[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 30 18:04:17 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 31 Aug, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 768323
Prefixes after maximum aggregation (per Origin AS): 295832
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 370810
Total ASes present in the Internet Routing Table: 65326
Prefixes per ASN: 11.76
Origin-only ASes present in the Internet Routing Table: 56226
Origin ASes announcing only one prefix: 24072
Transit ASes present in the Internet Routing Table: 9100
Transit-only ASes present in the Internet Routing Table: 269
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 45
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 27
Number of instances of unregistered ASNs: 27
Number of 32-bit ASNs allocated by the RIRs: 28444
Number of 32-bit ASNs visible in the Routing Table: 23268
Prefixes from 32-bit ASNs in the Routing Table: 105688
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: 288
Number of addresses announced to Internet: 2834690304
Equivalent to 168 /8s, 245 /16s and 241 /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: 257215
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 206838
Total APNIC prefixes after maximum aggregation: 61926
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 201585
Unique aggregates announced from the APNIC address blocks: 84621
APNIC Region origin ASes present in the Internet Routing Table: 10000
APNIC Prefixes per ASN: 20.16
APNIC Region origin ASes announcing only one prefix: 2776
APNIC Region transit ASes present in the Internet Routing Table: 1483
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5015
Number of APNIC addresses announced to Internet: 766769408
Equivalent to 45 /8s, 179 /16s and 249 /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: 226731
Total ARIN prefixes after maximum aggregation: 106033
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 225420
Unique aggregates announced from the ARIN address blocks: 107479
ARIN Region origin ASes present in the Internet Routing Table: 18534
ARIN Prefixes per ASN: 12.16
ARIN Region origin ASes announcing only one prefix: 6858
ARIN Region transit ASes present in the Internet Routing Table: 1891
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: 2875
Number of ARIN addresses announced to Internet: 1067004160
Equivalent to 63 /8s, 153 /16s and 49 /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: 214997
Total RIPE prefixes after maximum aggregation: 100530
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 211061
Unique aggregates announced from the RIPE address blocks: 124404
RIPE Region origin ASes present in the Internet Routing Table: 26388
RIPE Prefixes per ASN: 8.00
RIPE Region origin ASes announcing only one prefix: 11647
RIPE Region transit ASes present in the Internet Routing Table: 3733
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8422
Number of RIPE addresses announced to Internet: 721204480
Equivalent to 42 /8s, 252 /16s and 181 /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: 98760
Total LACNIC prefixes after maximum aggregation: 22976
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 100007
Unique aggregates announced from the LACNIC address blocks: 44406
LACNIC Region origin ASes present in the Internet Routing Table: 8802
LACNIC Prefixes per ASN: 11.36
LACNIC Region origin ASes announcing only one prefix: 2327
LACNIC Region transit ASes present in the Internet Routing Table: 1620
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 45
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6356
Number of LACNIC addresses announced to Internet: 173565184
Equivalent to 10 /8s, 88 /16s and 101 /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: 20969
Total AfriNIC prefixes after maximum aggregation: 4345
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 29962
Unique aggregates announced from the AfriNIC address blocks: 9637
AfriNIC Region origin ASes present in the Internet Routing Table: 1317
AfriNIC Prefixes per ASN: 22.75
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: 4.4
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 600
Number of AfriNIC addresses announced to Internet: 105899264
Equivalent to 6 /8s, 79 /16s and 229 /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 4947 599 579 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3248 1459 32 VIETEL-AS-AP Viettel Group, VN
45899 3065 1768 114 VNPT-AS-VN VNPT Corp, VN
9829 2736 1494 547 BSNL-NIB National Internet Backbone, IN
9808 2694 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2546 11119 763 KIXS-AS-KR Korea Telecom, KR
7713 2240 680 596 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 2163 434 209 BBIL-AP BHARTI Airtel Ltd., IN
4755 2153 442 192 TATACOMM-AS TATA Communications formerl
9394 2076 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 3652 238 680 CABLEONE - CABLE ONE, INC., US
6327 3477 1324 91 SHAW - Shaw Communications Inc., CA
