[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 22 18:03:28 UTC 2019
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 23 Feb, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 738085
Prefixes after maximum aggregation (per Origin AS): 285259
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 355452
Total ASes present in the Internet Routing Table: 63351
Prefixes per ASN: 11.65
Origin-only ASes present in the Internet Routing Table: 54573
Origin ASes announcing only one prefix: 23640
Transit ASes present in the Internet Routing Table: 8778
Transit-only ASes present in the Internet Routing Table: 273
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 28
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 33
Number of instances of unregistered ASNs: 36
Number of 32-bit ASNs allocated by the RIRs: 25890
Number of 32-bit ASNs visible in the Routing Table: 21087
Prefixes from 32-bit ASNs in the Routing Table: 91866
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 266
Number of addresses announced to Internet: 2843064419
Equivalent to 169 /8s, 117 /16s and 184 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.2
Total number of prefixes smaller than registry allocations: 247477
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200761
Total APNIC prefixes after maximum aggregation: 57719
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 197814
Unique aggregates announced from the APNIC address blocks: 81690
APNIC Region origin ASes present in the Internet Routing Table: 9461
APNIC Prefixes per ASN: 20.91
APNIC Region origin ASes announcing only one prefix: 2664
APNIC Region transit ASes present in the Internet Routing Table: 1406
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: 4462
Number of APNIC addresses announced to Internet: 769878530
Equivalent to 45 /8s, 227 /16s and 106 /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: 218439
Total ARIN prefixes after maximum aggregation: 103601
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 217467
Unique aggregates announced from the ARIN address blocks: 104185
ARIN Region origin ASes present in the Internet Routing Table: 18390
ARIN Prefixes per ASN: 11.83
ARIN Region origin ASes announcing only one prefix: 6858
ARIN Region transit ASes present in the Internet Routing Table: 1855
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2587
Number of ARIN addresses announced to Internet: 1079283360
Equivalent to 64 /8s, 84 /16s and 142 /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: 202798
Total RIPE prefixes after maximum aggregation: 96883
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 199086
Unique aggregates announced from the RIPE address blocks: 118225
RIPE Region origin ASes present in the Internet Routing Table: 25850
RIPE Prefixes per ASN: 7.70
RIPE Region origin ASes announcing only one prefix: 11486
RIPE Region transit ASes present in the Internet Routing Table: 3635
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: 7860
Number of RIPE addresses announced to Internet: 716922304
Equivalent to 42 /8s, 187 /16s and 93 /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: 95402
Total LACNIC prefixes after maximum aggregation: 22763
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 96829
Unique aggregates announced from the LACNIC address blocks: 41885
LACNIC Region origin ASes present in the Internet Routing Table: 8110
LACNIC Prefixes per ASN: 11.94
LACNIC Region origin ASes announcing only one prefix: 2206
LACNIC Region transit ASes present in the Internet Routing Table: 1523
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5656
Number of LACNIC addresses announced to Internet: 173272832
Equivalent to 10 /8s, 83 /16s and 239 /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: 20651
Total AfriNIC prefixes after maximum aggregation: 4271
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 26623
Unique aggregates announced from the AfriNIC address blocks: 9235
AfriNIC Region origin ASes present in the Internet Routing Table: 1247
AfriNIC Prefixes per ASN: 21.35
AfriNIC Region origin ASes announcing only one prefix: 426
AfriNIC Region transit ASes present in the Internet Routing Table: 245
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 522
Number of AfriNIC addresses announced to Internet: 103365888
Equivalent to 6 /8s, 41 /16s and 61 /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 4654 542 544 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4653 4192 74 ERX-CERNET-BKB China Education and Rese
45899 3244 1737 111 VNPT-AS-VN VNPT Corp, VN
7552 3094 1240 49 VIETEL-AS-AP Viettel Group, VN
4766 2805 11127 770 KIXS-AS-KR Korea Telecom, KR
9829 2752 1496 552 BSNL-NIB National Internet Backbone, IN
9808 2524 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2326 4906 29 CTTNET China TieTong Telecommunications
4755 2143 422 180 TATACOMM-AS TATA Communications formerl
17974 2005 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
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 3584 1326 92 SHAW - Shaw Communications Inc., CA
11492 3517 227 602 CABLEONE - CABLE ONE, INC., US
22773 3303 2977 165 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2491 5369 1051 AMAZON-02 - Amazon.com, Inc., US
16625 2272 1261 1743 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2151 2744 535 CHARTER-20115 - Charter Communications,
18566 2123 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2105 349 221 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2090 5094 584 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
5650 2089 3074 1462 FRONTIER-FRTR - Frontier Communications
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 5337 1626 137 UNI2-AS, ES
39891 3649 195 21 ALJAWWALSTC-AS, SA
