[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 16 Mar 18:03:26 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 17 Mar, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 690673
Prefixes after maximum aggregation (per Origin AS): 267882
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 332450
Total ASes present in the Internet Routing Table: 60129
Prefixes per ASN: 11.49
Origin-only ASes present in the Internet Routing Table: 51933
Origin ASes announcing only one prefix: 22773
Transit ASes present in the Internet Routing Table: 8196
Transit-only ASes present in the Internet Routing Table: 255
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (262865) 25
Prefixes from unregistered ASNs in the Routing Table: 63
Number of instances of unregistered ASNs: 63
Number of 32-bit ASNs allocated by the RIRs: 21837
Number of 32-bit ASNs visible in the Routing Table: 17567
Prefixes from 32-bit ASNs in the Routing Table: 73049
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: 338
Number of addresses announced to Internet: 2855059586
Equivalent to 170 /8s, 44 /16s and 192 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 229892
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 189758
Total APNIC prefixes after maximum aggregation: 54251
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 188659
Unique aggregates announced from the APNIC address blocks: 76998
APNIC Region origin ASes present in the Internet Routing Table: 8708
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 2470
APNIC Region transit ASes present in the Internet Routing Table: 1294
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: 3623
Number of APNIC addresses announced to Internet: 767297698
Equivalent to 45 /8s, 188 /16s and 8 /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: 205948
Total ARIN prefixes after maximum aggregation: 98707
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 206695
Unique aggregates announced from the ARIN address blocks: 97753
ARIN Region origin ASes present in the Internet Routing Table: 18110
ARIN Prefixes per ASN: 11.41
ARIN Region origin ASes announcing only one prefix: 6707
ARIN Region transit ASes present in the Internet Routing Table: 1800
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2323
Number of ARIN addresses announced to Internet: 1104486016
Equivalent to 65 /8s, 213 /16s and 30 /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: 187538
Total RIPE prefixes after maximum aggregation: 91246
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 183828
Unique aggregates announced from the RIPE address blocks: 109868
RIPE Region origin ASes present in the Internet Routing Table: 24989
RIPE Prefixes per ASN: 7.36
RIPE Region origin ASes announcing only one prefix: 11341
RIPE Region transit ASes present in the Internet Routing Table: 3485
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6776
Number of RIPE addresses announced to Internet: 714742144
Equivalent to 42 /8s, 154 /16s and 25 /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: 88911
Total LACNIC prefixes after maximum aggregation: 19649
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 90277
Unique aggregates announced from the LACNIC address blocks: 40074
LACNIC Region origin ASes present in the Internet Routing Table: 6915
LACNIC Prefixes per ASN: 13.06
LACNIC Region origin ASes announcing only one prefix: 1885
LACNIC Region transit ASes present in the Internet Routing Table: 1290
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4448
Number of LACNIC addresses announced to Internet: 172058848
Equivalent to 10 /8s, 65 /16s and 104 /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: 18453
Total AfriNIC prefixes after maximum aggregation: 3980
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 20876
Unique aggregates announced from the AfriNIC address blocks: 7506
AfriNIC Region origin ASes present in the Internet Routing Table: 1124
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 369
AfriNIC Region transit ASes present in the Internet Routing Table: 229
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: 397
Number of AfriNIC addresses announced to Internet: 96067584
Equivalent to 5 /8s, 185 /16s and 224 /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 5421 4192 74 ERX-CERNET-BKB China Education and Rese
7545 3919 406 402 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2865 11132 778 KIXS-AS-KR Korea Telecom, KR
9829 2803 1499 541 BSNL-NIB National Internet Backbone, IN
7552 2698 1161 58 VIETEL-AS-AP Viettel Group, VN
9394 2637 4923 29 CTTNET China TieTong Telecommunications
45899 2580 1561 162 VNPT-AS-VN VNPT Corp, VN
17974 2318 930 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2179 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2086 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 3369 1323 86 SHAW - Shaw Communications Inc., CA
22773 3283 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2096 2484 436 CHARTER-NET-HKY-NC - Charter Communicat
16509 2052 4374 611 AMAZON-02 - Amazon.com, Inc., US
30036 1939 339 186 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1938 5071 622 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6389 1776 3671 36 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
