[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 6 18:03:06 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 07 Jul, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 704783
Prefixes after maximum aggregation (per Origin AS): 270812
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 338899
Total ASes present in the Internet Routing Table: 61158
Prefixes per ASN: 11.52
Origin-only ASes present in the Internet Routing Table: 52832
Origin ASes announcing only one prefix: 23031
Transit ASes present in the Internet Routing Table: 8326
Transit-only ASes present in the Internet Routing Table: 275
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 38
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 58
Number of instances of unregistered ASNs: 62
Number of 32-bit ASNs allocated by the RIRs: 23201
Number of 32-bit ASNs visible in the Routing Table: 18695
Prefixes from 32-bit ASNs in the Routing Table: 78406
Number of bogon 32-bit ASNs visible in the Routing Table: 23
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 271
Number of addresses announced to Internet: 2859095363
Equivalent to 170 /8s, 106 /16s and 85 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
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: 235229
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 192058
Total APNIC prefixes after maximum aggregation: 54723
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 190609
Unique aggregates announced from the APNIC address blocks: 78232
APNIC Region origin ASes present in the Internet Routing Table: 8931
APNIC Prefixes per ASN: 21.34
APNIC Region origin ASes announcing only one prefix: 2523
APNIC Region transit ASes present in the Internet Routing Table: 1338
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3898
Number of APNIC addresses announced to Internet: 768180738
Equivalent to 45 /8s, 201 /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: 209516
Total ARIN prefixes after maximum aggregation: 99769
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209831
Unique aggregates announced from the ARIN address blocks: 99691
ARIN Region origin ASes present in the Internet Routing Table: 18195
ARIN Prefixes per ASN: 11.53
ARIN Region origin ASes announcing only one prefix: 6728
ARIN Region transit ASes present in the Internet Routing Table: 1806
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: 2374
Number of ARIN addresses announced to Internet: 1103021728
Equivalent to 65 /8s, 190 /16s and 198 /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: 192989
Total RIPE prefixes after maximum aggregation: 92133
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 189192
Unique aggregates announced from the RIPE address blocks: 112187
RIPE Region origin ASes present in the Internet Routing Table: 25262
RIPE Prefixes per ASN: 7.49
RIPE Region origin ASes announcing only one prefix: 11379
RIPE Region transit ASes present in the Internet Routing Table: 3496
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7146
Number of RIPE addresses announced to Internet: 716014976
Equivalent to 42 /8s, 173 /16s and 133 /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: 91266
Total LACNIC prefixes after maximum aggregation: 20116
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 92679
Unique aggregates announced from the LACNIC address blocks: 40775
LACNIC Region origin ASes present in the Internet Routing Table: 7301
LACNIC Prefixes per ASN: 12.69
LACNIC Region origin ASes announcing only one prefix: 2012
LACNIC Region transit ASes present in the Internet Routing Table: 1355
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4841
Number of LACNIC addresses announced to Internet: 172321824
Equivalent to 10 /8s, 69 /16s and 108 /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: 18895
Total AfriNIC prefixes after maximum aggregation: 4021
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 22201
Unique aggregates announced from the AfriNIC address blocks: 7773
AfriNIC Region origin ASes present in the Internet Routing Table: 1165
AfriNIC Prefixes per ASN: 19.06
AfriNIC Region origin ASes announcing only one prefix: 389
AfriNIC Region transit ASes present in the Internet Routing Table: 232
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 436
Number of AfriNIC addresses announced to Internet: 99110400
Equivalent to 5 /8s, 232 /16s and 78 /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 4692 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4341 466 458 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2897 1153 77 VIETEL-AS-AP Viettel Group, VN
4766 2842 11134 759 KIXS-AS-KR Korea Telecom, KR
9829 2813 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2639 1633 114 VNPT-AS-VN VNPT Corp, VN
9394 2542 4907 31 CTTNET China TieTong Telecommunications
17974 2259 930 70 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2241 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2111 417 205 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 3420 1324 84 SHAW - Shaw Communications Inc., CA
22773 3291 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2391 241 473 CABLEONE - CABLE ONE, INC., US
16509 2222 4721 734 AMAZON-02 - Amazon.com, Inc., US
18566 2169 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2110 2579 473 CHARTER-NET-HKY-NC - Charter Communicat
