[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 26 18:03:20 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 27 Apr, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 748157
Prefixes after maximum aggregation (per Origin AS): 287073
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 360249
Total ASes present in the Internet Routing Table: 63999
Prefixes per ASN: 11.69
Origin-only ASes present in the Internet Routing Table: 55033
Origin ASes announcing only one prefix: 23727
Transit ASes present in the Internet Routing Table: 8966
Transit-only ASes present in the Internet Routing Table: 278
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 24
Number of instances of unregistered ASNs: 27
Number of 32-bit ASNs allocated by the RIRs: 26729
Number of 32-bit ASNs visible in the Routing Table: 21812
Prefixes from 32-bit ASNs in the Routing Table: 95805
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 236
Number of addresses announced to Internet: 2850096512
Equivalent to 169 /8s, 225 /16s and 5 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
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: 250340
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 201578
Total APNIC prefixes after maximum aggregation: 58375
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 198234
Unique aggregates announced from the APNIC address blocks: 82785
APNIC Region origin ASes present in the Internet Routing Table: 9678
APNIC Prefixes per ASN: 20.48
APNIC Region origin ASes announcing only one prefix: 2708
APNIC Region transit ASes present in the Internet Routing Table: 1440
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4677
Number of APNIC addresses announced to Internet: 773820800
Equivalent to 46 /8s, 31 /16s and 145 /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: 222607
Total ARIN prefixes after maximum aggregation: 104561
ARIN Deaggregation factor: 2.13
Prefixes being announced from the ARIN address blocks: 221648
Unique aggregates announced from the ARIN address blocks: 105453
ARIN Region origin ASes present in the Internet Routing Table: 18445
ARIN Prefixes per ASN: 12.02
ARIN Region origin ASes announcing only one prefix: 6851
ARIN Region transit ASes present in the Internet Routing Table: 1907
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2678
Number of ARIN addresses announced to Internet: 1078683008
Equivalent to 64 /8s, 75 /16s and 101 /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: 206049
Total RIPE prefixes after maximum aggregation: 98153
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 202399
Unique aggregates announced from the RIPE address blocks: 120183
RIPE Region origin ASes present in the Internet Routing Table: 25990
RIPE Prefixes per ASN: 7.79
RIPE Region origin ASes announcing only one prefix: 11533
RIPE Region transit ASes present in the Internet Routing Table: 3705
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8042
Number of RIPE addresses announced to Internet: 718891648
Equivalent to 42 /8s, 217 /16s and 106 /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: 96408
Total LACNIC prefixes after maximum aggregation: 21667
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 97780
Unique aggregates announced from the LACNIC address blocks: 42467
LACNIC Region origin ASes present in the Internet Routing Table: 8315
LACNIC Prefixes per ASN: 11.76
LACNIC Region origin ASes announcing only one prefix: 2194
LACNIC Region transit ASes present in the Internet Routing Table: 1537
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: 5861
Number of LACNIC addresses announced to Internet: 173704448
Equivalent to 10 /8s, 90 /16s and 133 /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: 21490
Total AfriNIC prefixes after maximum aggregation: 4298
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 27860
Unique aggregates announced from the AfriNIC address blocks: 9142
AfriNIC Region origin ASes present in the Internet Routing Table: 1277
AfriNIC Prefixes per ASN: 21.82
AfriNIC Region origin ASes announcing only one prefix: 441
AfriNIC Region transit ASes present in the Internet Routing Table: 245
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 554
Number of AfriNIC addresses announced to Internet: 104743936
Equivalent to 6 /8s, 62 /16s and 68 /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 4733 546 552 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3134 1307 54 VIETEL-AS-AP Viettel Group, VN
45899 3014 1738 112 VNPT-AS-VN VNPT Corp, VN
9829 2733 1496 551 BSNL-NIB National Internet Backbone, IN
4766 2547 11120 761 KIXS-AS-KR Korea Telecom, KR
9808 2448 8699 27 CMNET-GD Guangdong Mobile Communication
9394 2176 4898 27 CTTNET China TieTong Telecommunications
4755 2147 429 185 TATACOMM-AS TATA Communications formerl
9498 2049 427 171 BBIL-AP BHARTI Airtel Ltd., IN
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
11492 3645 238 584 CABLEONE - CABLE ONE, INC., US
6327 3615 1325 93 SHAW - Shaw Communications Inc., CA
22773 3399 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2677 5944 1122 AMAZON-02 - Amazon.com, Inc., US
16625 2409 1320 1821 AKAMAI-AS - Akamai Technologies, Inc.,
7155 2239 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
