[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 26 18:03:58 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 Jul, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 762538
Prefixes after maximum aggregation (per Origin AS): 294776
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 368584
Total ASes present in the Internet Routing Table: 65002
Prefixes per ASN: 11.73
Origin-only ASes present in the Internet Routing Table: 55882
Origin ASes announcing only one prefix: 23956
Transit ASes present in the Internet Routing Table: 9120
Transit-only ASes present in the Internet Routing Table: 282
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: 24
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 28019
Number of 32-bit ASNs visible in the Routing Table: 22875
Prefixes from 32-bit ASNs in the Routing Table: 103520
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 236
Number of addresses announced to Internet: 2842092800
Equivalent to 169 /8s, 102 /16s and 229 /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: 99.3
Total number of prefixes smaller than registry allocations: 253604
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 205999
Total APNIC prefixes after maximum aggregation: 61645
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 201357
Unique aggregates announced from the APNIC address blocks: 84412
APNIC Region origin ASes present in the Internet Routing Table: 9928
APNIC Prefixes per ASN: 20.28
APNIC Region origin ASes announcing only one prefix: 2741
APNIC Region transit ASes present in the Internet Routing Table: 1490
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4925
Number of APNIC addresses announced to Internet: 770811392
Equivalent to 45 /8s, 241 /16s and 166 /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: 226807
Total ARIN prefixes after maximum aggregation: 106000
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 225724
Unique aggregates announced from the ARIN address blocks: 107079
ARIN Region origin ASes present in the Internet Routing Table: 18529
ARIN Prefixes per ASN: 12.18
ARIN Region origin ASes announcing only one prefix: 6860
ARIN Region transit ASes present in the Internet Routing Table: 1915
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2825
Number of ARIN addresses announced to Internet: 1070904448
Equivalent to 63 /8s, 212 /16s and 180 /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: 210755
Total RIPE prefixes after maximum aggregation: 100036
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 207001
Unique aggregates announced from the RIPE address blocks: 123449
RIPE Region origin ASes present in the Internet Routing Table: 26286
RIPE Prefixes per ASN: 7.87
RIPE Region origin ASes announcing only one prefix: 11623
RIPE Region transit ASes present in the Internet Routing Table: 3752
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8331
Number of RIPE addresses announced to Internet: 720794240
Equivalent to 42 /8s, 246 /16s and 114 /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: 98293
Total LACNIC prefixes after maximum aggregation: 22726
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 99562
Unique aggregates announced from the LACNIC address blocks: 43931
LACNIC Region origin ASes present in the Internet Routing Table: 8657
LACNIC Prefixes per ASN: 11.50
LACNIC Region origin ASes announcing only one prefix: 2275
LACNIC Region transit ASes present in the Internet Routing Table: 1595
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6209
Number of LACNIC addresses announced to Internet: 173525248
Equivalent to 10 /8s, 87 /16s and 201 /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: 20659
Total AfriNIC prefixes after maximum aggregation: 4349
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 28658
Unique aggregates announced from the AfriNIC address blocks: 9501
AfriNIC Region origin ASes present in the Internet Routing Table: 1305
AfriNIC Prefixes per ASN: 21.96
AfriNIC Region origin ASes announcing only one prefix: 457
AfriNIC Region transit ASes present in the Internet Routing Table: 253
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 585
Number of AfriNIC addresses announced to Internet: 105820416
Equivalent to 6 /8s, 78 /16s and 177 /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 4862 591 567 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3178 1459 31 VIETEL-AS-AP Viettel Group, VN
45899 3053 1764 110 VNPT-AS-VN VNPT Corp, VN
9808 2750 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2694 1489 562 BSNL-NIB National Internet Backbone, IN
4766 2542 11119 761 KIXS-AS-KR Korea Telecom, KR
7713 2226 670 591 TELKOMNET-AS-AP PT Telekomunikasi Indon
4755 2158 429 190 TATACOMM-AS TATA Communications formerl
9498 2130 430 200 BBIL-AP BHARTI Airtel Ltd., IN
9394 2072 4898 24 CTTNET China TieTong Telecommunications
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 3681 240 615 CABLEONE - CABLE ONE, INC., US
6327 3564 1324 90 SHAW - Shaw Communications Inc., CA
22773 3445 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3044 6390 1430 AMAZON-02 - Amazon.com, Inc., US
16625 2627 1380 1908 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2163 347 245 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2763 524 CHARTER-20115 - Charter Communications,