209 2037 5070 611 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 2000 343 161 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1951 978 1387 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1751 20203 1272 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 4458 1607 120 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2609 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2546 627 1875 AKAMAI-ASN1, US
12389 2014 1877 708 ROSTELECOM-AS, RU
34984 2014 335 497 TELLCOM-AS, TR
9121 1887 1692 19 TTNET, TR
13188 1601 100 43 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 4999 3307 583 Uninet S.A. de C.V., MX
10620 3565 542 251 Telmex Colombia S.A., CO
11830 2655 369 78 Instituto Costarricense de Electricidad
6503 1666 443 60 Axtel, S.A.B. de C.V., MX
7303 1506 1026 190 Telecom Argentina S.A., AR
28573 1036 2247 183 CLARO S.A., BR
3816 1008 505 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 932 377 31 Telefonica del Peru S.A.A., PE
11172 927 126 85 Alestra, S. de R.L. de C.V., MX
18881 913 1078 30 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 1157 396 48 LINKdotNET-AS, EG
37611 881 107 9 Afrihost, ZA
36903 768 386 135 MT-MPLS, MA
36992 750 1411 39 ETISALAT-MISR, EG
8452 605 1730 18 TE-AS TE-AS, EG
24835 572 802 18 RAYA-AS, EG
37492 472 470 57 ORANGE-, TN
29571 454 68 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
15399 374 39 8 WANANCHI-, KE
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 4999 3307 583 Uninet S.A. de C.V., MX
4538 4692 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4458 1607 120 UNI2-AS, ES
7545 4341 466 458 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3565 542 251 Telmex Colombia S.A., CO
6327 3420 1324 84 SHAW - Shaw Communications Inc., CA
22773 3291 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2897 1153 77 VIETEL-AS-AP Viettel Group, VN
4766 2842 11134 759 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 4692 4618 ERX-CERNET-BKB China Education and Research Net
12479 4458 4338 UNI2-AS, ES
7545 4341 3883 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3420 3336 SHAW - Shaw Communications Inc., CA
10620 3565 3314 Telmex Colombia S.A., CO
22773 3291 3143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2897 2820 VIETEL-AS-AP Viettel Group, VN
11830 2655 2577 Instituto Costarricense de Electricidad y Telec
8551 2609 2566 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
65544 DOCUMENT 103.197.121.0/24 65542 UNKNOWN
4259905537 PRIVATE 103.250.48.0/24 132917 YELLOWPAGESGROUP-AS-AP Yellow
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
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
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
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
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 /8:14 /9:11 /10:37 /11:99 /12:290
/13:568 /14:1097 /15:1895 /16:13357 /17:7931 /18:13762
/19:25283 /20:39373 /21:45607 /22:87636 /23:71053 /24:394662
/25:794 /26:558 /27:627 /28:35 /29:20 /30:18
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3207 3420 SHAW - Shaw Communications Inc., CA
12479 3205 4458 UNI2-AS, ES
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2551 3291 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2071 2609 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2062 2169 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2655 Instituto Costarricense de Electricidad y Telec
11492 1914 2391 CABLEONE - CABLE ONE, INC., US
30036 1752 2000 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1612 3565 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1608 2:844 4:18 5:2813 6:41 7:1
8:1121 12:1871 13:201 14:1756 15:30 16:3
17:188 18:54 20:49 23:2641 24:2217 25:2
27:2436 31:2028 32:92 35:27 36:501 37:2780
38:1461 39:253 40:121 41:3068 42:679 43:1917
44:120 45:4958 46:3049 47:202 49:1332 50:1048
51:316 52:1069 54:371 55:5 56:12 57:39
58:1600 59:988 60:403 61:2105 62:1859 63:1790
64:5032 65:2199 66:4659 67:2437 68:1167 69:3228
70:1159 71:572 72:2113 74:2707 75:422 76:457
77:1546 78:1716 79:1682 80:1521 81:1379 82:1079
83:792 84:1067 85:2011 86:565 87:1321 88:932
89:2346 90:212 91:6409 92:1241 93:2369 94:2392
95:2899 96:755 97:357 98:946 99:133 100:85
101:1223 102:130 103:18144 104:3555 105:211 106:671
107:1779 108:698 109:3379 110:1604 111:1772 112:1303
113:1281 114:1130 115:1662 116:1647 117:1757 118:2200
119:1660 120:993 121:1056 122:2468 123:1783 124:1446
125:1911 128:1086 129:673 130:458 131:1622 132:699
133:195 134:1015 135:225 136:501 137:564 138:1987
139:652 140:465 141:727 142:799 143:1003 144:803
145:482 146:1197 147:720 148:1638 149:754 150:737
151:1100 152:792 153:317 154:1265 155:771 156:1133
157:803 158:653 159:1742 160:1194 161:784 162:2589
163:593 164:1080 165:1507 166:450 167:1302 168:3099
169:816 170:3814 171:470 172:1080 173:1982 174:907
175:771 176:1987 177:4042 178:2535 179:1230 180:2175
181:2325 182:2367 183:1226 184:1032 185:13772 186:3634
187:2387 188:2848 189:2057 190:8137 191:1393 192:9822
193:5997 194:4866 195:3980 196:2595 197:1586 198:5529
199:5895 200:7325 201:4983 202:10241 203:10234 204:4583
205:2900 206:3097 207:3162 208:3986 209:3965 210:3883
211:1978 212:3015 213:2770 214:984 215:57 216:6029
217:2119 218:856 219:576 220:1778 221:984 222:970
223:1297
End of report
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