8551 3249 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2635 550 1911 AKAMAI-ASN1, US
12389 2224 2221 637 ROSTELECOM-AS, RU
34984 2060 340 533 TELLCOM-AS, TR
9121 1679 1692 18 TTNET, TR
13188 1604 100 46 TRIOLAN, UA
9009 1344 145 747 M247, GB
8402 1298 545 15 CORBINA-AS OJSC "Vimpelcom", RU
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 5579 3330 591 Uninet S.A. de C.V., MX
10620 2745 411 1053 Telmex Colombia S.A., CO
11830 2699 384 34 Instituto Costarricense de Electricidad
6503 1508 433 54 Axtel, S.A.B. de C.V., MX
7303 1418 947 237 Telecom Argentina S.A., AR
28573 1284 2246 195 CLARO S.A., BR
6147 1269 377 28 Telefonica del Peru S.A.A., PE
3816 1022 506 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 931 144 66 Alestra, S. de R.L. de C.V., MX
13999 929 533 244 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 1226 393 21 LINKdotNET-AS, EG
37611 926 107 9 Afrihost, ZA
24835 847 636 22 RAYA-AS, EG
36992 808 1534 57 ETISALAT-MISR, EG
36903 807 406 151 MT-MPLS, MA
8452 688 1731 20 TE-AS TE-AS, EG
29571 486 70 13 ORANGE-COTE-IVOIRE, CI
37492 470 470 57 ORANGE-, TN
15399 428 45 11 WANANCHI-, KE
37342 420 32 1 MOVITEL, MZ
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 5579 3330 591 Uninet S.A. de C.V., MX
12479 5337 1626 137 UNI2-AS, ES
7545 4654 542 544 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4653 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3649 195 21 ALJAWWALSTC-AS, SA
6327 3584 1326 92 SHAW - Shaw Communications Inc., CA
11492 3517 227 602 CABLEONE - CABLE ONE, INC., US
22773 3303 2977 165 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3249 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
45899 3244 1737 111 VNPT-AS-VN VNPT Corp, VN
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 5337 5200 UNI2-AS, ES
4538 4653 4579 ERX-CERNET-BKB China Education and Research Net
7545 4654 4110 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3649 3628 ALJAWWALSTC-AS, SA
6327 3584 3492 SHAW - Shaw Communications Inc., CA
8551 3249 3204 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3303 3138 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
45899 3244 3133 VNPT-AS-VN VNPT Corp, VN
7552 3094 3045 VIETEL-AS-AP Viettel Group, VN
11492 3517 2915 CABLEONE - CABLE ONE, INC., US
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
268721 UNALLOCATED 45.171.152.0/22 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.152.0/23 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.152.0/24 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.153.0/24 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.154.0/23 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.154.0/24 263877 rede banda larga, BR
268721 UNALLOCATED 45.171.155.0/24 263877 rede banda larga, BR
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
1358592 UNALLOCATED 103.134.14.0/23 63956 COLO-AS-AP Colocation Australi
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
23.175.32.0/24 4508 NEUSTYLE - NeuStyle, CA
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
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
41.220.48.0/20 36900 -Reserved AS-, ZZ
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 /9:10 /10:36 /11:100 /12:291
/13:567 /14:1134 /15:1906 /16:13369 /17:7906 /18:13896
/19:25719 /20:39953 /21:46096 /22:92157 /23:75178 /24:416835
/25:949 /26:833 /27:892 /28:27 /29:7 /30:15
/31:0 /32:197
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4216 5337 UNI2-AS, ES
6327 3358 3584 SHAW - Shaw Communications Inc., CA
39891 2946 3649 ALJAWWALSTC-AS, SA
11492 2770 3517 CABLEONE - CABLE ONE, INC., US
8551 2705 3249 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2543 3303 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2044 2699 Instituto Costarricense de Electricidad y Telec
18566 2018 2123 MEGAPATH5-US - MegaPath Corporation, US
30036 1852 2105 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2089 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)
----------------------------------------------
1:1606 2:885 4:22 5:2755 6:47 7:1
8:1179 12:1859 13:313 14:1905 15:38 16:4
17:221 18:59 20:49 23:2583 24:2521 25:2
27:2560 31:2075 32:94 35:36 36:823 37:3033
38:1689 39:294 40:122 41:3139 42:739 43:2007
44:143 45:6726 46:3262 47:250 49:1343 50:1094
51:191 52:1024 54:289 55:1 56:6 57:41
58:1708 59:1064 60:494 61:2054 62:2040 63:1794
64:4986 65:2194 66:4821 67:2697 68:1161 69:3514
70:1326 71:600 72:2375 74:2755 75:512 76:547
77:1689 78:1764 79:2325 80:1710 81:1446 82:1115
83:867 84:1104 85:2164 86:553 87:1537 88:1014
89:2426 90:216 91:6573 92:1234 93:2473 94:2494
95:3246 96:921 97:346 98:940 99:206 100:86
101:1149 102:416 103:20069 104:3513 105:247 106:871
107:1761 108:697 109:3685 110:1629 111:1874 112:1395
113:1438 114:1132 115:1716 116:1697 117:1917 118:2140
119:1617 120:1048 121:1031 122:2286 123:1639 124:1448
125:1959 128:1245 129:680 130:526 131:1626 132:721
133:218 134:1050 135:240 136:555 137:707 138:2037
139:842 140:574 141:820 142:801 143:1042 144:838
145:505 146:1259 147:794 148:1690 149:782 150:779
151:1008 152:1013 153:321 154:2584 155:984 156:1689
157:907 158:670 159:1923 160:1517 161:916 162:2674
163:784 164:1133 165:1569 166:434 167:1393 168:3266
169:869 170:4010 171:557 172:1106 173:2182 174:1012
175:880 176:2314 177:4012 178:2542 179:1347 180:2104
181:2430 182:2674 183:1090 184:1164 185:14787 186:3741
187:2403 188:2890 189:1956 190:8346 191:1455 192:10044
193:6583 194:5376 195:4055 196:3001 197:1649 198:5786
199:5967 200:7174 201:5069 202:10185 203:10184 204:4612
205:2991 206:3237 207:3294 208:3967 209:4234 210:3931
211:1990 212:3055 213:2891 214:1076 215:52 216:5970
217:2195 218:916 219:579 220:1857 221:996 222:993
223:1444
End of report
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