[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 10 18:03:19 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 11 May, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 753151
Prefixes after maximum aggregation (per Origin AS): 288263
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 360475
Total ASes present in the Internet Routing Table: 64188
Prefixes per ASN: 11.73
Origin-only ASes present in the Internet Routing Table: 55224
Origin ASes announcing only one prefix: 23795
Transit ASes present in the Internet Routing Table: 8964
Transit-only ASes present in the Internet Routing Table: 270
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN ( 8697) 27
Prefixes from unregistered ASNs in the Routing Table: 24
Number of instances of unregistered ASNs: 28
Number of 32-bit ASNs allocated by the RIRs: 26896
Number of 32-bit ASNs visible in the Routing Table: 22003
Prefixes from 32-bit ASNs in the Routing Table: 97673
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 259
Number of addresses announced to Internet: 2850178944
Equivalent to 169 /8s, 226 /16s and 71 /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: 252122
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 203409
Total APNIC prefixes after maximum aggregation: 59122
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 199716
Unique aggregates announced from the APNIC address blocks: 82255
APNIC Region origin ASes present in the Internet Routing Table: 9722
APNIC Prefixes per ASN: 20.54
APNIC Region origin ASes announcing only one prefix: 2722
APNIC Region transit ASes present in the Internet Routing Table: 1448
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4726
Number of APNIC addresses announced to Internet: 773680000
Equivalent to 46 /8s, 29 /16s and 107 /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: 224174
Total ARIN prefixes after maximum aggregation: 104803
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 223364
Unique aggregates announced from the ARIN address blocks: 105536
ARIN Region origin ASes present in the Internet Routing Table: 18471
ARIN Prefixes per ASN: 12.09
ARIN Region origin ASes announcing only one prefix: 6857
ARIN Region transit ASes present in the Internet Routing Table: 1899
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2701
Number of ARIN addresses announced to Internet: 1077912448
Equivalent to 64 /8s, 63 /16s and 163 /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: 207169
Total RIPE prefixes after maximum aggregation: 98242
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 203505
Unique aggregates announced from the RIPE address blocks: 120752
RIPE Region origin ASes present in the Internet Routing Table: 26052
RIPE Prefixes per ASN: 7.81
RIPE Region origin ASes announcing only one prefix: 11566
RIPE Region transit ASes present in the Internet Routing Table: 3718
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: 8100
Number of RIPE addresses announced to Internet: 719259008
Equivalent to 42 /8s, 223 /16s and 5 /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: 96963
Total LACNIC prefixes after maximum aggregation: 21780
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 98376
Unique aggregates announced from the LACNIC address blocks: 42592
LACNIC Region origin ASes present in the Internet Routing Table: 8385
LACNIC Prefixes per ASN: 11.73
LACNIC Region origin ASes announcing only one prefix: 2216
LACNIC Region transit ASes present in the Internet Routing Table: 1540
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5924
Number of LACNIC addresses announced to Internet: 173985536
Equivalent to 10 /8s, 94 /16s and 207 /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: 21411
Total AfriNIC prefixes after maximum aggregation: 4297
AfriNIC Deaggregation factor: 4.98
Prefixes being announced from the AfriNIC address blocks: 27931
Unique aggregates announced from the AfriNIC address blocks: 9104
AfriNIC Region origin ASes present in the Internet Routing Table: 1272
AfriNIC Prefixes per ASN: 21.96
AfriNIC Region origin ASes announcing only one prefix: 434
AfriNIC Region transit ASes present in the Internet Routing Table: 244
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 552
Number of AfriNIC addresses announced to Internet: 104790272
Equivalent to 6 /8s, 62 /16s and 249 /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 4740 546 553 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 3197 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3159 1443 27 VIETEL-AS-AP Viettel Group, VN
45899 3032 1741 111 VNPT-AS-VN VNPT Corp, VN
9808 2938 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2734 1496 551 BSNL-NIB National Internet Backbone, IN
4766 2543 11120 760 KIXS-AS-KR Korea Telecom, KR
9394 2155 4882 26 CTTNET China TieTong Telecommunications
4755 2138 429 184 TATACOMM-AS TATA Communications formerl
9498 2052 427 170 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
6327 3656 1325 93 SHAW - Shaw Communications Inc., CA
11492 3651 238 584 CABLEONE - CABLE ONE, INC., US
7155 3566 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
22773 3399 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2606 5529 1153 AMAZON-02 - Amazon.com, Inc., US
