[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Mayo 3 15:03:30 -03 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 en lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
Routing Table Report 04:00 +10GMT Sat 04 May, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 749324
Prefixes after maximum aggregation (per Origin AS): 287369
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 360025
Total ASes present in the Internet Routing Table: 64054
Prefixes per ASN: 11.70
Origin-only ASes present in the Internet Routing Table: 55085
Origin ASes announcing only one prefix: 23745
Transit ASes present in the Internet Routing Table: 8969
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: 41
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 25
Number of instances of unregistered ASNs: 29
Number of 32-bit ASNs allocated by the RIRs: 26816
Number of 32-bit ASNs visible in the Routing Table: 21880
Prefixes from 32-bit ASNs in the Routing Table: 96358
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 247
Number of addresses announced to Internet: 2849998464
Equivalent to 169 /8s, 223 /16s and 134 /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: 251361
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 201228
Total APNIC prefixes after maximum aggregation: 58486
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 197671
Unique aggregates announced from the APNIC address blocks: 82489
APNIC Region origin ASes present in the Internet Routing Table: 9671
APNIC Prefixes per ASN: 20.44
APNIC Region origin ASes announcing only one prefix: 2706
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: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4684
Number of APNIC addresses announced to Internet: 773599104
Equivalent to 46 /8s, 28 /16s and 47 /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: 223479
Total ARIN prefixes after maximum aggregation: 104656
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 222695
Unique aggregates announced from the ARIN address blocks: 105382
ARIN Region origin ASes present in the Internet Routing Table: 18450
ARIN Prefixes per ASN: 12.07
ARIN Region origin ASes announcing only one prefix: 6855
ARIN Region transit ASes present in the Internet Routing Table: 1900
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2686
Number of ARIN addresses announced to Internet: 1078406272
Equivalent to 64 /8s, 71 /16s and 44 /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: 206596
Total RIPE prefixes after maximum aggregation: 98079
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 202985
Unique aggregates announced from the RIPE address blocks: 120427
RIPE Region origin ASes present in the Internet Routing Table: 26018
RIPE Prefixes per ASN: 7.80
RIPE Region origin ASes announcing only one prefix: 11553
RIPE Region transit ASes present in the Internet Routing Table: 3722
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: 8065
Number of RIPE addresses announced to Internet: 719061632
Equivalent to 42 /8s, 220 /16s and 2 /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: 96624
Total LACNIC prefixes after maximum aggregation: 21831
LACNIC Deaggregation factor: 4.43
Prefixes being announced from the LACNIC address blocks: 97999
Unique aggregates announced from the LACNIC address blocks: 42441
LACNIC Region origin ASes present in the Internet Routing Table: 8350
LACNIC Prefixes per ASN: 11.74
LACNIC Region origin ASes announcing only one prefix: 2198
LACNIC Region transit ASes present in the Internet Routing Table: 1539
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5896
Number of LACNIC addresses announced to Internet: 173846016
Equivalent to 10 /8s, 92 /16s and 174 /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: 21371
Total AfriNIC prefixes after maximum aggregation: 4297
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 27727
Unique aggregates announced from the AfriNIC address blocks: 9058
AfriNIC Region origin ASes present in the Internet Routing Table: 1270
AfriNIC Prefixes per ASN: 21.83
AfriNIC Region origin ASes announcing only one prefix: 433
AfriNIC Region transit ASes present in the Internet Routing Table: 240
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: 549
Number of AfriNIC addresses announced to Internet: 104825856
Equivalent to 6 /8s, 63 /16s and 132 /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 4735 546 552 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4569 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3150 1307 56 VIETEL-AS-AP Viettel Group, VN
45899 3027 1737 111 VNPT-AS-VN VNPT Corp, VN
9829 2733 1496 551 BSNL-NIB National Internet Backbone, IN
4766 2545 11120 761 KIXS-AS-KR Korea Telecom, KR
9808 2448 8699 27 CMNET-GD Guangdong Mobile Communication
9394 2175 4898 27 CTTNET China TieTong Telecommunications
4755 2132 429 185 TATACOMM-AS TATA Communications formerl
9498 2054 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 3649 238 584 CABLEONE - CABLE ONE, INC., US
