RIPE Region transit ASes present in the Internet Routing Table: 3605
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7702
Number of RIPE addresses announced to Internet: 716094016
Equivalent to 42 /8s, 174 /16s and 186 /24s
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, 64396-64495
196608-210331
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: 95041
Total LACNIC prefixes after maximum aggregation: 22021
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 96416
Unique aggregates announced from the LACNIC address blocks: 42165
LACNIC Region origin ASes present in the Internet Routing Table: 7933
LACNIC Prefixes per ASN: 12.15
LACNIC Region origin ASes announcing only one prefix: 2171
LACNIC Region transit ASes present in the Internet Routing Table: 1488
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5482
Number of LACNIC addresses announced to Internet: 173221888
Equivalent to 10 /8s, 83 /16s and 40 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20174
Total AfriNIC prefixes after maximum aggregation: 4225
AfriNIC Deaggregation factor: 4.77
Prefixes being announced from the AfriNIC address blocks: 25861
Unique aggregates announced from the AfriNIC address blocks: 9108
AfriNIC Region origin ASes present in the Internet Routing Table: 1235
AfriNIC Prefixes per ASN: 20.94
AfriNIC Region origin ASes announcing only one prefix: 422
AfriNIC Region transit ASes present in the Internet Routing Table: 243
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 506
Number of AfriNIC addresses announced to Internet: 103003648
Equivalent to 6 /8s, 35 /16s and 182 /24s
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
7545 4656 515 522 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4642 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3019 1160 92 VIETEL-AS-AP Viettel Group, VN
45899 2982 1717 115 VNPT-AS-VN VNPT Corp, VN
4766 2815 11129 768 KIXS-AS-KR Korea Telecom, KR
9829 2749 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2504 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2399 4906 29 CTTNET China TieTong Telecommunications
17974 2253 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2140 437 181 TATACOMM-AS TATA Communications formerl
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
6327 3502 1326 91 SHAW - Shaw Communications Inc., CA
11492 3481 225 607 CABLEONE - CABLE ONE, INC., US
22773 3305 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2594 5291 972 AMAZON-02 - Amazon.com, Inc., US
16625 2200 1229 1691 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2151 2754 534 CHARTER-20115 - Charter Communications,
18566 2143 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2088 349 169 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2074 5077 588 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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
12479 5249 1629 139 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3247 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2622 576 1931 AKAMAI-ASN1, US
12389 2228 2221 626 ROSTELECOM-AS, RU
34984 2036 337 533 TELLCOM-AS, TR
9121 1676 1691 17 TTNET, TR
13188 1604 100 46 TRIOLAN, UA
8402 1299 544 17 CORBINA-AS OJSC "Vimpelcom", RU
9009 1201 129 675 M247, GB
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
8151 5466 3317 591 Uninet S.A. de C.V., MX
10620 3148 476 896 Telmex Colombia S.A., CO
11830 2676 371 71 Instituto Costarricense de Electricidad
6503 1649 449 54 Axtel, S.A.B. de C.V., MX
7303 1440 961 228 Telecom Argentina S.A., AR
28573 1195 2237 181 CLARO S.A., BR
6147 1079 377 29 Telefonica del Peru S.A.A., PE
3816 1025 511 112 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 942 144 68 Alestra, S. de R.L. de C.V., MX
13999 934 538 258 Mega Cable, S.A. de C.V., MX
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 1164 393 24 LINKdotNET-AS, EG
37611 898 107 9 Afrihost, ZA
36903 797 401 139 MT-MPLS, MA
36992 780 1411 44 ETISALAT-MISR, EG
24835 683 634 21 RAYA-AS, EG
