[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 13 18:03:01 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
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 14 Apr, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 694221
Prefixes after maximum aggregation (per Origin AS): 268062
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 333993
Total ASes present in the Internet Routing Table: 60376
Prefixes per ASN: 11.50
Origin-only ASes present in the Internet Routing Table: 52151
Origin ASes announcing only one prefix: 22835
Transit ASes present in the Internet Routing Table: 8225
Transit-only ASes present in the Internet Routing Table: 268
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 46
Number of instances of unregistered ASNs: 46
Number of 32-bit ASNs allocated by the RIRs: 22190
Number of 32-bit ASNs visible in the Routing Table: 17842
Prefixes from 32-bit ASNs in the Routing Table: 74177
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 367
Number of addresses announced to Internet: 2862806274
Equivalent to 170 /8s, 162 /16s and 245 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.9
Total number of prefixes smaller than registry allocations: 231118
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 190229
Total APNIC prefixes after maximum aggregation: 53961
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 189163
Unique aggregates announced from the APNIC address blocks: 77142
APNIC Region origin ASes present in the Internet Routing Table: 8713
APNIC Prefixes per ASN: 21.71
APNIC Region origin ASes announcing only one prefix: 2428
APNIC Region transit ASes present in the Internet Routing Table: 1303
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3675
Number of APNIC addresses announced to Internet: 767084034
Equivalent to 45 /8s, 184 /16s and 198 /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: 206423
Total ARIN prefixes after maximum aggregation: 98887
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 206893
Unique aggregates announced from the ARIN address blocks: 97703
ARIN Region origin ASes present in the Internet Routing Table: 18135
ARIN Prefixes per ASN: 11.41
ARIN Region origin ASes announcing only one prefix: 6704
ARIN Region transit ASes present in the Internet Routing Table: 1794
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2335
Number of ARIN addresses announced to Internet: 1109026464
Equivalent to 66 /8s, 26 /16s and 102 /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: 189340
Total RIPE prefixes after maximum aggregation: 91435
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 185690
Unique aggregates announced from the RIPE address blocks: 110508
RIPE Region origin ASes present in the Internet Routing Table: 25094
RIPE Prefixes per ASN: 7.40
RIPE Region origin ASes announcing only one prefix: 11401
RIPE Region transit ASes present in the Internet Routing Table: 3486
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6884
Number of RIPE addresses announced to Internet: 716174976
Equivalent to 42 /8s, 175 /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: 89451
Total LACNIC prefixes after maximum aggregation: 19714
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 90842
Unique aggregates announced from the LACNIC address blocks: 40741
LACNIC Region origin ASes present in the Internet Routing Table: 7008
LACNIC Prefixes per ASN: 12.96
LACNIC Region origin ASes announcing only one prefix: 1926
LACNIC Region transit ASes present in the Internet Routing Table: 1311
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4541
Number of LACNIC addresses announced to Internet: 172652768
Equivalent to 10 /8s, 74 /16s and 120 /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: 18730
Total AfriNIC prefixes after maximum aggregation: 4023
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 21266
Unique aggregates announced from the AfriNIC address blocks: 7607
AfriNIC Region origin ASes present in the Internet Routing Table: 1132
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 375
AfriNIC Region transit ASes present in the Internet Routing Table: 227
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 407
Number of AfriNIC addresses announced to Internet: 97447936
Equivalent to 5 /8s, 206 /16s and 240 /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 5407 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4378 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2854 11131 783 KIXS-AS-KR Korea Telecom, KR
9829 2815 1499 544 BSNL-NIB National Internet Backbone, IN
7552 2725 1155 69 VIETEL-AS-AP Viettel Group, VN
9394 2635 4923 29 CTTNET China TieTong Telecommunications
45899 2586 1574 161 VNPT-AS-VN VNPT Corp, VN
17974 2330 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2171 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2091 417 215 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 3365 1323 85 SHAW - Shaw Communications Inc., CA
22773 3287 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2093 2490 448 CHARTER-NET-HKY-NC - Charter Communicat
16509 2054 4413 636 AMAZON-02 - Amazon.com, Inc., US
30036 1952 338 186 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1922 5070 606 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
11492 1800 227 546 CABLEONE - CABLE ONE, INC., US
