[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 6 18:04:07 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 07 Sep, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 770473
Prefixes after maximum aggregation (per Origin AS): 296709
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 371261
Total ASes present in the Internet Routing Table: 65415
Prefixes per ASN: 11.78
Origin-only ASes present in the Internet Routing Table: 56261
Origin ASes announcing only one prefix: 24079
Transit ASes present in the Internet Routing Table: 9154
Transit-only ASes present in the Internet Routing Table: 269
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 43
Max AS path prepend of ASN ( 19955) 41
Prefixes from unregistered ASNs in the Routing Table: 25
Number of instances of unregistered ASNs: 25
Number of 32-bit ASNs allocated by the RIRs: 28534
Number of 32-bit ASNs visible in the Routing Table: 23329
Prefixes from 32-bit ASNs in the Routing Table: 106198
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 290
Number of addresses announced to Internet: 2836686336
Equivalent to 169 /8s, 20 /16s and 102 /24s
Percentage of available address space announced: 76.6
Percentage of allocated address space announced: 76.6
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: 257262
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 208408
Total APNIC prefixes after maximum aggregation: 62204
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 203158
Unique aggregates announced from the APNIC address blocks: 84758
APNIC Region origin ASes present in the Internet Routing Table: 10041
APNIC Prefixes per ASN: 20.23
APNIC Region origin ASes announcing only one prefix: 2790
APNIC Region transit ASes present in the Internet Routing Table: 1505
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5042
Number of APNIC addresses announced to Internet: 767127552
Equivalent to 45 /8s, 185 /16s and 112 /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: 227493
Total ARIN prefixes after maximum aggregation: 106316
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 226235
Unique aggregates announced from the ARIN address blocks: 107595
ARIN Region origin ASes present in the Internet Routing Table: 18566
ARIN Prefixes per ASN: 12.19
ARIN Region origin ASes announcing only one prefix: 6861
ARIN Region transit ASes present in the Internet Routing Table: 1911
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 43
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2884
Number of ARIN addresses announced to Internet: 1069426304
Equivalent to 63 /8s, 190 /16s and 38 /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: 215319
Total RIPE prefixes after maximum aggregation: 100703
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 211327
Unique aggregates announced from the RIPE address blocks: 124619
RIPE Region origin ASes present in the Internet Routing Table: 26418
RIPE Prefixes per ASN: 8.00
RIPE Region origin ASes announcing only one prefix: 11653
RIPE Region transit ASes present in the Internet Routing Table: 3737
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8451
Number of RIPE addresses announced to Internet: 721233280
Equivalent to 42 /8s, 253 /16s and 37 /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: 98559
Total LACNIC prefixes after maximum aggregation: 23000
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 99769
Unique aggregates announced from the LACNIC address blocks: 44405
LACNIC Region origin ASes present in the Internet Routing Table: 8784
LACNIC Prefixes per ASN: 11.36
LACNIC Region origin ASes announcing only one prefix: 2311
LACNIC Region transit ASes present in the Internet Routing Table: 1628
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6347
Number of LACNIC addresses announced to Internet: 173868032
Equivalent to 10 /8s, 93 /16s and 4 /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: 20668
Total AfriNIC prefixes after maximum aggregation: 4466
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 29694
Unique aggregates announced from the AfriNIC address blocks: 9623
AfriNIC Region origin ASes present in the Internet Routing Table: 1321
AfriNIC Prefixes per ASN: 22.48
AfriNIC Region origin ASes announcing only one prefix: 464
AfriNIC Region transit ASes present in the Internet Routing Table: 257
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: 605
Number of AfriNIC addresses announced to Internet: 104769536
Equivalent to 6 /8s, 62 /16s and 168 /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 4966 599 583 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3245 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3054 1761 113 VNPT-AS-VN VNPT Corp, VN
9829 2733 1494 547 BSNL-NIB National Internet Backbone, IN
9808 2703 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2545 11119 764 KIXS-AS-KR Korea Telecom, KR
7713 2258 685 603 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 2165 435 208 BBIL-AP BHARTI Airtel Ltd., IN
4755 2159 442 195 TATACOMM-AS TATA Communications formerl
9394 2079 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 4065 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3656 238 673 CABLEONE - CABLE ONE, INC., US
6327 3496 1324 94 SHAW - Shaw Communications Inc., CA
22773 3454 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3119 6585 1472 AMAZON-02 - Amazon.com, Inc., US
