[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 4 18:04:03 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 05 Oct, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 775762
Prefixes after maximum aggregation (per Origin AS): 297902
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 373665
Total ASes present in the Internet Routing Table: 65737
Prefixes per ASN: 11.80
Origin-only ASes present in the Internet Routing Table: 56544
Origin ASes announcing only one prefix: 24250
Transit ASes present in the Internet Routing Table: 9193
Transit-only ASes present in the Internet Routing Table: 274
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: 28
Number of instances of unregistered ASNs: 36
Number of 32-bit ASNs allocated by the RIRs: 28938
Number of 32-bit ASNs visible in the Routing Table: 23673
Prefixes from 32-bit ASNs in the Routing Table: 108164
Number of bogon 32-bit ASNs visible in the Routing Table: 26
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 354
Number of addresses announced to Internet: 2837147776
Equivalent to 169 /8s, 27 /16s and 112 /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: 99.4
Total number of prefixes smaller than registry allocations: 258239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 208891
Total APNIC prefixes after maximum aggregation: 62374
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 203429
Unique aggregates announced from the APNIC address blocks: 85058
APNIC Region origin ASes present in the Internet Routing Table: 10102
APNIC Prefixes per ASN: 20.14
APNIC Region origin ASes announcing only one prefix: 2803
APNIC Region transit ASes present in the Internet Routing Table: 1498
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5104
Number of APNIC addresses announced to Internet: 767379072
Equivalent to 45 /8s, 189 /16s and 70 /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: 228287
Total ARIN prefixes after maximum aggregation: 106572
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 226575
Unique aggregates announced from the ARIN address blocks: 107903
ARIN Region origin ASes present in the Internet Routing Table: 18609
ARIN Prefixes per ASN: 12.18
ARIN Region origin ASes announcing only one prefix: 6902
ARIN Region transit ASes present in the Internet Routing Table: 1915
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: 2948
Number of ARIN addresses announced to Internet: 1068060544
Equivalent to 63 /8s, 169 /16s and 79 /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: 216767
Total RIPE prefixes after maximum aggregation: 101499
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 212920
Unique aggregates announced from the RIPE address blocks: 125969
RIPE Region origin ASes present in the Internet Routing Table: 26460
RIPE Prefixes per ASN: 8.05
RIPE Region origin ASes announcing only one prefix: 11708
RIPE Region transit ASes present in the Internet Routing Table: 3730
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: 8508
Number of RIPE addresses announced to Internet: 721641344
Equivalent to 43 /8s, 3 /16s and 95 /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: 100239
Total LACNIC prefixes after maximum aggregation: 23100
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 101455
Unique aggregates announced from the LACNIC address blocks: 44848
LACNIC Region origin ASes present in the Internet Routing Table: 8942
LACNIC Prefixes per ASN: 11.35
LACNIC Region origin ASes announcing only one prefix: 2366
LACNIC Region transit ASes present in the Internet Routing Table: 1672
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 42
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6495
Number of LACNIC addresses announced to Internet: 173840128
Equivalent to 10 /8s, 92 /16s and 151 /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: 21549
Total AfriNIC prefixes after maximum aggregation: 4336
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 31029
Unique aggregates announced from the AfriNIC address blocks: 9578
AfriNIC Region origin ASes present in the Internet Routing Table: 1334
AfriNIC Prefixes per ASN: 23.26
AfriNIC Region origin ASes announcing only one prefix: 471
AfriNIC Region transit ASes present in the Internet Routing Table: 256
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: 618
Number of AfriNIC addresses announced to Internet: 105913600
Equivalent to 6 /8s, 80 /16s and 29 /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 4997 618 593 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3243 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3065 1762 114 VNPT-AS-VN VNPT Corp, VN
9829 2735 1493 546 BSNL-NIB National Internet Backbone, IN
7713 2628 801 475 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2606 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2548 11121 763 KIXS-AS-KR Korea Telecom, KR
9498 2187 432 207 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 442 197 TATACOMM-AS TATA Communications formerl
9394 2060 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 4058 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3655 238 687 CABLEONE - CABLE ONE, INC., US
22773 3470 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3465 1324 93 SHAW - Shaw Communications Inc., CA
16509 3183 7138 1534 AMAZON-02 - Amazon.com, Inc., US
