Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 20 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
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 21 Apr, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 696141
Prefixes after maximum aggregation (per Origin AS): 268430
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 335330
Total ASes present in the Internet Routing Table: 60451
Prefixes per ASN: 11.52
Origin-only ASes present in the Internet Routing Table: 52213
Origin ASes announcing only one prefix: 22858
Transit ASes present in the Internet Routing Table: 8238
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: 49
Number of instances of unregistered ASNs: 49
Number of 32-bit ASNs allocated by the RIRs: 22275
Number of 32-bit ASNs visible in the Routing Table: 17911
Prefixes from 32-bit ASNs in the Routing Table: 74601
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: 340
Number of addresses announced to Internet: 2863051010
Equivalent to 170 /8s, 166 /16s and 177 /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: 231650
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 190615
Total APNIC prefixes after maximum aggregation: 54054
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 189511
Unique aggregates announced from the APNIC address blocks: 77395
APNIC Region origin ASes present in the Internet Routing Table: 8729
APNIC Prefixes per ASN: 21.71
APNIC Region origin ASes announcing only one prefix: 2431
APNIC Region transit ASes present in the Internet Routing Table: 1311
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: 3687
Number of APNIC addresses announced to Internet: 767197698
Equivalent to 45 /8s, 186 /16s and 130 /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: 207023
Total ARIN prefixes after maximum aggregation: 98996
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 207967
Unique aggregates announced from the ARIN address blocks: 98338
ARIN Region origin ASes present in the Internet Routing Table: 18149
ARIN Prefixes per ASN: 11.46
ARIN Region origin ASes announcing only one prefix: 6715
ARIN Region transit ASes present in the Internet Routing Table: 1792
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2336
Number of ARIN addresses announced to Internet: 1109260960
Equivalent to 66 /8s, 29 /16s and 250 /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: 189988
Total RIPE prefixes after maximum aggregation: 91532
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 185878
Unique aggregates announced from the RIPE address blocks: 110829
RIPE Region origin ASes present in the Internet Routing Table: 25117
RIPE Prefixes per ASN: 7.40
RIPE Region origin ASes announcing only one prefix: 11405
RIPE Region transit ASes present in the Internet Routing Table: 3505
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: 6911
Number of RIPE addresses announced to Internet: 715628160
Equivalent to 42 /8s, 167 /16s and 158 /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: 89797
Total LACNIC prefixes after maximum aggregation: 19767
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 91186
Unique aggregates announced from the LACNIC address blocks: 40836
LACNIC Region origin ASes present in the Internet Routing Table: 7029
LACNIC Prefixes per ASN: 12.97
LACNIC Region origin ASes announcing only one prefix: 1934
LACNIC Region transit ASes present in the Internet Routing Table: 1304
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: 4569
Number of LACNIC addresses announced to Internet: 172626400
Equivalent to 10 /8s, 74 /16s and 17 /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: 18667
Total AfriNIC prefixes after maximum aggregation: 4036
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 21259
Unique aggregates announced from the AfriNIC address blocks: 7635
AfriNIC Region origin ASes present in the Internet Routing Table: 1132
AfriNIC Prefixes per ASN: 18.78
AfriNIC Region origin ASes announcing only one prefix: 372
AfriNIC Region transit ASes present in the Internet Routing Table: 229
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 408
Number of AfriNIC addresses announced to Internet: 97927680
Equivalent to 5 /8s, 214 /16s and 66 /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 5404 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4380 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2897 11134 789 KIXS-AS-KR Korea Telecom, KR
9829 2810 1499 545 BSNL-NIB National Internet Backbone, IN
7552 2735 1155 69 VIETEL-AS-AP Viettel Group, VN
9394 2641 4922 26 CTTNET China TieTong Telecommunications
45899 2574 1572 158 VNPT-AS-VN VNPT Corp, VN
17974 2336 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2189 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2093 417 214 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 3386 1323 85 SHAW - Shaw Communications Inc., CA