16625 1750 856 1248 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1707 20205 1255 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
12479 4036 1512 488 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2695 742 1980 AKAMAI-ASN1, US
8551 2126 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2029 1859 706 ROSTELECOM-AS, RU
34984 1977 333 490 TELLCOM-AS, TR
9121 1968 1692 19 TTNET, TR
13188 1608 100 47 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1226 544 14 CORBINA-AS OJSC "Vimpelcom", RU
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 4345 3387 574 Uninet S.A. de C.V., MX
10620 3570 539 270 Telmex Colombia S.A., CO
11830 2641 369 85 Instituto Costarricense de Electricidad
6503 1626 437 53 Axtel, S.A.B. de C.V., MX
7303 1510 1024 192 Telecom Argentina S.A., AR
28573 1037 2254 176 CLARO S.A., BR
3816 1005 504 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 996 377 31 Telefonica del Peru S.A.A., PE
11172 928 126 85 Alestra, S. de R.L. de C.V., MX
18881 908 1074 29 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 1144 396 44 LINKdotNET-AS, EG
37611 824 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 701 1412 41 ETISALAT-MISR, EG
8452 643 1730 18 TE-AS TE-AS, EG
24835 638 850 15 RAYA-AS, EG
29571 472 68 12 ORANGE-COTE-IVOIRE, CI
37492 451 376 81 ORANGE-, TN
15399 362 35 7 WANANCHI-, KE
37342 361 32 1 MOVITEL, MZ
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 5407 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4378 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4345 3387 574 Uninet S.A. de C.V., MX
12479 4036 1512 488 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3570 539 270 Telmex Colombia S.A., CO
6327 3365 1323 85 SHAW - Shaw Communications Inc., CA
22773 3287 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2854 11131 783 KIXS-AS-KR Korea Telecom, KR
9829 2815 1499 544 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
7545 4378 3947 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4345 3771 Uninet S.A. de C.V., MX
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4036 3548 UNI2-AS, ES
10620 3570 3300 Telmex Colombia S.A., CO
6327 3365 3280 SHAW - Shaw Communications Inc., CA
22773 3287 3137 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2725 2656 VIETEL-AS-AP Viettel Group, VN
9394 2635 2606 CTTNET China TieTong Telecommunications Corpora
11830 2641 2556 Instituto Costarricense de Electricidad y Telec
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
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU
64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.14.0/23 10247 NETLINE, ZA
14.192.48.0/24 327815 XNET, NA
14.192.50.0/23 10247 NETLINE, ZA
14.192.58.0/23 10247 NETLINE, ZA
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -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 /8:15 /9:12 /10:37 /11:100 /12:288
/13:564 /14:1097 /15:1902 /16:13397 /17:7836 /18:13669
/19:25227 /20:39361 /21:45193 /22:86301 /23:70047 /24:386928
/25:849 /26:607 /27:662 /28:35 /29:20 /30:17
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3153 3365 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2772 4036 UNI2-AS, ES
22773 2540 3287 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US
11830 1989 2641 Instituto Costarricense de Electricidad y Telec
30036 1703 1952 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1599 3570 Telmex Colombia S.A., CO
8551 1589 2126 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1558 1800 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1592 2:825 4:19 5:2869 6:59 7:1
8:1122 12:1876 13:183 14:1746 15:30 16:3
17:200 18:68 20:47 21:4 23:2549 24:2153
25:2 27:2269 31:1971 32:87 35:27 36:505
37:2757 38:1449 39:253 40:118 41:3104 42:606
43:1938 44:104 45:4100 46:3070 47:204 49:1297
50:1048 51:304 52:993 54:372 55:5 56:12
57:42 58:1532 59:1011 60:430 61:2139 62:1815
63:1803 64:4758 65:2221 66:4587 67:2351 68:1146
69:3192 70:1149 71:560 72:2093 74:2718 75:411
76:429 77:1549 78:1699 79:1929 80:1478 81:1429
82:1080 83:770 84:1040 85:2050 86:580 87:1318
88:933 89:2309 90:208 91:6310 92:1171 93:2390
94:2370 95:2781 96:659 97:357 98:943 99:133
100:81 101:1259 102:40 103:17406 104:3250 105:228
106:654 107:1763 108:711 109:2699 110:1597 111:1780
112:1267 113:1337 114:1121 115:1637 116:1641 117:1705
118:2158 119:1664 120:965 121:1057 122:2451 123:1810
124:1450 125:1891 128:979 129:638 130:449 131:1574
132:677 133:196 134:1015 135:226 136:455 137:498
138:1908 139:593 140:424 141:688 142:782 143:975
144:810 145:459 146:1178 147:766 148:1560 149:701
150:720 151:1048 152:762 153:312 154:1029 155:754
156:870 157:784 158:629 159:1667 160:923 161:747
162:2579 163:531 164:1057 165:1412 166:425 167:1403
168:3051 169:806 170:3687 171:428 172:1040 173:1946
174:887 175:750 176:1851 177:3975 178:2418 179:1218
180:2247 181:2218 182:2386 183:1138 184:919 185:13255
186:3581 187:2381 188:2764 189:2026 190:8121 191:1438
192:9829 193:5888 194:4795 195:3952 196:2505 197:1424
198:5538 199:5864 200:7392 201:5013 202:10371 203:10177
204:4520 205:2878 206:3075 207:3199 208:3979 209:3937
210:4035 211:2111 212:3017 213:2725 214:950 215:60
216:5841 217:2130 218:908 219:619 220:1748 221:995
222:1039 223:1244
End of report
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