30036 2174 356 112 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2148 2751 525 CHARTER-20115 - Charter Communications,
18566 2107 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2086 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 5432 1629 140 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3233 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2634 525 1908 AKAMAI-ASN1, US
12389 2247 2222 650 ROSTELECOM-AS, RU
34984 2078 343 540 TELLCOM-AS, TR
9121 1669 1692 18 TTNET, TR
13188 1605 100 47 TRIOLAN, UA
9009 1422 148 773 M247, GB
8402 1236 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 5708 3346 599 Uninet S.A. de C.V., MX
10620 3446 538 377 Telmex Colombia S.A., CO
11830 2708 384 34 Instituto Costarricense de Electricidad
7303 1475 1012 251 Telecom Argentina S.A., AR
28573 1344 2226 202 CLARO S.A., BR
6503 1258 433 53 Axtel, S.A.B. de C.V., MX
6147 1158 377 30 Telefonica del Peru S.A.A., PE
3816 1083 515 141 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 144 64 Alestra, S. de R.L. de C.V., MX
13999 952 512 241 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 1225 393 21 LINKdotNET-AS, EG
37611 896 107 9 Afrihost, ZA
24835 888 648 21 RAYA-AS, EG
36992 852 1531 68 ETISALAT-MISR, EG
36903 827 416 126 MT-MPLS, MA
8452 705 1731 19 TE-AS TE-AS, EG
29571 514 70 12 ORANGE-COTE-IVOIRE, CI
37492 470 470 57 ORANGE-, TN
15706 421 32 6 Sudatel, SD
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 5708 3346 599 Uninet S.A. de C.V., MX
12479 5432 1629 140 UNI2-AS, ES
7545 4733 546 552 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3645 238 584 CABLEONE - CABLE ONE, INC., US
6327 3615 1325 93 SHAW - Shaw Communications Inc., CA
10620 3446 538 377 Telmex Colombia S.A., CO
22773 3399 2976 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3233 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
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 5432 5292 UNI2-AS, ES
4538 4708 4634 ERX-CERNET-BKB China Education and Research Net
7545 4733 4181 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3615 3522 SHAW - Shaw Communications Inc., CA
22773 3399 3238 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3233 3188 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3134 3080 VIETEL-AS-AP Viettel Group, VN
10620 3446 3069 Telmex Colombia S.A., CO
11492 3645 3061 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
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
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&
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
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
41.242.92.0/24 37643 -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 /10:37 /11:100 /12:294
/13:569 /14:1131 /15:1908 /16:13381 /17:7974 /18:13916
/19:25655 /20:40189 /21:46290 /22:93515 /23:75952 /24:426191
/25:1033 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4356 5432 UNI2-AS, ES
6327 3390 3615 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2854 3645 CABLEONE - CABLE ONE, INC., US
8551 2687 3233 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2634 3399 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2053 2708 Instituto Costarricense de Electricidad y Telec
18566 2002 2107 MEGAPATH5-US - MegaPath Corporation, US
30036 1921 2174 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
7155 1913 2239 VIASAT-SP-BACKBONE - ViaSat,Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1597 2:984 3:6 4:21 5:3124 6:45
7:1 8:1286 9:1 12:1802 13:334 14:1981
15:36 16:4 17:252 18:58 20:50 23:2673
24:2497 25:2 27:2483 31:1977 32:100 35:36
36:853 37:3031 38:1735 39:297 40:121 41:3293
42:780 43:2026 44:149 45:7378 46:3261 47:262
49:1366 50:1109 51:322 52:1015 54:283 55:704
56:6 57:43 58:1792 59:1075 60:501 61:2124
62:2128 63:1831 64:4948 65:2226 66:4836 67:2760
68:1178 69:3530 70:1335 71:617 72:2521 74:2754
75:693 76:543 77:1762 78:1811 79:2290 80:1807
81:1510 82:1127 83:934 84:1134 85:2275 86:523
87:1543 88:1054 89:2597 90:216 91:6571 92:1378
93:2476 94:2516 95:3248 96:941 97:344 98:956
99:508 100:87 101:1157 102:544 103:21062 104:3545
105:256 106:782 107:1787 108:686 109:3723 110:1655
111:1973 112:1486 113:1404 114:1142 115:1723 116:1749
117:1904 118:2189 119:1626 120:1021 121:1042 122:2356
123:1650 124:1470 125:1958 128:1232 129:832 130:536
131:1805 132:794 133:222 134:1088 135:241 136:570
137:749 138:2056 139:864 140:645 141:875 142:801
143:1048 144:890 145:494 146:1261 147:831 148:1717
149:831 150:788 151:1012 152:1059 153:335 154:2901
155:917 156:1635 157:964 158:657 159:1948 160:1602
161:927 162:2757 163:811 164:1198 165:1589 166:434
167:1392 168:3269 169:876 170:4115 171:579 172:1251
173:2211 174:1041 175:923 176:2325 177:4150 178:2544
179:1396 180:2092 181:2418 182:2676 183:1090 184:1709
185:14999 186:3683 187:2445 188:2949 189:1981 190:8272
191:1594 192:10063 193:6654 194:5419 195:4116 196:3151
197:1777 198:5897 199:5989 200:7134 201:5092 202:10413
203:10091 204:4554 205:3039 206:3232 207:3232 208:3959
209:4241 210:3923 211:2009 212:3145 213:2919 214:1108
215:55 216:5922 217:2235 218:882 219:584 220:1857
221:968 222:992 223:1369
End of report
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