[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Dic 14 16:03:53 -02 2018
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 15 Dec, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 729792
Prefixes after maximum aggregation (per Origin AS): 280875
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 351369
Total ASes present in the Internet Routing Table: 62704
Prefixes per ASN: 11.64
Origin-only ASes present in the Internet Routing Table: 54098
Origin ASes announcing only one prefix: 23512
Transit ASes present in the Internet Routing Table: 8606
Transit-only ASes present in the Internet Routing Table: 257
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 39
Number of instances of unregistered ASNs: 39
Number of 32-bit ASNs allocated by the RIRs: 25220
Number of 32-bit ASNs visible in the Routing Table: 20431
Prefixes from 32-bit ASNs in the Routing Table: 88037
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 283
Number of addresses announced to Internet: 2838283681
Equivalent to 169 /8s, 44 /16s and 197 /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: 99.1
Total number of prefixes smaller than registry allocations: 243329
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 199478
Total APNIC prefixes after maximum aggregation: 56775
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 196626
Unique aggregates announced from the APNIC address blocks: 80923
APNIC Region origin ASes present in the Internet Routing Table: 9308
APNIC Prefixes per ASN: 21.12
APNIC Region origin ASes announcing only one prefix: 2624
APNIC Region transit ASes present in the Internet Routing Table: 1396
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4301
Number of APNIC addresses announced to Internet: 768781696
Equivalent to 45 /8s, 210 /16s and 173 /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: 216291
Total ARIN prefixes after maximum aggregation: 102837
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 215591
Unique aggregates announced from the ARIN address blocks: 103289
ARIN Region origin ASes present in the Internet Routing Table: 18300
ARIN Prefixes per ASN: 11.78
ARIN Region origin ASes announcing only one prefix: 6790
ARIN Region transit ASes present in the Internet Routing Table: 1837
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2521
Number of ARIN addresses announced to Internet: 1077171104
Equivalent to 64 /8s, 52 /16s and 83 /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: 199126
Total RIPE prefixes after maximum aggregation: 95113
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 195494
Unique aggregates announced from the RIPE address blocks: 115857
RIPE Region origin ASes present in the Internet Routing Table: 25706
RIPE Prefixes per ASN: 7.60
RIPE Region origin ASes announcing only one prefix: 11495
RIPE Region transit ASes present in the Internet Routing Table: 3554
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7682
Number of RIPE addresses announced to Internet: 715951232
Equivalent to 42 /8s, 172 /16s and 140 /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: 94830
Total LACNIC prefixes after maximum aggregation: 21899
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 96211
Unique aggregates announced from the LACNIC address blocks: 41976
LACNIC Region origin ASes present in the Internet Routing Table: 7882
LACNIC Prefixes per ASN: 12.21
LACNIC Region origin ASes announcing only one prefix: 2183
LACNIC Region transit ASes present in the Internet Routing Table: 1485
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5427
Number of LACNIC addresses announced to Internet: 173176064
Equivalent to 10 /8s, 82 /16s and 117 /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: 20027
Total AfriNIC prefixes after maximum aggregation: 4219
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 25587
Unique aggregates announced from the AfriNIC address blocks: 9058
AfriNIC Region origin ASes present in the Internet Routing Table: 1229
AfriNIC Prefixes per ASN: 20.82
AfriNIC Region origin ASes announcing only one prefix: 420
AfriNIC Region transit ASes present in the Internet Routing Table: 241
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 500
Number of AfriNIC addresses announced to Internet: 102763264
Equivalent to 6 /8s, 32 /16s and 11 /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 4654 515 521 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4635 4192 74 ERX-CERNET-BKB China Education and Rese
45899 2989 1717 114 VNPT-AS-VN VNPT Corp, VN
7552 2969 1151 89 VIETEL-AS-AP Viettel Group, VN
4766 2824 11130 770 KIXS-AS-KR Korea Telecom, KR
9829 2748 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2480 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2410 4907 31 CTTNET China TieTong Telecommunications
17974 2257 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2142 438 176 TATACOMM-AS TATA Communications formerl
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 3506 1326 91 SHAW - Shaw Communications Inc., CA
11492 3478 224 610 CABLEONE - CABLE ONE, INC., US
22773 3303 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2609 5246 972 AMAZON-02 - Amazon.com, Inc., US
16625 2182 1220 1678 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2150 2752 535 CHARTER-20115 - Charter Communications,