22773 3454 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3078 6452 1466 AMAZON-02 - Amazon.com, Inc., US
16625 2736 1438 1973 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2187 349 175 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2145 2762 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 5515 1613 143 UNI2-AS, ES
39891 3780 219 19 ALJAWWALSTC-AS, SA
8551 3311 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2726 497 1927 AKAMAI-ASN1, US
31334 2602 484 13 KABELDEUTSCHLAND-AS, DE
12389 2392 2233 691 ROSTELECOM-AS, RU
34984 2127 346 541 TELLCOM-AS, TR
9121 2019 1692 18 TTNET, TR
9009 1736 187 936 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 6254 3360 597 Uninet S.A. de C.V., MX
10620 3365 534 450 Telmex Colombia S.A., CO
11830 2692 370 54 Instituto Costarricense de Electricidad
6503 1611 378 415 Axtel, S.A.B. de C.V., MX
7303 1480 1024 274 Telecom Argentina S.A., AR
28573 1164 2228 203 CLARO S.A., BR
6147 1105 380 35 Telefonica del Peru S.A.A., PE
3816 1051 534 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 1000 482 248 Mega Cable, S.A. de C.V., MX
11172 936 110 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 1120 393 23 LINKdotNET-AS, EG
36992 956 1535 73 ETISALAT-MISR, EG
24835 888 590 21 RAYA-AS, EG
36903 843 424 112 MT-MPLS, MA
8452 672 1859 20 TE-AS TE-AS, EG
29571 527 68 11 ORANGE-COTE-IVOIRE, CI
15399 414 45 11 WANANCHI-, KE
37492 372 470 57 ORANGE-, TN
37342 370 32 1 MOVITEL, MZ
15706 362 32 6 Sudatel, SD
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 6254 3360 597 Uninet S.A. de C.V., MX
12479 5515 1613 143 UNI2-AS, ES
7545 4947 599 579 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 3652 238 680 CABLEONE - CABLE ONE, INC., US
6327 3477 1324 91 SHAW - Shaw Communications Inc., CA
22773 3454 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3365 534 450 Telmex Colombia S.A., CO
8551 3311 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 5515 5372 UNI2-AS, ES
7545 4947 4368 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4065 4040 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 3761 ALJAWWALSTC-AS, SA
6327 3477 3386 SHAW - Shaw Communications Inc., CA
22773 3454 3298 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3311 3265 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3248 3216 VIETEL-AS-AP Viettel Group, VN
11492 3652 2972 CABLEONE - CABLE ONE, INC., US
45899 3065 2951 VNPT-AS-VN VNPT Corp, VN
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
41.76.136.0/22 37500 -Reserved AS-, ZZ
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
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 /11:98 /12:288
/13:573 /14:1142 /15:1915 /16:13259 /17:7983 /18:13735
/19:25575 /20:40168 /21:47329 /22:95972 /23:77628 /24:441773
/25:827 /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 4475 5515 UNI2-AS, ES
6327 3265 3477 SHAW - Shaw Communications Inc., CA
7155 3156 4065 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3780 ALJAWWALSTC-AS, SA
11492 2865 3652 CABLEONE - CABLE ONE, INC., US
8551 2764 3311 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2684 3454 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2490 2602 KABELDEUTSCHLAND-AS, DE
11830 2040 2692 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)
----------------------------------------------
1:1744 2:1092 3:6 4:22 5:3026 6:49
7:1 8:1359 9:1 12:1796 13:398 14:2112
15:42 16:7 17:269 18:81 20:56 23:2895
24:2589 25:2 27:2461 31:2711 32:106 35:37
36:906 37:3123 38:1808 39:302 40:121 41:3390
42:820 43:2071 44:173 45:10156 46:3359 47:271
49:1442 50:1103 51:341 52:1041 54:263 55:684
56:6 57:47 58:2054 59:1109 60:580 61:2181
62:1989 63:1848 64:5011 65:2234 66:4816 67:2738
68:1196 69:3573 70:1386 71:670 72:2666 74:2700
75:1291 76:596 77:2524 78:1963 79:2365 80:1816
81:1501 82:1137 83:961 84:1164 85:2356 86:562
87:1562 88:1060 89:2544 90:231 91:6597 92:1444
93:2485 94:2571 95:3639 96:954 97:340 98:951
99:829 100:88 101:944 102:639 103:21930 104:3635
105:281 106:816 107:1790 108:689 109:3751 110:1763
111:2021 112:1536 113:1408 114:1251 115:1722 116:1743
117:1962 118:2214 119:1642 120:1056 121:1039 122:2296
123:1838 124:1529 125:2020 128:1301 129:849 130:536
131:1819 132:747 133:226 134:1079 135:255 136:598
137:794 138:2073 139:939 140:567 141:879 142:773
143:1071 144:893 145:277 146:1334 147:857 148:1785
149:1021 150:820 151:1026 152:1370 153:362 154:4413
155:889 156:2254 157:1050 158:693 159:1934 160:1577
161:950 162:2990 163:827 164:1246 165:1188 166:515
167:1416 168:3467 169:474 170:4186 171:651 172:1711
173:2226 174:1039 175:989 176:2436 177:4043 178:2729
179:1473 180:2146 181:2385 182:2772 183:1115 184:2276
185:15447 186:3720 187:2572 188:3465 189:2068 190:8241
191:1438 192:10105 193:6717 194:5511 195:4193 196:3094
197:1728 198:5938 199:5957 200:7151 201:5173 202:10268
203:10241 204:4532 205:3058 206:3171 207:3231 208:3945
209:4292 210:3893 211:2019 212:3249 213:2955 214:1135
215:54 216:5890 217:2212 218:868 219:599 220:1929
221:972 222:981 223:1364
End of report
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