[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 21 Juin 18:03:43 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 22 Jun, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 758445
Prefixes after maximum aggregation (per Origin AS): 292145
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 363811
Total ASes present in the Internet Routing Table: 64587
Prefixes per ASN: 11.74
Origin-only ASes present in the Internet Routing Table: 55576
Origin ASes announcing only one prefix: 23900
Transit ASes present in the Internet Routing Table: 9011
Transit-only ASes present in the Internet Routing Table: 266
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 22
Number of instances of unregistered ASNs: 25
Number of 32-bit ASNs allocated by the RIRs: 27493
Number of 32-bit ASNs visible in the Routing Table: 22425
Prefixes from 32-bit ASNs in the Routing Table: 101104
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 242
Number of addresses announced to Internet: 2838596992
Equivalent to 169 /8s, 49 /16s and 141 /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: 99.3
Total number of prefixes smaller than registry allocations: 251945
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 205491
Total APNIC prefixes after maximum aggregation: 61201
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 201205
Unique aggregates announced from the APNIC address blocks: 83664
APNIC Region origin ASes present in the Internet Routing Table: 9827
APNIC Prefixes per ASN: 20.47
APNIC Region origin ASes announcing only one prefix: 2737
APNIC Region transit ASes present in the Internet Routing Table: 1462
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: 4828
Number of APNIC addresses announced to Internet: 770999424
Equivalent to 45 /8s, 244 /16s and 132 /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, 131072-141625
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: 225662
Total ARIN prefixes after maximum aggregation: 105372
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 224886
Unique aggregates announced from the ARIN address blocks: 106070
ARIN Region origin ASes present in the Internet Routing Table: 18506
ARIN Prefixes per ASN: 12.15
ARIN Region origin ASes announcing only one prefix: 6856
ARIN Region transit ASes present in the Internet Routing Table: 1898
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2765
Number of ARIN addresses announced to Internet: 1068113536
Equivalent to 63 /8s, 170 /16s and 30 /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, 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: 208786
Total RIPE prefixes after maximum aggregation: 98974
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 204774
Unique aggregates announced from the RIPE address blocks: 121776
RIPE Region origin ASes present in the Internet Routing Table: 26164
RIPE Prefixes per ASN: 7.83
RIPE Region origin ASes announcing only one prefix: 11575
RIPE Region transit ASes present in the Internet Routing Table: 3723
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: 8194
Number of RIPE addresses announced to Internet: 719883904
Equivalent to 42 /8s, 232 /16s and 142 /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: 97229
Total LACNIC prefixes after maximum aggregation: 22245
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 98563
Unique aggregates announced from the LACNIC address blocks: 42861
LACNIC Region origin ASes present in the Internet Routing Table: 8529
LACNIC Prefixes per ASN: 11.56
LACNIC Region origin ASes announcing only one prefix: 2286
LACNIC Region transit ASes present in the Internet Routing Table: 1555
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6078
Number of LACNIC addresses announced to Internet: 174020608
Equivalent to 10 /8s, 95 /16s and 88 /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: 21254
Total AfriNIC prefixes after maximum aggregation: 4335
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 28775
Unique aggregates announced from the AfriNIC address blocks: 9227
AfriNIC Region origin ASes present in the Internet Routing Table: 1280
AfriNIC Prefixes per ASN: 22.48
AfriNIC Region origin ASes announcing only one prefix: 446
AfriNIC Region transit ASes present in the Internet Routing Table: 253
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: 560
Number of AfriNIC addresses announced to Internet: 105327104
Equivalent to 6 /8s, 71 /16s and 42 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 4773 549 540 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3209 1467 29 VIETEL-AS-AP Viettel Group, VN
45899 3045 1757 114 VNPT-AS-VN VNPT Corp, VN
9808 2813 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2693 1490 563 BSNL-NIB National Internet Backbone, IN
4766 2526 11119 760 KIXS-AS-KR Korea Telecom, KR
4755 2137 428 181 TATACOMM-AS TATA Communications formerl
9394 2100 4882 26 CTTNET China TieTong Telecommunications
9498 2074 427 171 BBIL-AP BHARTI Airtel Ltd., IN
7713 1872 560 663 TELKOMNET-AS-AP PT Telekomunikasi Indon
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
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3674 240 624 CABLEONE - CABLE ONE, INC., US
6327 3603 1324 89 SHAW - Shaw Communications Inc., CA
22773 3421 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2927 6366 1296 AMAZON-02 - Amazon.com, Inc., US