18566 2145 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2090 349 129 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2081 5079 596 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5206 1628 138 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3031 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2606 576 1924 AKAMAI-ASN1, US
12389 2225 2220 624 ROSTELECOM-AS, RU
34984 2032 336 534 TELLCOM-AS, TR
9121 1973 1691 17 TTNET, TR
13188 1604 100 38 TRIOLAN, UA
8402 1294 544 18 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 355 21 UKRTELNET, UA
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 5464 3320 599 Uninet S.A. de C.V., MX
10620 3145 476 898 Telmex Colombia S.A., CO
11830 2678 371 71 Instituto Costarricense de Electricidad
6503 1662 449 54 Axtel, S.A.B. de C.V., MX
7303 1435 961 220 Telecom Argentina S.A., AR
28573 1186 2241 179 CLARO S.A., BR
6147 1120 377 29 Telefonica del Peru S.A.A., PE
3816 1023 510 110 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 943 145 69 Alestra, S. de R.L. de C.V., MX
13999 924 536 267 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 1163 393 24 LINKdotNET-AS, EG
37611 897 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 783 1411 44 ETISALAT-MISR, EG
24835 683 634 21 RAYA-AS, EG
8452 636 1731 19 TE-AS TE-AS, EG
29571 474 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
37342 421 32 1 MOVITEL, MZ
15399 415 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 5464 3320 599 Uninet S.A. de C.V., MX
12479 5206 1628 138 UNI2-AS, ES
7545 4654 515 521 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4635 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3506 1326 91 SHAW - Shaw Communications Inc., CA
11492 3478 224 610 CABLEONE - CABLE ONE, INC., US
22773 3303 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3145 476 898 Telmex Colombia S.A., CO
8551 3031 378 43 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 5206 5068 UNI2-AS, ES
4538 4635 4561 ERX-CERNET-BKB China Education and Research Net
7545 4654 4133 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3506 3415 SHAW - Shaw Communications Inc., CA
22773 3303 3128 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3031 2988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2969 2880 VIETEL-AS-AP Viettel Group, VN
45899 2989 2875 VNPT-AS-VN VNPT Corp, VN
11492 3478 2868 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
65534 PRIVATE 46.46.17.0/24 15638 UTL Ussuriysk, RU
65534 PRIVATE 46.46.32.0/21 15638 UTL Ussuriysk, RU
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 80.93.96.0/21 15638 UTL Ussuriysk, RU
65534 PRIVATE 93.88.216.0/22 15638 UTL Ussuriysk, RU
65534 PRIVATE 93.88.220.0/24 15638 UTL Ussuriysk, RU
65599 UNALLOCATED 103.14.27.0/24 134813 CYBERCOMM-BD Cyber Communicati
4200058511 PRIVATE 103.111.177.0/24 137522 OERL-AS-AP Origin Energy Retai
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 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
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /9:11 /10:36 /11:99 /12:291
/13:568 /14:1123 /15:1908 /16:13344 /17:7885 /18:13872
/19:25505 /20:39537 /21:46055 /22:90911 /23:74341 /24:411929
/25:824 /26:655 /27:634 /28:32 /29:19 /30:9
/31:2 /32:190
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4059 5206 UNI2-AS, ES
6327 3270 3506 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2764 3478 CABLEONE - CABLE ONE, INC., US
22773 2543 3303 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2487 3031 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2040 2145 MEGAPATH5-US - MegaPath Corporation, US
11830 2023 2678 Instituto Costarricense de Electricidad y Telec
30036 1839 2090 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1628 2:882 4:18 5:2741 6:43 7:1
8:1151 12:1880 13:302 14:1881 15:35 16:3
17:206 18:57 20:48 23:2542 24:2418 25:2
27:2549 31:2012 32:92 35:31 36:534 37:2977
38:1586 39:284 40:120 41:3078 42:730 43:1995
44:139 45:6374 46:3059 47:244 49:1325 50:1077
51:318 52:1103 54:363 55:1 56:6 57:41
58:1698 59:1072 60:457 61:2105 62:1941 63:1809
64:5066 65:2180 66:4789 67:2685 68:1154 69:3413
70:1145 71:601 72:2261 74:2725 75:412 76:526
77:1712 78:1713 79:2208 80:1608 81:1416 82:1060
83:822 84:1063 85:2155 86:561 87:1514 88:1007
89:2427 90:210 91:6490 92:1254 93:2352 94:2389
95:3148 96:905 97:347 98:942 99:169 100:88
101:1161 102:313 103:19497 104:3561 105:243 106:890
107:1834 108:705 109:3452 110:1635 111:1851 112:1408
113:1332 114:1142 115:1717 116:1610 117:1894 118:2210
119:1680 120:1126 121:1022 122:2353 123:1619 124:1439
125:1954 128:1207 129:688 130:520 131:1627 132:716
133:193 134:1043 135:232 136:540 137:672 138:1933
139:774 140:573 141:762 142:799 143:1009 144:848
145:503 146:1246 147:780 148:1698 149:776 150:800
151:989 152:920 153:325 154:2291 155:967 156:1632
157:851 158:657 159:1889 160:1483 161:897 162:2669
163:769 164:1126 165:1589 166:454 167:1356 168:3176
169:869 170:3995 171:499 172:1072 173:2133 174:990
175:873 176:2216 177:4059 178:2525 179:1324 180:2092
181:2370 182:2626 183:1334 184:1153 185:14445 186:3678
187:2527 188:2958 189:2075 190:8312 191:1414 192:9982
193:6452 194:5301 195:4033 196:3013 197:1759 198:5684
199:5977 200:7509 201:5000 202:10209 203:10226 204:4618
205:3015 206:3279 207:3271 208:3933 209:4193 210:3917
211:2027 212:3078 213:2813 214:1069 215:53 216:6021
217:2187 218:874 219:579 220:1832 221:999 222:976
223:1409
End of report
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