[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 26 Jan 18:03:07 UTC 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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 27 Jan, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 681768
Prefixes after maximum aggregation (per Origin AS): 264615
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 329600
Total ASes present in the Internet Routing Table: 59686
Prefixes per ASN: 11.42
Origin-only ASes present in the Internet Routing Table: 51539
Origin ASes announcing only one prefix: 22682
Transit ASes present in the Internet Routing Table: 8147
Transit-only ASes present in the Internet Routing Table: 244
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 56
Number of instances of unregistered ASNs: 57
Number of 32-bit ASNs allocated by the RIRs: 21301
Number of 32-bit ASNs visible in the Routing Table: 17091
Prefixes from 32-bit ASNs in the Routing Table: 70682
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 382
Number of addresses announced to Internet: 2864141986
Equivalent to 170 /8s, 183 /16s and 86 /24s
Percentage of available address space announced: 77.4
Percentage of allocated address space announced: 77.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.8
Total number of prefixes smaller than registry allocations: 225073
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 188350
Total APNIC prefixes after maximum aggregation: 53700
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 187417
Unique aggregates announced from the APNIC address blocks: 77419
APNIC Region origin ASes present in the Internet Routing Table: 8612
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 2445
APNIC Region transit ASes present in the Internet Routing Table: 1266
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3505
Number of APNIC addresses announced to Internet: 772118050
Equivalent to 46 /8s, 5 /16s and 150 /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, 131072-137529
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: 203112
Total ARIN prefixes after maximum aggregation: 97653
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 204292
Unique aggregates announced from the ARIN address blocks: 96430
ARIN Region origin ASes present in the Internet Routing Table: 18065
ARIN Prefixes per ASN: 11.31
ARIN Region origin ASes announcing only one prefix: 6688
ARIN Region transit ASes present in the Internet Routing Table: 1793
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2297
Number of ARIN addresses announced to Internet: 1110265632
Equivalent to 66 /8s, 45 /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, 393216-397212
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: 184061
Total RIPE prefixes after maximum aggregation: 89767
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 180043
Unique aggregates announced from the RIPE address blocks: 108365
RIPE Region origin ASes present in the Internet Routing Table: 24847
RIPE Prefixes per ASN: 7.25
RIPE Region origin ASes announcing only one prefix: 11347
RIPE Region transit ASes present in the Internet Routing Table: 3493
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6597
Number of RIPE addresses announced to Internet: 713684608
Equivalent to 42 /8s, 137 /16s and 246 /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
196608-207259
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: 88156
Total LACNIC prefixes after maximum aggregation: 19458
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 89462
Unique aggregates announced from the LACNIC address blocks: 39903
LACNIC Region origin ASes present in the Internet Routing Table: 6782
LACNIC Prefixes per ASN: 13.19
LACNIC Region origin ASes announcing only one prefix: 1841
LACNIC Region transit ASes present in the Internet Routing Table: 1255
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4306
Number of LACNIC addresses announced to Internet: 172245984
Equivalent to 10 /8s, 68 /16s and 67 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 18031
Total AfriNIC prefixes after maximum aggregation: 3994
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 20172
Unique aggregates announced from the AfriNIC address blocks: 7212
AfriNIC Region origin ASes present in the Internet Routing Table: 1111
AfriNIC Prefixes per ASN: 18.16
AfriNIC Region origin ASes announcing only one prefix: 360
AfriNIC Region transit ASes present in the Internet Routing Table: 224
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 386
Number of AfriNIC addresses announced to Internet: 95422720
Equivalent to 5 /8s, 176 /16s and 9 /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
4538 5439 4195 92 ERX-CERNET-BKB China Education and Rese
7545 3802 407 412 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2881 11132 770 KIXS-AS-KR Korea Telecom, KR
9829 2770 1499 540 BSNL-NIB National Internet Backbone, IN
17974 2766 934 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9394 2655 4923 27 CTTNET China TieTong Telecommunications
7552 2582 1157 63 VIETEL-AS-AP Viettel Group, VN
45899 2549 1550 154 VNPT-AS-VN VNPT Corp, VN
9808 2118 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2083 417 209 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 3369 1323 86 SHAW - Shaw Communications Inc., CA
22773 3264 2951 143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2080 2363 436 CHARTER-NET-HKY-NC - Charter Communicat
16509 2009 4163 574 AMAZON-02 - Amazon.com, Inc., US
6389 1957 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
209 1933 5059 619 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1888 333 227 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1724 230 566 CABLEONE - CABLE ONE, INC., US