16625 2432 1330 1843 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2160 350 176 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2146 2747 527 CHARTER-20115 - Charter Communications,
18566 2101 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 5430 1629 140 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3219 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2670 530 1926 AKAMAI-ASN1, US
12389 2243 2222 642 ROSTELECOM-AS, RU
34984 2078 343 541 TELLCOM-AS, TR
9121 1668 1692 18 TTNET, TR
13188 1601 100 47 TRIOLAN, UA
9009 1451 151 787 M247, GB
8402 1230 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 5754 3359 592 Uninet S.A. de C.V., MX
10620 3424 534 418 Telmex Colombia S.A., CO
11830 2708 384 34 Instituto Costarricense de Electricidad
7303 1474 1015 248 Telecom Argentina S.A., AR
28573 1358 2238 198 CLARO S.A., BR
6503 1263 433 53 Axtel, S.A.B. de C.V., MX
6147 1200 377 30 Telefonica del Peru S.A.A., PE
3816 1086 523 143 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 968 512 241 Mega Cable, S.A. de C.V., MX
11172 938 144 62 Alestra, S. de R.L. 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 1175 393 21 LINKdotNET-AS, EG
37611 906 107 9 Afrihost, ZA
24835 888 648 21 RAYA-AS, EG
36992 836 1536 69 ETISALAT-MISR, EG
36903 827 416 126 MT-MPLS, MA
8452 684 1731 19 TE-AS TE-AS, EG
29571 511 68 11 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 5754 3359 592 Uninet S.A. de C.V., MX
12479 5430 1629 140 UNI2-AS, ES
7545 4740 546 553 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3656 1325 93 SHAW - Shaw Communications Inc., CA
11492 3651 238 584 CABLEONE - CABLE ONE, INC., US
7155 3566 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
10620 3424 534 418 Telmex Colombia S.A., CO
22773 3399 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3219 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 5430 5290 UNI2-AS, ES
7545 4740 4187 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3656 3563 SHAW - Shaw Communications Inc., CA
7155 3566 3541 VIASAT-SP-BACKBONE - ViaSat,Inc., US
22773 3399 3242 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3219 3174 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3159 3132 VIETEL-AS-AP Viettel Group, VN
4538 3197 3123 ERX-CERNET-BKB China Education and Research Net
11492 3651 3067 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
65551 DOCUMENT 149.165.246.0/24 19782 INDIANAGIGAPOP - Indiana Unive
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&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.247.128.0/17 53889 MICFO - Micfo, LLC., US
23.247.197.0/24 53889 MICFO - Micfo, LLC., US
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
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 /12:295
/13:571 /14:1131 /15:1911 /16:13328 /17:8004 /18:13977
/19:25784 /20:40294 /21:46929 /22:93824 /23:76497 /24:429533
/25:914 /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 4362 5430 UNI2-AS, ES
6327 3431 3656 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
7155 2930 3566 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 2858 3651 CABLEONE - CABLE ONE, INC., US
8551 2673 3219 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2638 3399 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2053 2708 Instituto Costarricense de Electricidad y Telec
18566 1996 2101 MEGAPATH5-US - MegaPath Corporation, US
30036 1910 2160 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1599 2:1018 3:6 4:21 5:3161 6:47
7:1 8:1303 9:1 12:1802 13:340 14:1996
15:37 16:4 17:262 18:58 20:52 23:2696
24:2501 25:2 27:2454 31:1974 32:100 35:36
36:858 37:3025 38:1738 39:293 40:122 41:3286
42:780 43:2038 44:149 45:7712 46:3284 47:257
49:1364 50:1106 51:322 52:1012 54:282 55:704
56:6 57:44 58:1734 59:1060 60:502 61:2177
62:2188 63:1827 64:4966 65:2202 66:4827 67:2775
68:1161 69:3536 70:1360 71:625 72:2623 74:2746
75:1257 76:556 77:1781 78:1817 79:2281 80:1809
81:1504 82:1126 83:953 84:1132 85:2288 86:524
87:1550 88:1051 89:2650 90:217 91:6565 92:1395
93:2493 94:2513 95:3264 96:944 97:344 98:958
99:751 100:87 101:1159 102:567 103:21154 104:3561
105:257 106:782 107:1786 108:695 109:3747 110:1661
111:2055 112:1503 113:1405 114:1233 115:1712 116:1748
117:1909 118:2102 119:1627 120:1025 121:1043 122:2360
123:1710 124:1495 125:1949 128:1253 129:831 130:538
131:1822 132:787 133:222 134:1094 135:241 136:571
137:761 138:2060 139:877 140:645 141:882 142:795
143:1055 144:891 145:496 146:1266 147:838 148:1705
149:912 150:791 151:1020 152:1063 153:333 154:3012
155:919 156:1638 157:989 158:658 159:1951 160:1605
161:924 162:2756 163:814 164:1201 165:1590 166:431
167:1415 168:3334 169:874 170:4124 171:577 172:1575
173:2203 174:1044 175:927 176:2320 177:4224 178:2535
179:1395 180:2093 181:2421 182:2689 183:1113 184:2054
185:15139 186:3705 187:2487 188:2918 189:1973 190:8229
191:1599 192:10062 193:6663 194:5449 195:4119 196:3099
197:1791 198:5920 199:5987 200:7149 201:5123 202:10449
203:10089 204:4551 205:3037 206:3240 207:3240 208:3946
209:4239 210:3931 211:2020 212:3103 213:2950 214:1085
215:55 216:5926 217:2220 218:877 219:596 220:1862
221:968 222:989 223:1377
End of report
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