16625 2807 1476 2016 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2215 352 143 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2150 2770 524 CHARTER-20115 - Charter Communications,
18566 2078 405 104 MEGAPATH5-US - MegaPath Corporation, US
5650 2061 3073 1454 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 5563 1615 142 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 3041 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2750 482 1934 AKAMAI-ASN1, US
31334 2645 484 13 KABELDEUTSCHLAND-AS, DE
12389 2398 2231 689 ROSTELECOM-AS, RU
9121 2213 1692 18 TTNET, TR
34984 2157 350 539 TELLCOM-AS, TR
9009 1825 197 1005 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 6231 3349 587 Uninet S.A. de C.V., MX
10620 3359 534 459 Telmex Colombia S.A., CO
11830 2695 370 54 Instituto Costarricense de Electricidad
6503 1633 378 405 Axtel, S.A.B. de C.V., MX
7303 1477 1027 278 Telecom Argentina S.A., AR
28573 1171 2232 193 CLARO S.A., BR
6147 1092 379 40 Telefonica del Peru S.A.A., PE
13999 1068 488 250 Mega Cable, S.A. de C.V., MX
3816 1062 546 124 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 931 110 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 1188 394 24 LINKdotNET-AS, EG
36992 983 1535 73 ETISALAT-MISR, EG
24835 969 610 24 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 649 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 528 68 11 ORANGE-COTE-IVOIRE, CI
15399 415 45 10 WANANCHI-, KE
37342 402 32 1 MOVITEL, MZ
23889 365 231 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 6231 3349 587 Uninet S.A. de C.V., MX
12479 5563 1615 142 UNI2-AS, ES
7545 4997 618 593 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4058 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3655 238 687 CABLEONE - CABLE ONE, INC., US
22773 3470 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3465 1324 93 SHAW - Shaw Communications Inc., CA
10620 3359 534 459 Telmex Colombia S.A., CO
7552 3243 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 5563 5421 UNI2-AS, ES
7545 4997 4404 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4058 4031 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
6327 3465 3372 SHAW - Shaw Communications Inc., CA
22773 3470 3314 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3243 3217 VIETEL-AS-AP Viettel Group, VN
8551 3041 2995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3655 2968 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
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
496313 UNALLOCATED 161.170.122.0/24 22773 ASN-CXA-ALL-CCI-22773-RDC - Co
496313 UNALLOCATED 161.170.123.0/24 22773 ASN-CXA-ALL-CCI-22773-RDC - Co
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
41.67.192.0/18 15964 CAMNET-AS, CM
41.67.192.0/24 15964 CAMNET-AS, CM
41.67.200.0/24 15964 CAMNET-AS, CM
41.67.201.0/24 15964 CAMNET-AS, CM
41.67.202.0/24 15964 CAMNET-AS, CM
41.67.203.0/24 15964 CAMNET-AS, CM
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 /11:100 /12:291
/13:574 /14:1148 /15:1922 /16:13222 /17:8096 /18:13959
/19:25671 /20:40397 /21:47340 /22:97053 /23:78360 /24:446466
/25:1105 /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 4527 5563 UNI2-AS, ES
6327 3252 3465 SHAW - Shaw Communications Inc., CA
7155 3147 4058 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2859 3655 CABLEONE - CABLE ONE, INC., US
22773 2696 3470 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2501 2645 KABELDEUTSCHLAND-AS, DE
8551 2500 3041 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2042 2695 Instituto Costarricense de Electricidad y Telec
18566 1973 2078 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)
----------------------------------------------
1:1593 2:1108 3:6 4:22 5:3020 6:49
7:1 8:1361 9:1 12:1798 13:422 14:2129
15:46 16:7 17:271 18:77 20:54 23:2943
24:2588 25:4 27:2474 31:2757 32:108 35:37
36:921 37:2995 38:1810 39:299 40:125 41:3396
42:644 43:2092 44:174 45:11283 46:3336 47:266
49:1457 50:1106 51:347 52:1063 54:260 55:683
56:6 57:48 58:2030 59:1123 60:606 61:2220
62:2047 63:1865 64:5013 65:2266 66:4785 67:2731
68:1217 69:3584 70:1392 71:673 72:2709 74:2684
75:1288 76:596 77:2564 78:2005 79:2320 80:1807
81:1530 82:1181 83:925 84:1176 85:2363 86:553
87:1596 88:1140 89:2576 90:233 91:6617 92:1432
93:2460 94:2603 95:3688 96:957 97:339 98:955
99:832 100:84 101:1094 102:669 103:22300 104:3635
105:296 106:827 107:1804 108:682 109:3544 110:1785
111:1999 112:1551 113:1401 114:1292 115:1808 116:1771
117:1958 118:2170 119:1658 120:1089 121:1055 122:2316
123:1851 124:1532 125:2016 128:1378 129:866 130:547
131:1828 132:762 133:227 134:1103 135:260 136:605
137:810 138:2110 139:958 140:651 141:898 142:793
143:1105 144:895 145:285 146:1423 147:886 148:1840
149:1005 150:828 151:1262 152:1407 153:360 154:4419
155:889 156:2650 157:1063 158:699 159:1936 160:1622
161:976 162:2997 163:852 164:1296 165:1186 166:523
167:1445 168:3549 169:485 170:4204 171:694 172:1738
173:2302 174:1035 175:996 176:2506 177:4073 178:2758
179:1431 180:2141 181:2371 182:2806 183:1155 184:2278
185:15436 186:3771 187:2538 188:3402 189:2080 190:8281
191:1471 192:10043 193:6768 194:5531 195:4203 196:3140
197:1810 198:6024 199:5942 200:7188 201:5203 202:10454
203:10244 204:4585 205:3081 206:3225 207:3266 208:3931
209:4305 210:3923 211:2045 212:3286 213:2964 214:1146
215:54 216:5870 217:2240 218:885 219:606 220:1925
221:972 222:1014 223:1392
End of report
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