[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 22 18:03:17 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 23 Nov, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 783901
Prefixes after maximum aggregation (per Origin AS): 298712
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 377892
Total ASes present in the Internet Routing Table: 66249
Prefixes per ASN: 11.83
Origin-only ASes present in the Internet Routing Table: 56919
Origin ASes announcing only one prefix: 24291
Transit ASes present in the Internet Routing Table: 9330
Transit-only ASes present in the Internet Routing Table: 282
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 36
Max AS path prepend of ASN ( 44555) 27
Prefixes from unregistered ASNs in the Routing Table: 31
Number of instances of unregistered ASNs: 32
Number of 32-bit ASNs allocated by the RIRs: 29643
Number of 32-bit ASNs visible in the Routing Table: 24262
Prefixes from 32-bit ASNs in the Routing Table: 110463
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 301
Number of addresses announced to Internet: 2839032192
Equivalent to 169 /8s, 56 /16s and 49 /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: 99.4
Total number of prefixes smaller than registry allocations: 261381
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210253
Total APNIC prefixes after maximum aggregation: 61101
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 204406
Unique aggregates announced from the APNIC address blocks: 85009
APNIC Region origin ASes present in the Internet Routing Table: 10190
APNIC Prefixes per ASN: 20.06
APNIC Region origin ASes announcing only one prefix: 2826
APNIC Region transit ASes present in the Internet Routing Table: 1520
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5216
Number of APNIC addresses announced to Internet: 771558016
Equivalent to 45 /8s, 253 /16s and 10 /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: 230534
Total ARIN prefixes after maximum aggregation: 107047
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 227855
Unique aggregates announced from the ARIN address blocks: 109054
ARIN Region origin ASes present in the Internet Routing Table: 18644
ARIN Prefixes per ASN: 12.22
ARIN Region origin ASes announcing only one prefix: 6915
ARIN Region transit ASes present in the Internet Routing Table: 1926
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3017
Number of ARIN addresses announced to Internet: 1068840960
Equivalent to 63 /8s, 181 /16s and 56 /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: 219328
Total RIPE prefixes after maximum aggregation: 102845
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 216181
Unique aggregates announced from the RIPE address blocks: 128262
RIPE Region origin ASes present in the Internet Routing Table: 26655
RIPE Prefixes per ASN: 8.11
RIPE Region origin ASes announcing only one prefix: 11706
RIPE Region transit ASes present in the Internet Routing Table: 3767
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: 8729
Number of RIPE addresses announced to Internet: 719263232
Equivalent to 42 /8s, 223 /16s and 22 /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: 101850
Total LACNIC prefixes after maximum aggregation: 23325
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 103000
Unique aggregates announced from the LACNIC address blocks: 45035
LACNIC Region origin ASes present in the Internet Routing Table: 9117
LACNIC Prefixes per ASN: 11.30
LACNIC Region origin ASes announcing only one prefix: 2369
LACNIC Region transit ASes present in the Internet Routing Table: 1726
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6674
Number of LACNIC addresses announced to Internet: 173857792
Equivalent to 10 /8s, 92 /16s and 220 /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: 21904
Total AfriNIC prefixes after maximum aggregation: 4369
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 32158
Unique aggregates announced from the AfriNIC address blocks: 10276
AfriNIC Region origin ASes present in the Internet Routing Table: 1344
AfriNIC Prefixes per ASN: 23.93
AfriNIC Region origin ASes announcing only one prefix: 475
AfriNIC Region transit ASes present in the Internet Routing Table: 268
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 626
Number of AfriNIC addresses announced to Internet: 105194240
Equivalent to 6 /8s, 69 /16s and 35 /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 5136 633 593 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3268 1331 27 VIETEL-AS-AP Viettel Group, VN
45899 3074 1776 116 VNPT-AS-VN VNPT Corp, VN
9829 2823 1498 536 BSNL-NIB National Internet Backbone, IN
7713 2701 798 487 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2624 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2385 11111 668 KIXS-AS-KR Korea Telecom, KR
9498 2208 433 213 BBIL-AP BHARTI Airtel Ltd., IN
4755 2150 442 196 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
7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3800 250 666 CABLEONE - CABLE ONE, INC., US
16509 3714 7401 1649 AMAZON-02 - Amazon.com, Inc., US
22773 3502 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3358 1324 93 SHAW - Shaw Communications Inc., CA