6327 3636 1325 93 SHAW - Shaw Communications Inc., CA
22773 3398 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7155 3236 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2596 5494 1130 AMAZON-02 - Amazon.com, Inc., US
16625 2442 1337 1842 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2155 349 205 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2147 2749 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 5430 1629 140 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3225 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2640 520 1908 AKAMAI-ASN1, US
12389 2242 2222 642 ROSTELECOM-AS, RU
34984 2079 343 541 TELLCOM-AS, TR
9121 1668 1692 18 TTNET, TR
13188 1605 100 47 TRIOLAN, UA
9009 1448 151 787 M247, GB
8402 1233 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 5732 3354 602 Uninet S.A. de C.V., MX
10620 3434 535 419 Telmex Colombia S.A., CO
11830 2708 384 34 Instituto Costarricense de Electricidad
7303 1474 1012 253 Telecom Argentina S.A., AR
28573 1361 2234 200 CLARO S.A., BR
6503 1261 433 53 Axtel, S.A.B. de C.V., MX
6147 1199 377 30 Telefonica del Peru S.A.A., PE
3816 1086 523 143 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 964 512 241 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 1179 393 21 LINKdotNET-AS, EG
37611 906 107 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 696 1731 19 TE-AS TE-AS, EG
29571 512 68 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 5732 3354 602 Uninet S.A. de C.V., MX
12479 5430 1629 140 UNI2-AS, ES
7545 4735 546 552 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4569 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3649 238 584 CABLEONE - CABLE ONE, INC., US
6327 3636 1325 93 SHAW - Shaw Communications Inc., CA
10620 3434 535 419 Telmex Colombia S.A., CO
22773 3398 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7155 3236 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
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
4538 4569 4495 ERX-CERNET-BKB China Education and Research Net
7545 4735 4183 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3636 3543 SHAW - Shaw Communications Inc., CA
22773 3398 3241 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7155 3236 3211 VIASAT-SP-BACKBONE - ViaSat,Inc., US
8551 3225 3180 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3150 3094 VIETEL-AS-AP Viettel Group, VN
11492 3649 3065 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
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
/13:570 /14:1131 /15:1907 /16:13322 /17:7970 /18:13900
/19:25647 /20:40217 /21:46333 /22:93436 /23:76231 /24:427307
/25:900 /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 4359 5430 UNI2-AS, ES
6327 3411 3636 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2857 3649 CABLEONE - CABLE ONE, INC., US
8551 2679 3225 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2637 3398 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7155 2602 3236 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11830 2053 2708 Instituto Costarricense de Electricidad y Telec
18566 2002 2107 MEGAPATH5-US - MegaPath Corporation, US
30036 1905 2155 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)
----------------------------------------------
1:1602 2:993 3:6 4:21 5:3157 6:47
7:1 8:1294 9:1 12:1802 13:338 14:1989
15:37 16:4 17:258 18:58 20:51 23:2686
24:2500 25:2 27:2462 31:1973 32:100 35:36
36:853 37:3030 38:1734 39:297 40:121 41:3284
42:781 43:2007 44:148 45:7425 46:3260 47:257
49:1364 50:1107 51:322 52:1012 54:282 55:702
56:6 57:44 58:1711 59:1062 60:499 61:2126
62:2184 63:1831 64:4963 65:2228 66:4835 67:2776
68:1157 69:3524 70:1349 71:622 72:2627 74:2748
75:993 76:555 77:1773 78:1810 79:2276 80:1808
81:1493 82:1126 83:953 84:1135 85:2281 86:523
87:1551 88:1052 89:2629 90:216 91:6569 92:1384
93:2481 94:2485 95:3248 96:943 97:343 98:960
99:678 100:87 101:919 102:553 103:21044 104:3553
105:257 106:782 107:1785 108:699 109:3721 110:1658
111:1977 112:1490 113:1402 114:1139 115:1691 116:1749
117:1906 118:2077 119:1629 120:1020 121:1040 122:2350
123:1651 124:1472 125:1952 128:1246 129:826 130:536
131:1811 132:771 133:222 134:1092 135:241 136:574
137:753 138:2063 139:877 140:645 141:880 142:792
143:1041 144:893 145:492 146:1262 147:841 148:1709
149:924 150:788 151:1013 152:1061 153:335 154:2910
155:919 156:1633 157:975 158:658 159:1952 160:1607
161:929 162:2751 163:812 164:1194 165:1589 166:435
167:1410 168:3271 169:874 170:4105 171:583 172:1583
173:2200 174:1042 175:923 176:2330 177:4211 178:2540
179:1399 180:2059 181:2409 182:2694 183:1091 184:2054
185:15073 186:3674 187:2487 188:2957 189:1968 190:8223
191:1629 192:10066 193:6673 194:5433 195:4118 196:3090
197:1777 198:5888 199:5971 200:7074 201:5106 202:10414
203:10078 204:4553 205:3039 206:3237 207:3234 208:3947
209:4239 210:3915 211:2011 212:3116 213:2958 214:1109
215:55 216:5926 217:2235 218:878 219:587 220:1856
221:969 222:987 223:1363
End of report
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