Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 30 18:03:19 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 31 Mar, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 692170
Prefixes after maximum aggregation (per Origin AS): 267487
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 333579
Total ASes present in the Internet Routing Table: 60264
Prefixes per ASN: 11.49
Origin-only ASes present in the Internet Routing Table: 52065
Origin ASes announcing only one prefix: 22789
Transit ASes present in the Internet Routing Table: 8199
Transit-only ASes present in the Internet Routing Table: 262
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 44
Number of instances of unregistered ASNs: 44
Number of 32-bit ASNs allocated by the RIRs: 22003
Number of 32-bit ASNs visible in the Routing Table: 17722
Prefixes from 32-bit ASNs in the Routing Table: 73797
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 295
Number of addresses announced to Internet: 2857155394
Equivalent to 170 /8s, 76 /16s and 187 /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: 230623
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 189779
Total APNIC prefixes after maximum aggregation: 53876
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 188701
Unique aggregates announced from the APNIC address blocks: 77097
APNIC Region origin ASes present in the Internet Routing Table: 8739
APNIC Prefixes per ASN: 21.59
APNIC Region origin ASes announcing only one prefix: 2464
APNIC Region transit ASes present in the Internet Routing Table: 1287
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3665
Number of APNIC addresses announced to Internet: 767373154
Equivalent to 45 /8s, 189 /16s and 47 /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: 206257
Total ARIN prefixes after maximum aggregation: 98744
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 206949
Unique aggregates announced from the ARIN address blocks: 97769
ARIN Region origin ASes present in the Internet Routing Table: 18130
ARIN Prefixes per ASN: 11.41
ARIN Region origin ASes announcing only one prefix: 6709
ARIN Region transit ASes present in the Internet Routing Table: 1807
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2334
Number of ARIN addresses announced to Internet: 1104557184
Equivalent to 65 /8s, 214 /16s and 52 /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: 188296
Total RIPE prefixes after maximum aggregation: 91199
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 184577
Unique aggregates announced from the RIPE address blocks: 110233
RIPE Region origin ASes present in the Internet Routing Table: 25023
RIPE Prefixes per ASN: 7.38
RIPE Region origin ASes announcing only one prefix: 11348
RIPE Region transit ASes present in the Internet Routing Table: 3489
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6824
Number of RIPE addresses announced to Internet: 715842688
Equivalent to 42 /8s, 170 /16s and 228 /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: 89312
Total LACNIC prefixes after maximum aggregation: 19652
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 90700
Unique aggregates announced from the LACNIC address blocks: 40695
LACNIC Region origin ASes present in the Internet Routing Table: 6968
LACNIC Prefixes per ASN: 13.02
LACNIC Region origin ASes announcing only one prefix: 1898
LACNIC Region transit ASes present in the Internet Routing Table: 1294
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: 4499
Number of LACNIC addresses announced to Internet: 172487904
Equivalent to 10 /8s, 71 /16s and 244 /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: 18480
Total AfriNIC prefixes after maximum aggregation: 3976
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 20948
Unique aggregates announced from the AfriNIC address blocks: 7549
AfriNIC Region origin ASes present in the Internet Routing Table: 1117
AfriNIC Prefixes per ASN: 18.75
AfriNIC Region origin ASes announcing only one prefix: 369
AfriNIC Region transit ASes present in the Internet Routing Table: 228
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 400
Number of AfriNIC addresses announced to Internet: 96509184
Equivalent to 5 /8s, 192 /16s and 157 /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 5416 4192 74 ERX-CERNET-BKB China Education and Rese
7545 3709 410 426 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2849 11131 780 KIXS-AS-KR Korea Telecom, KR
9829 2808 1499 542 BSNL-NIB National Internet Backbone, IN
7552 2674 1158 62 VIETEL-AS-AP Viettel Group, VN
9394 2638 4923 29 CTTNET China TieTong Telecommunications
45899 2546 1569 165 VNPT-AS-VN VNPT Corp, VN
17974 2315 930 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2164 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2086 417 216 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 3375 1323 86 SHAW - Shaw Communications Inc., CA
22773 3290 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2092 2484 447 CHARTER-NET-HKY-NC - Charter Communicat
16509 2019 4372 670 AMAZON-02 - Amazon.com, Inc., US
30036 1947 341 181 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1920 5070 606 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