18566 2094 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2077 3073 1452 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 5507 1629 141 UNI2-AS, ES
39891 3780 219 19 ALJAWWALSTC-AS, SA
8551 3326 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2696 506 1920 AKAMAI-ASN1, US
12389 2358 2230 661 ROSTELECOM-AS, RU
34984 2115 346 547 TELLCOM-AS, TR
9009 1658 178 896 M247, GB
9121 1609 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
61317 1411 147 527 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 6258 3376 592 Uninet S.A. de C.V., MX
10620 3396 536 428 Telmex Colombia S.A., CO
11830 2688 370 54 Instituto Costarricense de Electricidad
6503 1624 391 419 Axtel, S.A.B. de C.V., MX
7303 1474 1022 281 Telecom Argentina S.A., AR
28573 1152 2227 205 CLARO S.A., BR
6147 1096 377 31 Telefonica del Peru S.A.A., PE
3816 1045 526 118 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 985 480 248 Mega Cable, S.A. de C.V., MX
11172 934 112 60 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 1183 393 21 LINKdotNET-AS, EG
24835 886 634 22 RAYA-AS, EG
36903 843 424 112 MT-MPLS, MA
36992 819 1532 87 ETISALAT-MISR, EG
8452 674 1859 20 TE-AS TE-AS, EG
29571 520 68 11 ORANGE-COTE-IVOIRE, CI
37492 482 470 57 ORANGE-, TN
37342 414 32 1 MOVITEL, MZ
15399 384 45 11 WANANCHI-, KE
23889 358 231 15 MauritiusTelecom, MU
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 6258 3376 592 Uninet S.A. de C.V., MX
12479 5507 1629 141 UNI2-AS, ES
7545 4862 591 567 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 219 19 ALJAWWALSTC-AS, SA
11492 3681 240 615 CABLEONE - CABLE ONE, INC., US
6327 3564 1324 90 SHAW - Shaw Communications Inc., CA
22773 3445 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3396 536 428 Telmex Colombia S.A., CO
8551 3326 379 46 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 5507 5366 UNI2-AS, ES
7545 4862 4295 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 3761 ALJAWWALSTC-AS, SA
6327 3564 3474 SHAW - Shaw Communications Inc., CA
22773 3445 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3326 3280 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3178 3147 VIETEL-AS-AP Viettel Group, VN
11492 3681 3066 CABLEONE - CABLE ONE, INC., US
10620 3396 2968 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
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
64511 DOCUMENT 66.154.208.0/21 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.216.0/23 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.218.0/24 32522 MULTNOMAH-ESD - Multnomah Educ
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
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
36.255.24.0/24 40676 AS40676 - Psychz Networks, US
36.255.25.0/24 40676 AS40676 - Psychz Networks, US
36.255.26.0/24 40676 AS40676 - Psychz Networks, US
36.255.27.0/24 40676 AS40676 - Psychz Networks, US
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -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 /10:38 /11:100 /12:294
/13:569 /14:1130 /15:1900 /16:13257 /17:8030 /18:13913
/19:25827 /20:40388 /21:47231 /22:95528 /23:77194 /24:436220
/25:898 /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 4452 5507 UNI2-AS, ES
6327 3353 3564 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3780 ALJAWWALSTC-AS, SA
11492 2885 3681 CABLEONE - CABLE ONE, INC., US
8551 2779 3326 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2677 3445 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2036 2688 Instituto Costarricense de Electricidad y Telec
18566 1989 2094 MEGAPATH5-US - MegaPath Corporation, US
30036 1914 2163 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)
----------------------------------------------
1:1713 2:1071 3:6 4:21 5:3086 6:47
7:1 8:1340 9:1 12:1804 13:388 14:2078
15:41 16:7 17:259 18:80 20:56 23:2827
24:2588 25:4 27:2440 31:2012 32:106 35:38
36:883 37:3103 38:1796 39:294 40:121 41:3194
42:828 43:2076 44:157 45:9145 46:3362 47:265
49:1363 50:1105 51:337 52:1010 54:273 55:676
56:6 57:47 58:1746 59:1096 60:558 61:2179
62:1970 63:1854 64:5011 65:2227 66:4823 67:2770
68:1177 69:3577 70:1384 71:659 72:2652 74:2726
75:1295 76:571 77:1802 78:1869 79:2368 80:1840
81:1497 82:1142 83:945 84:1148 85:2307 86:547
87:1537 88:1047 89:2554 90:212 91:6595 92:1442
93:2472 94:2489 95:3333 96:948 97:340 98:962
99:806 100:88 101:1186 102:589 103:21776 104:3626
105:278 106:805 107:1783 108:696 109:3790 110:1731
111:2015 112:1535 113:1399 114:1277 115:1729 116:1756
117:1948 118:2183 119:1650 120:1056 121:1063 122:2281
123:1796 124:1502 125:2028 128:1365 129:848 130:549
131:1824 132:791 133:221 134:1087 135:251 136:589
137:789 138:2095 139:896 140:614 141:890 142:781
143:1083 144:877 145:276 146:1301 147:838 148:1756
149:1001 150:784 151:1015 152:1101 153:341 154:4416
155:892 156:1755 157:1052 158:690 159:1947 160:1601
161:957 162:2974 163:829 164:1249 165:1171 166:519
167:1423 168:3483 169:480 170:4207 171:614 172:1689
173:2220 174:1040 175:989 176:2444 177:4062 178:2564
179:1394 180:2144 181:2347 182:2754 183:1106 184:2281
185:15400 186:3664 187:2510 188:2992 189:2014 190:8205
191:1461 192:10070 193:6760 194:5524 195:4178 196:3060
197:1717 198:5937 199:5978 200:7144 201:5133 202:10403
203:10244 204:4549 205:3063 206:3225 207:3256 208:3949
209:4292 210:3936 211:2027 212:3133 213:2964 214:1133
215:55 216:5911 217:2233 218:883 219:600 220:1921
221:970 222:976 223:1396
End of report
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