[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 2 18:03:10 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, CaribNOG
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 03 Mar, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 687961
Prefixes after maximum aggregation (per Origin AS): 266895
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 331711
Total ASes present in the Internet Routing Table: 59983
Prefixes per ASN: 11.47
Origin-only ASes present in the Internet Routing Table: 51808
Origin ASes announcing only one prefix: 22740
Transit ASes present in the Internet Routing Table: 8175
Transit-only ASes present in the Internet Routing Table: 257
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 37
Max AS path prepend of ASN (262865) 25
Prefixes from unregistered ASNs in the Routing Table: 58
Number of instances of unregistered ASNs: 58
Number of 32-bit ASNs allocated by the RIRs: 21677
Number of 32-bit ASNs visible in the Routing Table: 17438
Prefixes from 32-bit ASNs in the Routing Table: 72349
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 326
Number of addresses announced to Internet: 2855228258
Equivalent to 170 /8s, 47 /16s and 83 /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: 228105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 189669
Total APNIC prefixes after maximum aggregation: 54076
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 188647
Unique aggregates announced from the APNIC address blocks: 77563
APNIC Region origin ASes present in the Internet Routing Table: 8675
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 2459
APNIC Region transit ASes present in the Internet Routing Table: 1284
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: 3589
Number of APNIC addresses announced to Internet: 768016418
Equivalent to 45 /8s, 199 /16s and 0 /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: 205098
Total ARIN prefixes after maximum aggregation: 98253
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 205932
Unique aggregates announced from the ARIN address blocks: 97158
ARIN Region origin ASes present in the Internet Routing Table: 18084
ARIN Prefixes per ASN: 11.39
ARIN Region origin ASes announcing only one prefix: 6690
ARIN Region transit ASes present in the Internet Routing Table: 1797
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: 2314
Number of ARIN addresses announced to Internet: 1104806432
Equivalent to 65 /8s, 218 /16s and 2 /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: 186339
Total RIPE prefixes after maximum aggregation: 90949
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 182630
Unique aggregates announced from the RIPE address blocks: 109299
RIPE Region origin ASes present in the Internet Routing Table: 24943
RIPE Prefixes per ASN: 7.32
RIPE Region origin ASes announcing only one prefix: 11325
RIPE Region transit ASes present in the Internet Routing Table: 3499
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6729
Number of RIPE addresses announced to Internet: 714026880
Equivalent to 42 /8s, 143 /16s and 47 /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: 88435
Total LACNIC prefixes after maximum aggregation: 19571
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 89797
Unique aggregates announced from the LACNIC address blocks: 40020
LACNIC Region origin ASes present in the Internet Routing Table: 6880
LACNIC Prefixes per ASN: 13.05
LACNIC Region origin ASes announcing only one prefix: 1899
LACNIC Region transit ASes present in the Internet Routing Table: 1262
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4413
Number of LACNIC addresses announced to Internet: 172137888
Equivalent to 10 /8s, 66 /16s and 157 /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: 18360
Total AfriNIC prefixes after maximum aggregation: 4000
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 20629
Unique aggregates announced from the AfriNIC address blocks: 7410
AfriNIC Region origin ASes present in the Internet Routing Table: 1119
AfriNIC Prefixes per ASN: 18.44
AfriNIC Region origin ASes announcing only one prefix: 366
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: 393
Number of AfriNIC addresses announced to Internet: 95837440
Equivalent to 5 /8s, 182 /16s and 93 /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 5442 4195 92 ERX-CERNET-BKB China Education and Rese
7545 4057 408 415 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2858 11132 774 KIXS-AS-KR Korea Telecom, KR
9829 2802 1499 540 BSNL-NIB National Internet Backbone, IN
17974 2710 934 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo
7552 2638 1161 59 VIETEL-AS-AP Viettel Group, VN
9394 2630 4923 29 CTTNET China TieTong Telecommunications
45899 2561 1561 160 VNPT-AS-VN VNPT Corp, VN
9808 2180 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2083 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 3383 1323 84 SHAW - Shaw Communications Inc., CA
22773 3276 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2095 2483 435 CHARTER-NET-HKY-NC - Charter Communicat
16509 2027 4371 603 AMAZON-02 - Amazon.com, Inc., US
30036 1928 338 196 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1927 5055 619 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6389 1841 3671 36 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
11492 1740 227 574 CABLEONE - CABLE ONE, INC., US