11492 1760 228 558 CABLEONE - CABLE ONE, INC., US
7018 1689 20188 1251 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 3696 1447 771 UNI2-AS, ES
39891 3520 187 21 ALJAWWALSTC-AS, SA
20940 2793 805 2043 AKAMAI-ASN1, US
8551 2104 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2036 1864 704 ROSTELECOM-AS, RU
34984 2026 334 478 TELLCOM-AS, TR
9121 1930 1692 19 TTNET, TR
13188 1606 100 46 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1223 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 4318 3384 583 Uninet S.A. de C.V., MX
10620 3597 540 259 Telmex Colombia S.A., CO
11830 2642 370 66 Instituto Costarricense de Electricidad
6503 1631 437 53 Axtel, S.A.B. de C.V., MX
7303 1507 1026 191 Telecom Argentina S.A., AR
28573 1024 2247 195 CLARO S.A., BR
6147 1016 377 27 Telefonica del Peru S.A.A., PE
3816 1006 506 120 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 927 126 83 Alestra, S. de R.L. de C.V., MX
18881 907 1072 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 1162 398 50 LINKdotNET-AS, EG
37611 815 91 8 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 678 1380 39 ETISALAT-MISR, EG
8452 625 1730 18 TE-AS TE-AS, EG
24835 602 850 15 RAYA-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 5421 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4318 3384 583 Uninet S.A. de C.V., MX
7545 3919 406 402 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 3696 1447 771 UNI2-AS, ES
10620 3597 540 259 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3369 1323 86 SHAW - Shaw Communications Inc., CA
22773 3283 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2865 11132 778 KIXS-AS-KR Korea Telecom, KR
9829 2803 1499 541 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 4318 3735 Uninet S.A. de C.V., MX
7545 3919 3517 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3520 3499 ALJAWWALSTC-AS, SA
10620 3597 3338 Telmex Colombia S.A., CO
6327 3369 3283 SHAW - Shaw Communications Inc., CA
22773 3283 3134 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
12479 3696 2925 UNI2-AS, ES
7552 2698 2640 VIETEL-AS-AP Viettel Group, VN
9394 2637 2608 CTTNET China TieTong Telecommunications Corpora
11830 2642 2576 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
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
267285 UNALLOCATED 45.232.244.0/22 53087 TELY Ltda., BR
267285 UNALLOCATED 45.232.244.0/23 53087 TELY Ltda., BR
267285 UNALLOCATED 45.232.246.0/23 53087 TELY Ltda., BR
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
65000 PRIVATE 95.179.2.0/24 65001 -Private Use AS-, ZZ
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
37.44.224.0/20 48666 AS-MAROSNET Moscow, Russia, RU
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
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 /12:289
/13:563 /14:1094 /15:1899 /16:13328 /17:7842 /18:13622
/19:25082 /20:39220 /21:45173 /22:85549 /23:69207 /24:385416
/25:837 /26:601 /27:656 /28:35 /29:20 /30:17
/31:4 /32:57
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3160 3369 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2538 3283 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
12479 2482 3696 UNI2-AS, ES
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1989 2642 Instituto Costarricense de Electricidad y Telec
30036 1693 1939 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1601 3597 Telmex Colombia S.A., CO
8551 1567 2104 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1538 1760 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)
----------------------------------------------
1:1567 2:832 4:19 5:2806 6:59 7:1
8:1118 9:1 12:1880 13:207 14:1749 15:27
16:3 17:191 18:68 20:47 21:3 23:2559
24:2157 25:2 27:2285 31:1958 32:89 35:27
36:504 37:2736 38:1462 39:247 40:103 41:3028
42:592 43:1949 44:98 45:3919 46:3035 47:199
49:1353 50:1050 51:48 52:989 54:357 55:5
56:10 57:42 58:1563 59:1020 60:428 61:2144
62:1804 63:1802 64:4722 65:2223 66:4594 67:2366
68:1173 69:3206 70:1181 71:558 72:2105 74:2718
75:410 76:426 77:1553 78:1698 79:1868 80:1484
81:1444 82:1078 83:779 84:1022 85:2069 86:578
87:1283 88:928 89:2316 90:200 91:6301 92:1172
93:2362 94:2393 95:2727 96:658 97:356 98:928
99:128 100:79 101:1378 102:31 103:17312 104:3298
105:223 106:588 107:1791 108:709 109:2714 110:1571
111:1756 112:1325 113:1367 114:1117 115:1650 116:1639
117:1717 118:2170 119:1677 120:969 121:1060 122:2450
123:1823 124:1451 125:1885 128:983 129:624 130:444
131:1601 132:656 133:195 134:1002 135:226 136:451
137:495 138:1951 139:573 140:419 141:696 142:790
143:943 144:801 145:452 146:1153 147:742 148:1545
149:697 150:738 151:1046 152:759 153:308 154:1021
155:754 156:847 157:779 158:627 159:1643 160:922
161:718 162:2579 163:526 164:1024 165:1399 166:408
167:1394 168:3062 169:810 170:3665 171:422 172:1052
173:1951 174:879 175:750 176:1876 177:3916 178:2424
179:1194 180:2238 181:2179 182:2466 183:1132 184:915
185:12926 186:3559 187:2326 188:2738 189:1989 190:8120
191:1425 192:9776 193:5893 194:4794 195:3981 196:2435
197:1443 198:5532 199:5908 200:7396 201:4999 202:10390
203:10129 204:4545 205:2848 206:3085 207:3194 208:3994
209:3938 210:4033 211:2118 212:3016 213:2693 214:901
215:61 216:5825 217:2130 218:898 219:621 220:1722
221:996 222:1044 223:1234
End of report
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