8452 642 1731 19 TE-AS TE-AS, EG
29571 481 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
37342 421 32 1 MOVITEL, MZ
15399 415 45 11 WANANCHI-, KE
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
8151 5466 3317 591 Uninet S.A. de C.V., MX
12479 5249 1629 139 UNI2-AS, ES
7545 4656 515 522 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4642 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3502 1326 91 SHAW - Shaw Communications Inc., CA
11492 3481 225 607 CABLEONE - CABLE ONE, INC., US
22773 3305 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3247 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3148 476 896 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5249 5110 UNI2-AS, ES
4538 4642 4568 ERX-CERNET-BKB China Education and Research Net
7545 4656 4134 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3502 3411 SHAW - Shaw Communications Inc., CA
8551 3247 3204 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3305 3130 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3019 2927 VIETEL-AS-AP Viettel Group, VN
11492 3481 2874 CABLEONE - CABLE ONE, INC., US
45899 2982 2867 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
4200058511 PRIVATE 103.111.177.0/24 137522 OERL-AS-AP Origin Energy Retai
4200058511 PRIVATE 103.111.178.0/24 137522 OERL-AS-AP Origin Energy Retai
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.184.9.0/24 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.220.64.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:12 /9:11 /10:36 /11:99 /12:291
/13:568 /14:1127 /15:1912 /16:13351 /17:7872 /18:13853
/19:25519 /20:39687 /21:46137 /22:91161 /23:74541 /24:413536
/25:925 /26:813 /27:868 /28:32 /29:19 /30:7
/31:2 /32:189
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4101 5249 UNI2-AS, ES
6327 3266 3502 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2764 3481 CABLEONE - CABLE ONE, INC., US
8551 2703 3247 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2544 3305 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2038 2143 MEGAPATH5-US - MegaPath Corporation, US
11830 2021 2676 Instituto Costarricense de Electricidad y Telec
30036 1837 2088 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1614 2:888 3:1 4:23 5:2769 6:43
7:1 8:1173 12:1877 13:302 14:1886 15:36
16:2 17:209 18:59 20:48 23:2551 24:2416
25:2 27:2550 31:2019 32:92 35:31 36:828
37:3000 38:1599 39:279 40:119 41:3148 42:728
43:2000 44:137 45:6425 46:3105 47:244 49:1333
50:1076 51:319 52:1085 54:363 55:1 56:6
57:41 58:1713 59:1071 60:461 61:2091 62:2157
63:1812 64:5077 65:2183 66:4803 67:2684 68:1160
69:3432 70:1144 71:603 72:2264 74:2740 75:406
76:526 77:1715 78:1710 79:2283 80:1636 81:1384
82:1080 83:876 84:1064 85:2127 86:563 87:1501
88:988 89:2417 90:211 91:6525 92:1261 93:2358
94:2360 95:3142 96:906 97:349 98:936 99:169
100:88 101:1166 102:337 103:19574 104:3559 105:242
106:888 107:1835 108:702 109:3644 110:1635 111:1904
112:1395 113:1382 114:1142 115:1721 116:1617 117:1928
118:2202 119:1690 120:1140 121:1029 122:2356 123:1628
124:1446 125:1948 128:1192 129:690 130:523 131:1650
132:716 133:193 134:1043 135:229 136:537 137:675
138:1958 139:777 140:568 141:763 142:797 143:995
144:855 145:504 146:1249 147:770 148:1703 149:790
150:787 151:994 152:933 153:326 154:2399 155:963
156:1635 157:851 158:656 159:1889 160:1490 161:904
162:2660 163:770 164:1123 165:1590 166:466 167:1358
168:3219 169:868 170:3989 171:497 172:1069 173:2144
174:997 175:879 176:2228 177:4063 178:2531 179:1289
180:2091 181:2361 182:2674 183:1352 184:1137 185:14506
186:3660 187:2485 188:2965 189:2097 190:8264 191:1428
192:10011 193:6488 194:5329 195:4049 196:3032 197:1719
198:5677 199:5973 200:7407 201:5015 202:10247 203:10233
204:4595 205:3021 206:3274 207:3262 208:3937 209:4193
210:3890 211:2006 212:3116 213:2828 214:1069 215:52
216:5962 217:2189 218:881 219:576 220:1835 221:997
222:976 223:1419
End of report
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