16625 2497 1364 1874 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2175 349 160 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2760 526 CHARTER-20115 - Charter Communications,
18566 2095 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2085 3074 1461 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 5439 1629 141 UNI2-AS, ES
39891 3517 186 20 ALJAWWALSTC-AS, SA
8551 3175 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2688 513 1933 AKAMAI-ASN1, US
12389 2248 2225 636 ROSTELECOM-AS, RU
34984 2094 344 545 TELLCOM-AS, TR
9121 1647 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
9009 1556 169 857 M247, GB
61317 1489 147 429 ASDETUK http://www.heficed.com, 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 6143 3367 570 Uninet S.A. de C.V., MX
10620 3416 534 431 Telmex Colombia S.A., CO
11830 2706 370 54 Instituto Costarricense de Electricidad
7303 1476 1022 275 Telecom Argentina S.A., AR
6503 1216 441 54 Axtel, S.A.B. de C.V., MX
28573 1135 2242 204 CLARO S.A., BR
6147 1079 377 31 Telefonica del Peru S.A.A., PE
3816 1038 523 117 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 1005 516 241 Mega Cable, S.A. de C.V., MX
11172 938 128 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 1166 393 22 LINKdotNET-AS, EG
37611 969 107 9 Afrihost, ZA
24835 881 624 21 RAYA-AS, EG
36992 855 1536 70 ETISALAT-MISR, EG
36903 833 419 127 MT-MPLS, MA
8452 674 1731 19 TE-AS TE-AS, EG
29571 515 68 11 ORANGE-COTE-IVOIRE, CI
37492 471 470 57 ORANGE-, TN
37342 414 32 1 MOVITEL, MZ
15399 387 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 6143 3367 570 Uninet S.A. de C.V., MX
12479 5439 1629 141 UNI2-AS, ES
7545 4773 549 540 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3674 240 624 CABLEONE - CABLE ONE, INC., US
6327 3603 1324 89 SHAW - Shaw Communications Inc., CA
39891 3517 186 20 ALJAWWALSTC-AS, SA
22773 3421 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3416 534 431 Telmex Colombia S.A., CO
7552 3209 1467 29 VIETEL-AS-AP Viettel Group, 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 5439 5298 UNI2-AS, ES
7545 4773 4233 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3603 3514 SHAW - Shaw Communications Inc., CA
39891 3517 3497 ALJAWWALSTC-AS, SA
22773 3421 3265 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3209 3180 VIETEL-AS-AP Viettel Group, VN
8551 3175 3129 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3674 3050 CABLEONE - CABLE ONE, INC., US
10620 3416 2985 Telmex Colombia S.A., CO
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
267804 UNALLOCATED 45.172.108.0/22 52361 ARSAT - Empresa Argentina de S
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&
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 /8:10 /9:11 /10:37 /11:100 /12:294
/13:568 /14:1129 /15:1912 /16:13278 /17:8015 /18:13960
/19:25803 /20:40256 /21:47442 /22:94899 /23:76751 /24:433092
/25:888 /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 4392 5439 UNI2-AS, ES
6327 3393 3603 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 2878 3674 CABLEONE - CABLE ONE, INC., US
39891 2689 3517 ALJAWWALSTC-AS, SA
22773 2656 3421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2628 3175 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2051 2706 Instituto Costarricense de Electricidad y Telec
18566 1990 2095 MEGAPATH5-US - MegaPath Corporation, US
30036 1926 2175 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)
----------------------------------------------
1:1687 2:1041 3:6 4:21 5:2926 6:47
7:1 8:1346 9:1 11:1 12:1804 13:354
14:2047 15:38 16:6 17:257 18:74 20:55
23:2754 24:2554 25:4 27:2453 31:2024 32:100
35:36 36:874 37:3030 38:1767 39:279 40:122
41:3186 42:821 43:2059 44:149 45:8415 46:3311
47:260 49:1359 50:1112 51:330 52:1018 54:281
55:709 56:6 57:47 58:1764 59:1070 60:530
61:2196 62:1969 63:1845 64:5000 65:2202 66:4840
67:2775 68:1176 69:3555 70:1369 71:649 72:2623
74:2724 75:1294 76:558 77:1801 78:1826 79:2373
80:1826 81:1481 82:1134 83:914 84:1131 85:2284
86:557 87:1538 88:1046 89:2548 90:214 91:6585
92:1434 93:2472 94:2471 95:3294 96:946 97:343
98:959 99:780 100:86 101:1183 102:633 103:21476
104:3552 105:270 106:780 107:1762 108:695 109:3632
110:1719 111:2050 112:1533 113:1387 114:1238 115:1733
116:1761 117:1914 118:2140 119:1651 120:1050 121:1049
122:2242 123:1774 124:1493 125:2016 128:1328 129:833
130:539 131:1818 132:818 133:221 134:1099 135:252
136:592 137:781 138:2065 139:886 140:599 141:893
142:799 143:1079 144:896 145:276 146:1296 147:830
148:1691 149:1102 150:780 151:1013 152:1090 153:338
154:4084 155:910 156:1620 157:1019 158:658 159:1946
160:1601 161:938 162:2970 163:832 164:1249 165:1608
166:476 167:1418 168:3293 169:890 170:4202 171:607
172:1653 173:2234 174:1045 175:977 176:2367 177:4105
178:2549 179:1377 180:2164 181:2379 182:2721 183:1086
184:2250 185:15267 186:3636 187:2482 188:2957 189:2012
190:8206 191:1447 192:10053 193:6729 194:5480 195:4144
196:3117 197:1592 198:5955 199:5968 200:7119 201:5112
202:10427 203:10208 204:4547 205:3074 206:3247 207:3232
208:3932 209:4280 210:3942 211:2045 212:3120 213:2955
214:1116 215:55 216:5872 217:2223 218:890 219:602
220:1887 221:975 222:978 223:1380
End of report
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