22773 3288 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2092 2489 452 CHARTER-NET-HKY-NC - Charter Communicat
16509 2057 4445 640 AMAZON-02 - Amazon.com, Inc., US
209 1965 5070 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1961 339 182 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1809 228 548 CABLEONE - CABLE ONE, INC., US
16625 1762 862 1257 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1697 20212 1254 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 4073 1514 507 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2672 731 1962 AKAMAI-ASN1, US
8551 2134 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2032 1860 705 ROSTELECOM-AS, RU
34984 2016 334 485 TELLCOM-AS, TR
9121 1974 1692 19 TTNET, TR
13188 1610 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1233 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 4443 3387 586 Uninet S.A. de C.V., MX
10620 3585 541 254 Telmex Colombia S.A., CO
11830 2642 369 86 Instituto Costarricense de Electricidad
6503 1626 437 53 Axtel, S.A.B. de C.V., MX
7303 1518 1024 191 Telecom Argentina S.A., AR
28573 1038 2255 176 CLARO S.A., BR
3816 1008 505 122 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1005 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 1176 396 45 LINKdotNET-AS, EG
37611 829 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 672 1412 41 ETISALAT-MISR, EG
8452 641 1730 18 TE-AS TE-AS, EG
24835 597 850 15 RAYA-AS, EG
29571 474 68 12 ORANGE-COTE-IVOIRE, CI
37492 451 376 81 ORANGE-, TN
15399 361 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 5404 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4443 3387 586 Uninet S.A. de C.V., MX
7545 4380 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4073 1514 507 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3585 541 254 Telmex Colombia S.A., CO
6327 3386 1323 85 SHAW - Shaw Communications Inc., CA
22773 3288 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2897 11134 789 KIXS-AS-KR Korea Telecom, KR
9829 2810 1499 545 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 4380 3950 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4443 3857 Uninet S.A. de C.V., MX
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4073 3566 UNI2-AS, ES
10620 3585 3331 Telmex Colombia S.A., CO
6327 3386 3301 SHAW - Shaw Communications Inc., CA
22773 3288 3139 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2735 2666 VIETEL-AS-AP Viettel Group, VN
9394 2641 2615 CTTNET China TieTong Telecommunications Corpora
11830 2642 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
/13:565 /14:1096 /15:1900 /16:13401 /17:7827 /18:13644
/19:25153 /20:39337 /21:45283 /22:86502 /23:70144 /24:388600
/25:848 /26:604 /27:655 /28:36 /29:20 /30:17
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3174 3386 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2811 4073 UNI2-AS, ES
22773 2542 3288 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US
11830 1990 2642 Instituto Costarricense de Electricidad y Telec
30036 1712 1961 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1601 3585 Telmex Colombia S.A., CO
8551 1597 2134 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1560 1809 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 2:830 4:19 5:2794 6:65 7:1
8:1117 12:1864 13:184 14:1738 15:30 16:3
17:203 18:68 20:47 21:4 23:2607 24:2161
25:2 27:2269 31:1974 32:88 35:27 36:510
37:2768 38:1448 39:256 40:119 41:3064 42:574
43:1951 44:105 45:4214 46:3061 47:204 49:1323
50:1051 51:304 52:991 54:372 55:5 56:12
57:42 58:1537 59:993 60:430 61:2151 62:1816
63:1795 64:4894 65:2220 66:4591 67:2361 68:1146
69:3192 70:1147 71:561 72:2095 74:2715 75:411
76:435 77:1553 78:1703 79:1925 80:1482 81:1404
82:1077 83:775 84:1042 85:2060 86:580 87:1313
88:935 89:2320 90:207 91:6321 92:1177 93:2378
94:2395 95:2777 96:662 97:357 98:946 99:133
100:81 101:1277 102:40 103:17543 104:3593 105:231
106:660 107:1812 108:709 109:2707 110:1598 111:1775
112:1277 113:1338 114:1123 115:1637 116:1645 117:1718
118:2156 119:1668 120:970 121:1056 122:2450 123:1808
124:1450 125:1893 128:994 129:648 130:453 131:1587
132:672 133:196 134:1016 135:228 136:458 137:495
138:1933 139:595 140:423 141:697 142:808 143:965
144:812 145:457 146:1178 147:781 148:1584 149:707
150:737 151:1056 152:763 153:311 154:1020 155:760
156:926 157:785 158:638 159:1670 160:937 161:750
162:2581 163:527 164:1054 165:1571 166:432 167:1403
168:3067 169:806 170:3685 171:429 172:1080 173:1964
174:885 175:754 176:1865 177:3999 178:2431 179:1219
180:2254 181:2208 182:2390 183:1141 184:918 185:13330
186:3617 187:2381 188:2741 189:2027 190:8090 191:1448
192:9842 193:5881 194:4774 195:3959 196:2524 197:1427
198:5539 199:5883 200:7391 201:5020 202:10406 203:10181
204:4534 205:2875 206:3088 207:3200 208:3978 209:3947
210:4039 211:2115 212:3023 213:2724 214:950 215:62
216:5912 217:2140 218:908 219:619 220:1756 221:995
222:1037 223:1246
End of report
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