11492 1778 228 556 CABLEONE - CABLE ONE, INC., US
7018 1701 20189 1254 ATT-INTERNET4 - AT&T Services, Inc., US
16625 1695 825 1213 AKAMAI-AS - Akamai Technologies, Inc.,
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 3974 1504 540 UNI2-AS, ES
39891 3522 203 20 ALJAWWALSTC-AS, SA
20940 2751 778 2008 AKAMAI-ASN1, US
8551 2093 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2039 1859 706 ROSTELECOM-AS, RU
34984 2020 334 481 TELLCOM-AS, TR
9121 1953 1692 19 TTNET, TR
13188 1606 100 46 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1228 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 4325 3385 575 Uninet S.A. de C.V., MX
10620 3599 540 261 Telmex Colombia S.A., CO
11830 2639 369 85 Instituto Costarricense de Electricidad
6503 1629 437 53 Axtel, S.A.B. de C.V., MX
7303 1508 1022 191 Telecom Argentina S.A., AR
28573 1033 2253 175 CLARO S.A., BR
6147 1010 377 27 Telefonica del Peru S.A.A., PE
3816 1006 506 120 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 928 126 84 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 1150 397 49 LINKdotNET-AS, EG
37611 821 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 707 1396 40 ETISALAT-MISR, EG
24835 637 850 15 RAYA-AS, EG
8452 625 1730 18 TE-AS TE-AS, EG
29571 466 68 12 ORANGE-COTE-IVOIRE, CI
37492 450 376 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 5416 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4325 3385 575 Uninet S.A. de C.V., MX
12479 3974 1504 540 UNI2-AS, ES
7545 3709 410 426 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3599 540 261 Telmex Colombia S.A., CO
39891 3522 203 20 ALJAWWALSTC-AS, SA
6327 3375 1323 86 SHAW - Shaw Communications Inc., CA
22773 3290 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2849 11131 780 KIXS-AS-KR Korea Telecom, KR
9829 2808 1499 542 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
8151 4325 3750 Uninet S.A. de C.V., MX
39891 3522 3502 ALJAWWALSTC-AS, SA
12479 3974 3434 UNI2-AS, ES
10620 3599 3338 Telmex Colombia S.A., CO
6327 3375 3289 SHAW - Shaw Communications Inc., CA
7545 3709 3283 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3290 3140 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2674 2612 VIETEL-AS-AP Viettel Group, VN
9394 2638 2609 CTTNET China TieTong Telecommunications Corpora
11830 2639 2554 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
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
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
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
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
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 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 /8:14 /9:11 /10:37 /11:100 /12:288
/13:563 /14:1096 /15:1903 /16:13368 /17:7800 /18:13616
/19:25164 /20:39207 /21:45113 /22:85887 /23:69263 /24:386496
/25:844 /26:604 /27:664 /28:35 /29:20 /30:17
/31:4 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3166 3375 SHAW - Shaw Communications Inc., CA
39891 2946 3522 ALJAWWALSTC-AS, SA
12479 2721 3974 UNI2-AS, ES
22773 2543 3290 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1987 2639 Instituto Costarricense de Electricidad y Telec
30036 1698 1947 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1603 3599 Telmex Colombia S.A., CO
8551 1556 2093 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1549 1778 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)
----------------------------------------------
1:1579 2:823 4:19 5:2817 6:59 7:1
8:1118 9:1 12:1880 13:182 14:1733 15:29
16:3 17:197 18:68 20:47 21:4 23:2588
24:2153 25:2 27:2260 31:1970 32:89 35:26
36:501 37:2748 38:1446 39:251 40:119 41:3018
42:602 43:1958 44:100 45:4030 46:3049 47:203
49:1345 50:1052 51:49 52:998 54:370 55:5
56:12 57:42 58:1536 59:1008 60:428 61:2133
62:1812 63:1802 64:4736 65:2218 66:4584 67:2354
68:1148 69:3200 70:1144 71:559 72:2112 74:2717
75:411 76:425 77:1550 78:1693 79:1883 80:1485
81:1424 82:1080 83:783 84:1023 85:2079 86:589
87:1310 88:928 89:2324 90:201 91:6309 92:1176
93:2379 94:2400 95:2749 96:657 97:356 98:932
99:133 100:80 101:1430 102:40 103:17431 104:3306
105:225 106:644 107:1792 108:708 109:2701 110:1580
111:1780 112:1314 113:1340 114:1119 115:1635 116:1648
117:1713 118:2163 119:1672 120:958 121:1053 122:2463
123:1800 124:1450 125:1900 128:986 129:637 130:448
131:1592 132:670 133:196 134:1005 135:227 136:451
137:499 138:1950 139:578 140:424 141:688 142:795
143:963 144:798 145:456 146:1168 147:756 148:1566
149:720 150:722 151:1057 152:760 153:311 154:1012
155:764 156:855 157:786 158:625 159:1652 160:929
161:732 162:2581 163:528 164:1035 165:1402 166:419
167:1402 168:3043 169:815 170:3716 171:428 172:1074
173:1960 174:883 175:767 176:1870 177:3969 178:2421
179:1198 180:2244 181:2197 182:2454 183:1139 184:918
185:13114 186:3587 187:2354 188:2767 189:2009 190:8136
191:1443 192:9830 193:5865 194:4787 195:3934 196:2476
197:1405 198:5505 199:5895 200:7439 201:5007 202:10424
203:10124 204:4520 205:2843 206:3073 207:3196 208:3977
209:3934 210:4031 211:2112 212:3018 213:2739 214:907
215:60 216:5851 217:2117 218:899 219:621 220:1722
221:999 222:1041 223:1233
End of report
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