16625 2766 1457 1992 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2188 349 170 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2146 2764 525 CHARTER-20115 - Charter Communications,
18566 2086 405 105 MEGAPATH5-US - MegaPath Corporation, US
5650 2074 3073 1453 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 5529 1615 141 UNI2-AS, ES
39891 3780 219 19 ALJAWWALSTC-AS, SA
8551 2912 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2744 498 1939 AKAMAI-ASN1, US
31334 2604 484 13 KABELDEUTSCHLAND-AS, DE
12389 2389 2231 685 ROSTELECOM-AS, RU
34984 2132 348 529 TELLCOM-AS, TR
9121 2040 1692 19 TTNET, TR
9009 1766 191 967 M247, GB
13188 1604 100 47 TRIOLAN, 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 6204 3352 610 Uninet S.A. de C.V., MX
10620 3368 534 445 Telmex Colombia S.A., CO
11830 2691 370 54 Instituto Costarricense de Electricidad
6503 1611 378 415 Axtel, S.A.B. de C.V., MX
7303 1479 1027 272 Telecom Argentina S.A., AR
28573 1167 2230 207 CLARO S.A., BR
6147 1103 380 35 Telefonica del Peru S.A.A., PE
3816 1059 538 124 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 1003 482 249 Mega Cable, S.A. de C.V., MX
11172 932 110 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 1121 393 23 LINKdotNET-AS, EG
36992 955 1535 73 ETISALAT-MISR, EG
24835 892 590 21 RAYA-AS, EG
36903 745 374 208 MT-MPLS, MA
8452 659 1857 19 TE-AS TE-AS, EG
29571 529 68 11 ORANGE-COTE-IVOIRE, CI
15399 415 45 11 WANANCHI-, KE
37342 369 32 1 MOVITEL, MZ
15706 362 32 6 Sudatel, SD
23889 359 231 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 6204 3352 610 Uninet S.A. de C.V., MX
12479 5529 1615 141 UNI2-AS, ES
7545 4966 599 583 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4065 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 219 19 ALJAWWALSTC-AS, SA
11492 3656 238 673 CABLEONE - CABLE ONE, INC., US
6327 3496 1324 94 SHAW - Shaw Communications Inc., CA
22773 3454 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3368 534 445 Telmex Colombia S.A., CO
7552 3245 1331 26 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 5529 5388 UNI2-AS, ES
7545 4966 4383 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4065 4040 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 3761 ALJAWWALSTC-AS, SA
6327 3496 3402 SHAW - Shaw Communications Inc., CA
22773 3454 3298 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3245 3219 VIETEL-AS-AP Viettel Group, VN
11492 3656 2983 CABLEONE - CABLE ONE, INC., US
45899 3054 2941 VNPT-AS-VN VNPT Corp, VN
10620 3368 2923 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
68710 UNALLOCATED 45.170.231.0/24 268710 UNKNOWN
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
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&
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
41.76.140.0/22 37500 -Reserved AS-, ZZ
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
41.242.93.0/24 37643 -Reserved AS-, ZZ
43.229.16.0/22 136800 XIAOZHIYUN1-AS-AP ICIDC NETWORK, US
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 /9:12 /10:37 /11:99 /12:290
/13:573 /14:1145 /15:1917 /16:13245 /17:7986 /18:13746
/19:25628 /20:40262 /21:47249 /22:96314 /23:77879 /24:443175
/25:906 /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 4488 5529 UNI2-AS, ES
6327 3282 3496 SHAW - Shaw Communications Inc., CA
7155 3156 4065 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3780 ALJAWWALSTC-AS, SA
11492 2867 3656 CABLEONE - CABLE ONE, INC., US
22773 2684 3454 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2492 2604 KABELDEUTSCHLAND-AS, DE
8551 2365 2912 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2039 2691 Instituto Costarricense de Electricidad y Telec
18566 1981 2086 MEGAPATH5-US - MegaPath Corporation, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1732 2:1098 3:6 4:22 5:3028 6:50
7:1 8:1359 9:1 12:1795 13:398 14:2115
15:42 16:7 17:271 18:81 20:56 23:2912
24:2591 25:4 27:2465 31:2723 32:107 35:37
36:908 37:3125 38:1808 39:303 40:121 41:3371
42:835 43:2089 44:175 45:10235 46:3353 47:269
49:1446 50:1098 51:341 52:1063 54:265 55:686
56:6 57:47 58:2057 59:1115 60:582 61:2224
62:1989 63:1855 64:5031 65:2248 66:4806 67:2747
68:1200 69:3571 70:1386 71:671 72:2679 74:2692
75:1291 76:596 77:2546 78:1972 79:2151 80:1818
81:1505 82:1161 83:963 84:1171 85:2360 86:563
87:1567 88:1088 89:2563 90:230 91:6597 92:1449
93:2475 94:2585 95:3641 96:954 97:340 98:957
99:833 100:88 101:1197 102:651 103:22071 104:3631
105:282 106:815 107:1791 108:691 109:3564 110:1763
111:2021 112:1539 113:1427 114:1282 115:1781 116:1749
117:1971 118:2228 119:1656 120:1065 121:1047 122:2305
123:1860 124:1532 125:2019 128:1345 129:855 130:547
131:1810 132:755 133:224 134:1106 135:255 136:598
137:799 138:2050 139:949 140:635 141:873 142:785
143:1076 144:887 145:281 146:1369 147:856 148:1786
149:1033 150:825 151:1026 152:1375 153:359 154:4363
155:892 156:2230 157:1056 158:696 159:1942 160:1581
161:956 162:2986 163:837 164:1272 165:1157 166:517
167:1441 168:3462 169:472 170:4209 171:665 172:1714
173:2231 174:1040 175:1001 176:2442 177:3972 178:2723
179:1438 180:2142 181:2380 182:2780 183:1155 184:2278
185:15490 186:3714 187:2552 188:3435 189:2045 190:8258
191:1462 192:10087 193:6755 194:5529 195:4194 196:3101
197:1738 198:6019 199:5974 200:7147 201:5149 202:10377
203:10309 204:4567 205:3055 206:3224 207:3285 208:3934
209:4318 210:3930 211:2035 212:3276 213:2947 214:1128
215:54 216:5927 217:2245 218:871 219:601 220:1917
221:973 222:985 223:1379
End of report
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