7018 1677 20167 1247 ATT-INTERNET4 - AT&T Services, Inc., 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
39891 3520 187 21 ALJAWWALSTC-AS, SA
20940 2839 833 2056 AKAMAI-ASN1, US
8551 2235 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12479 2129 1108 216 UNI2-AS, ES
12389 2114 1859 698 ROSTELECOM-AS, RU
34984 2002 332 477 TELLCOM-AS, TR
9121 1939 1691 17 TTNET, TR
13188 1605 100 46 TRIOLAN, UA
8402 1271 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1228 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 3857 3350 577 Uninet S.A. de C.V., MX
10620 3579 540 252 Telmex Colombia S.A., CO
11830 2635 370 66 Instituto Costarricense de Electricidad
6503 1629 437 53 Axtel, S.A.B. de C.V., MX
7303 1502 1024 193 Telecom Argentina S.A., AR
6147 1075 377 27 Telefonica del Peru S.A.A., PE
3816 1014 509 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 1014 2241 189 CLARO S.A., BR
11172 919 126 85 Alestra, S. de R.L. de C.V., MX
18881 904 1065 27 TELEFÔNICA BRASIL S.A, BR
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 1192 398 50 LINKdotNET-AS, EG
37611 786 91 8 Afrihost, ZA
36903 714 358 186 MT-MPLS, MA
36992 667 1379 36 ETISALAT-MISR, EG
8452 531 1730 18 TE-AS TE-AS, EG
24835 478 786 17 RAYA-AS, EG
29571 458 36 13 ORANGE-COTE-IVOIRE, CI
37492 449 367 77 ORANGE-, TN
15399 352 35 7 WANANCHI-, KE
23889 313 103 14 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
4538 5439 4195 92 ERX-CERNET-BKB China Education and Rese
8151 3857 3350 577 Uninet S.A. de C.V., MX
7545 3802 407 412 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3579 540 252 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3369 1323 86 SHAW - Shaw Communications Inc., CA
22773 3264 2951 143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2881 11132 770 KIXS-AS-KR Korea Telecom, KR
20940 2839 833 2056 AKAMAI-ASN1, US
9829 2770 1499 540 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
39891 3520 3499 ALJAWWALSTC-AS, SA
7545 3802 3390 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3579 3327 Telmex Colombia S.A., CO
6327 3369 3283 SHAW - Shaw Communications Inc., CA
8151 3857 3280 Uninet S.A. de C.V., MX
22773 3264 3121 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2766 2689 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9394 2655 2628 CTTNET China TieTong Telecommunications Corpora
11830 2635 2569 Instituto Costarricense de Electricidad y Telec
7552 2582 2519 VIETEL-AS-AP Viettel Group, 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
65249 PRIVATE 5.42.234.0/23 35753 ITC ITC AS number, SA
65249 PRIVATE 5.42.234.0/24 35753 ITC ITC AS number, SA
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65000 PRIVATE 95.179.2.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.3.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.69.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.70.0/24 65001 -Private Use AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.14.0/23 10247 NETLINE, ZA
14.192.50.0/23 10247 NETLINE, ZA
14.192.58.0/23 10247 NETLINE, ZA
23.159.192.0/24 54726 AET - AET Hosting Solutions, Inc., US
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22 133676 PNPL-AS Precious netcom pvt ltd, IN
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 /8:15 /9:12 /10:37 /11:99 /12:279
/13:563 /14:1092 /15:1894 /16:13432 /17:7761 /18:13621
/19:25241 /20:38818 /21:44734 /22:83691 /23:67832 /24:380401
/25:842 /26:605 /27:661 /28:36 /29:20 /30:18
/31:4 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3161 3369 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2527 3264 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1981 2635 Instituto Costarricense de Electricidad y Telec
8551 1699 2235 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1648 1888 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1580 3579 Telmex Colombia S.A., CO
11492 1507 1724 CABLEONE - CABLE ONE, INC., US
9121 1419 1939 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1574 2:837 4:18 5:2644 6:40 8:1090
9:1 12:1853 13:194 14:1756 15:27 16:3
17:184 18:65 20:53 21:3 23:2546 24:1737
25:2 27:2372 31:1948 32:88 35:23 36:479
37:2625 38:1443 39:188 40:101 41:3057 42:539
43:1951 44:94 45:3641 46:2990 47:194 49:1387
50:1041 51:47 52:939 54:353 55:4 56:7
57:42 58:1598 59:1014 60:389 61:2087 62:1823
63:1825 64:4695 65:2229 66:4470 67:2340 68:1177
69:3175 70:1135 71:560 72:2089 74:2625 75:398
76:420 77:1556 78:1629 79:1685 80:1494 81:1405
82:1062 83:780 84:1013 85:1973 86:553 87:1228
88:912 89:2344 90:180 91:6262 92:1161 93:2358
94:2389 95:2712 96:647 97:358 98:925 99:110
100:79 101:1528 102:15 103:16945 104:3267 105:209
106:525 107:1810 108:705 109:2952 110:1593 111:1747
112:1292 113:1388 114:1110 115:1581 116:1629 117:1695
118:2209 119:1679 120:949 121:1049 122:2479 123:1762
124:1466 125:1848 128:1016 129:599 130:440 131:1650
132:603 133:196 134:1002 135:228 136:441 137:476
138:1960 139:563 140:401 141:681 142:777 143:1006
144:801 145:197 146:1150 147:754 148:1474 149:698
150:728 151:981 152:758 153:309 154:984 155:747
156:753 157:762 158:607 159:1632 160:853 161:739
162:2558 163:519 164:976 165:1502 166:398 167:1381
168:3107 169:796 170:3656 171:406 172:1031 173:1903
174:860 175:765 176:1880 177:3932 178:2433 179:1183
180:2237 181:2148 182:2437 183:1092 184:906 185:12221
186:3488 187:2327 188:2631 189:1958 190:8097 191:1353
192:9789 193:5878 194:4761 195:3996 196:2346 197:1377
198:5523 199:5911 200:7271 201:4869 202:10411 203:9969
204:4539 205:2867 206:3016 207:3119 208:4013 209:3912
210:4009 211:2150 212:2969 213:2597 214:899 215:62
216:5861 217:2121 218:900 219:625 220:1728 221:996
222:1056 223:1238
End of report
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