7018 1684 20187 1249 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
39891 3520 187 21 ALJAWWALSTC-AS, SA
12479 3058 1316 804 UNI2-AS, ES
20940 2855 846 2071 AKAMAI-ASN1, US
8551 2066 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2037 1864 704 ROSTELECOM-AS, RU
34984 1992 332 474 TELLCOM-AS, TR
9121 1922 1692 19 TTNET, TR
13188 1606 100 46 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1215 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 4161 3388 587 Uninet S.A. de C.V., MX
10620 3594 541 253 Telmex Colombia S.A., CO
11830 2639 370 66 Instituto Costarricense de Electricidad
6503 1625 437 53 Axtel, S.A.B. de C.V., MX
7303 1507 1026 191 Telecom Argentina S.A., AR
28573 1021 2246 189 CLARO S.A., BR
6147 1010 377 27 Telefonica del Peru S.A.A., PE
3816 1007 506 120 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 923 126 85 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 49 LINKdotNET-AS, EG
37611 809 91 8 Afrihost, ZA
36903 739 371 135 MT-MPLS, MA
36992 681 1380 38 ETISALAT-MISR, EG
8452 615 1730 18 TE-AS TE-AS, EG
24835 557 850 15 RAYA-AS, EG
29571 466 68 12 ORANGE-COTE-IVOIRE, CI
37492 453 376 80 ORANGE-, TN
15399 361 35 7 WANANCHI-, KE
37342 360 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 5442 4195 92 ERX-CERNET-BKB China Education and Rese
8151 4161 3388 587 Uninet S.A. de C.V., MX
7545 4057 408 415 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3594 541 253 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3383 1323 84 SHAW - Shaw Communications Inc., CA
22773 3276 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
12479 3058 1316 804 UNI2-AS, ES
4766 2858 11132 774 KIXS-AS-KR Korea Telecom, KR
20940 2855 846 2071 AKAMAI-ASN1, US
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 4057 3642 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4161 3574 Uninet S.A. de C.V., MX
39891 3520 3499 ALJAWWALSTC-AS, SA
10620 3594 3341 Telmex Colombia S.A., CO
6327 3383 3299 SHAW - Shaw Communications Inc., CA
22773 3276 3127 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2710 2630 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9394 2630 2601 CTTNET China TieTong Telecommunications Corpora
7552 2638 2579 VIETEL-AS-AP Viettel Group, VN
11830 2639 2573 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
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
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
65000 PRIVATE 95.179.3.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.69.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.70.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.92.0/24 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
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
14.192.50.0/23 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
37.44.224.0/20 48666 AS-MAROSNET Moscow, Russia, RU
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
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 /11:100 /12:289
/13:563 /14:1094 /15:1896 /16:13317 /17:7834 /18:13616
/19:25232 /20:39103 /21:45091 /22:84770 /23:68868 /24:383905
/25:839 /26:597 /27:652 /28:35 /29:19 /30:17
/31:4 /32:58
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3175 3383 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2532 3276 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1986 2639 Instituto Costarricense de Electricidad y Telec
12479 1890 3058 UNI2-AS, ES
30036 1683 1928 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1594 3594 Telmex Colombia S.A., CO
8551 1529 2066 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1522 1740 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)
----------------------------------------------
1:1569 2:831 4:19 5:2798 6:59 7:1
8:1100 9:1 12:1872 13:206 14:1755 15:26
16:3 17:187 18:69 20:48 21:3 23:2549
24:2175 25:2 27:2346 31:1950 32:88 35:25
36:497 37:2648 38:1463 39:247 40:103 41:3005
42:545 43:1951 44:100 45:3785 46:3029 47:198
49:1357 50:1043 51:48 52:978 54:353 55:3
56:8 57:42 58:1595 59:1023 60:427 61:2135
62:1800 63:1802 64:4694 65:2225 66:4542 67:2340
68:1169 69:3195 70:1193 71:557 72:2100 74:2670
75:401 76:424 77:1535 78:1669 79:1809 80:1486
81:1418 82:1080 83:778 84:1016 85:2035 86:559
87:1260 88:915 89:2299 90:190 91:6304 92:1186
93:2373 94:2403 95:2734 96:651 97:356 98:928
99:124 100:80 101:1474 102:28 103:17266 104:3274
105:221 106:563 107:1795 108:708 109:2691 110:1588
111:1775 112:1316 113:1379 114:1111 115:1650 116:1646
117:1707 118:2186 119:1674 120:967 121:1072 122:2458
123:1815 124:1460 125:1877 128:975 129:613 130:444
131:1602 132:647 133:194 134:999 135:225 136:440
137:491 138:1950 139:573 140:402 141:686 142:783
143:972 144:799 145:456 146:1159 147:745 148:1535
149:709 150:744 151:1046 152:750 153:308 154:1035
155:753 156:843 157:778 158:623 159:1629 160:869
161:730 162:2550 163:527 164:1025 165:1379 166:397
167:1386 168:3091 169:807 170:3689 171:416 172:1059
173:1925 174:879 175:755 176:1919 177:3927 178:2420
179:1176 180:2237 181:2138 182:2462 183:1132 184:910
185:12725 186:3482 187:2319 188:2702 189:1974 190:8118
191:1450 192:9768 193:5889 194:4774 195:3968 196:2439
197:1428 198:5520 199:5887 200:7311 201:4876 202:10391
203:10083 204:4535 205:2855 206:3062 207:3123 208:3988
209:3932 210:4038 211:2119 212:3010 213:2665 214:903
215:63 216:5852 217:2131 218:899 219:621 220:1735
221:996 222:1053 223:1242
End of report
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