16625 2940 1543 2107 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2261 356 102 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2155 5071 527 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2134 2769 517 CHARTER-20115 - Charter Communications,
18566 2065 405 103 MEGAPATH5-US - MegaPath Corporation, US
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 5688 1635 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3298 484 13 KABELDEUTSCHLAND-AS, DE
8551 2793 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2782 466 1941 AKAMAI-ASN1, US
12389 2452 2235 704 ROSTELECOM-AS, RU
34984 2160 350 539 TELLCOM-AS, TR
9009 1945 209 1064 M247, GB
9121 1935 1691 18 TTNET, TR
13188 1605 100 46 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 6238 3326 618 Uninet S.A. de C.V., MX
10620 3355 532 466 Telmex Colombia S.A., CO
11830 2687 369 63 Instituto Costarricense de Electricidad
6503 1685 323 390 Axtel, S.A.B. de C.V., MX
7303 1480 1026 267 Telecom Argentina S.A., AR
28573 1200 2232 196 CLARO S.A., BR
13999 1119 494 244 Mega Cable, S.A. de C.V., MX
3816 1113 560 137 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1102 380 37 Telefonica del Peru S.A.A., PE
11172 934 110 59 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 1215 393 23 LINKdotNET-AS, EG
36992 1028 1535 73 ETISALAT-MISR, EG
24835 976 594 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 682 1857 19 TE-AS TE-AS, EG
6713 627 1863 34 IAM-AS, MA
29571 558 68 11 ORANGE-COTE-IVOIRE, CI
37342 481 32 1 MOVITEL, MZ
15399 410 45 10 WANANCHI-, KE
23889 366 231 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 6238 3326 618 Uninet S.A. de C.V., MX
12479 5688 1635 135 UNI2-AS, ES
7545 5136 633 593 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3800 250 666 CABLEONE - CABLE ONE, INC., US
16509 3714 7401 1649 AMAZON-02 - Amazon.com, Inc., US
22773 3502 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3358 1324 93 SHAW - Shaw Communications Inc., CA
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 5688 5553 UNI2-AS, ES
4538 4681 4608 ERX-CERNET-BKB China Education and Research Net
7545 5136 4543 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3502 3346 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 3298 3285 KABELDEUTSCHLAND-AS, DE
6327 3358 3265 SHAW - Shaw Communications Inc., CA
7552 3268 3241 VIETEL-AS-AP Viettel Group, VN
11492 3800 3134 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
64501 DOCUMENT 45.174.25.0/24 267817 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
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&
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
23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ
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
31.217.248.0/23 209372 IPMEN, GB
31.217.250.0/23 209372 IPMEN, GB
31.217.252.0/23 209372 IPMEN, GB
31.217.254.0/23 209372 IPMEN, GB
37.77.148.0/23 209372 IPMEN, GB
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 /10:39 /11:100 /12:290
/13:578 /14:1159 /15:1918 /16:13303 /17:8026 /18:13756
/19:25616 /20:40072 /21:47421 /22:97808 /23:79723 /24:452759
/25:1312 /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 4648 5688 UNI2-AS, ES
31334 3152 3298 KABELDEUTSCHLAND-AS, DE
7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3145 3358 SHAW - Shaw Communications Inc., CA
11492 2953 3800 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2722 3502 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2252 2793 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2034 2687 Instituto Costarricense de Electricidad y Telec
8151 2018 6238 Uninet S.A. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1550 2:1125 3:12 4:21 5:3149 6:48
8:1365 9:1 12:1796 13:472 14:2190 15:54
16:9 17:276 18:79 20:56 23:3112 24:2597
25:4 27:2494 31:2785 32:104 35:37 36:928
37:3200 38:1799 39:311 40:133 41:3414 42:849
43:2104 44:188 45:12232 46:3251 47:270 49:1410
50:1135 51:343 52:1107 54:268 55:715 56:6
57:47 58:2047 59:1163 60:663 61:2224 62:2132
63:1913 64:5002 65:2306 66:4811 67:2744 68:1218
69:3598 70:1388 71:671 72:2755 74:2680 75:1421
76:661 77:2553 78:1956 79:2196 80:1810 81:1520
82:1190 83:971 84:1207 85:2457 86:581 87:1625
88:1051 89:2599 90:251 91:7361 92:1462 93:2450
94:2571 95:3672 96:932 97:340 98:957 99:962
100:82 101:1093 102:693 103:22682 104:3599 105:366
106:830 107:1818 108:686 109:3454 110:1818 111:1977
112:1570 113:1380 114:1451 115:1823 116:1818 117:2031
118:2163 119:1689 120:936 121:1036 122:2309 123:1908
124:1536 125:2006 128:1395 129:884 130:565 131:1820
132:769 133:251 134:1160 135:272 136:592 137:856
138:2167 139:964 140:652 141:849 142:807 143:1087
144:935 145:290 146:1455 147:973 148:1885 149:1033
150:839 151:1280 152:1450 153:369 154:4375 155:877
156:2917 157:1064 158:712 159:1963 160:1663 161:1036
162:3021 163:863 164:1290 165:1192 166:536 167:1448
168:3566 169:487 170:4202 171:701 172:1828 173:2293
174:1033 175:996 176:2647 177:4127 178:2729 179:1448
180:2167 181:2392 182:2821 183:1094 184:2287 185:15679
186:3773 187:2531 188:3450 189:2098 190:8319 191:1495
192:10136 193:7056 194:5642 195:4220 196:3263 197:1916
198:6095 199:5931 200:7166 201:5166 202:10425 203:10196
204:4583 205:3078 206:3255 207:3256 208:3986 209:4331
210:3992 211:2001 212:3299 213:2975 214:1165 215:54
216:5837 217:2275 218:905 219:610 220:1980 221:950
222:1019 223:1406
End of report
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