[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 29 18:02:54 UTC 2017
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
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 30 Sep, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 664412
Prefixes after maximum aggregation (per Origin AS): 258107
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 320310
Total ASes present in the Internet Routing Table: 58459
Prefixes per ASN: 11.37
Origin-only ASes present in the Internet Routing Table: 50491
Origin ASes announcing only one prefix: 22271
Transit ASes present in the Internet Routing Table: 7968
Transit-only ASes present in the Internet Routing Table: 230
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 91
Number of instances of unregistered ASNs: 91
Number of 32-bit ASNs allocated by the RIRs: 20109
Number of 32-bit ASNs visible in the Routing Table: 15925
Prefixes from 32-bit ASNs in the Routing Table: 65301
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 359
Number of addresses announced to Internet: 2851720800
Equivalent to 169 /8s, 249 /16s and 206 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.7
Total number of prefixes smaller than registry allocations: 219606
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 183498
Total APNIC prefixes after maximum aggregation: 52398
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 182418
Unique aggregates announced from the APNIC address blocks: 74771
APNIC Region origin ASes present in the Internet Routing Table: 8348
APNIC Prefixes per ASN: 21.85
APNIC Region origin ASes announcing only one prefix: 2300
APNIC Region transit ASes present in the Internet Routing Table: 1198
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3207
Number of APNIC addresses announced to Internet: 765499872
Equivalent to 45 /8s, 160 /16s and 153 /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: 199474
Total ARIN prefixes after maximum aggregation: 95708
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 201183
Unique aggregates announced from the ARIN address blocks: 93502
ARIN Region origin ASes present in the Internet Routing Table: 17897
ARIN Prefixes per ASN: 11.24
ARIN Region origin ASes announcing only one prefix: 6628
ARIN Region transit ASes present in the Internet Routing Table: 1779
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2191
Number of ARIN addresses announced to Internet: 1107083552
Equivalent to 65 /8s, 252 /16s and 193 /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: 177712
Total RIPE prefixes after maximum aggregation: 86956
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 173663
Unique aggregates announced from the RIPE address blocks: 104888
RIPE Region origin ASes present in the Internet Routing Table: 24439
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 11209
RIPE Region transit ASes present in the Internet Routing Table: 3480
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: 6225
Number of RIPE addresses announced to Internet: 713272704
Equivalent to 42 /8s, 131 /16s and 173 /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: 86153
Total LACNIC prefixes after maximum aggregation: 19113
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 87391
Unique aggregates announced from the LACNIC address blocks: 39768
LACNIC Region origin ASes present in the Internet Routing Table: 6436
LACNIC Prefixes per ASN: 13.58
LACNIC Region origin ASes announcing only one prefix: 1793
LACNIC Region transit ASes present in the Internet Routing Table: 1187
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3958
Number of LACNIC addresses announced to Internet: 172130784
Equivalent to 10 /8s, 66 /16s and 129 /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: 17482
Total AfriNIC prefixes after maximum aggregation: 3857
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 19398
Unique aggregates announced from the AfriNIC address blocks: 7096
AfriNIC Region origin ASes present in the Internet Routing Table: 1073
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 340
AfriNIC Region transit ASes present in the Internet Routing Table: 208
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 344
Number of AfriNIC addresses announced to Internet: 93275136
Equivalent to 5 /8s, 143 /16s and 68 /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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 3970 407 406 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2857 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2788 11126 753 KIXS-AS-KR Korea Telecom, KR
9829 2754 1499 540 BSNL-NIB National Internet Backbone, IN
45899 2389 1472 112 VNPT-AS-VN VNPT Corp, VN
9808 2367 8699 32 CMNET-GD Guangdong Mobile Communication
9394 2175 4931 27 CTTNET China TieTong Telecommunications
4755 2106 423 222 TATACOMM-AS TATA Communications formerl
4134 1746 28203 462 CHINANET-BACKBONE No.31,Jin-rong Street
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 3442 1341 88 SHAW - Shaw Communications Inc., CA
22773 3295 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2208 405 107 MEGAPATH5-US - MegaPath Corporation, US
6389 2045 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2041 2254 430 CHARTER-NET-HKY-NC - Charter Communicat
209 1923 5067 645 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1834 3963 546 AMAZON-02 - Amazon.com, Inc., US
30036 1809 322 355 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1688 853 228 ITCDELTA - Earthlink, Inc., US
701 1679 10589 626 UUNET - MCI Communications Services, In
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 3387 186 23 ALJAWWALSTC-AS, SA
20940 2884 898 2068 AKAMAI-ASN1, US
8551 2448 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2049 330 429 TELLCOM-AS, TR
12389 1803 1662 687 ROSTELECOM-AS, RU
12479 1722 1055 71 UNI2-AS, ES
9121 1720 1691 17 TTNET, TR
13188 1604 100 52 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1208 544 15 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
10620 3564 541 244 Telmex Colombia S.A., CO
8151 3208 3467 580 Uninet S.A. de C.V., MX
11830 2097 370 65 Instituto Costarricense de Electricidad
6503 1564 437 53 Axtel, S.A.B. de C.V., MX
7303 1548 1015 242 Telecom Argentina S.A., AR
6147 1278 377 27 Telefonica del Peru S.A.A., PE
3816 1033 510 92 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 962 2285 181 CLARO S.A., BR
11172 915 127 87 Alestra, S. de R.L. de C.V., MX
18881 901 1056 24 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 1205 398 48 LINKdotNET-AS, EG
37611 767 91 8 Afrihost, ZA
36903 708 356 136 MT-MPLS, MA
36992 665 1383 31 ETISALAT-MISR, EG
24835 515 850 15 RAYA-AS, EG
29571 422 36 10 CITelecom-AS, CI
37492 416 354 77 ORANGE-, TN
8452 398 1730 18 TE-AS TE-AS, EG
15399 357 35 7 WANANCHI-, KE
2018 297 327 73 TENET-1, ZA
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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 3970 407 406 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3564 541 244 Telmex Colombia S.A., CO
6327 3442 1341 88 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
22773 3295 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8151 3208 3467 580 Uninet S.A. de C.V., MX
20940 2884 898 2068 AKAMAI-ASN1, US
17974 2857 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2788 11126 753 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
7545 3970 3564 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3442 3354 SHAW - Shaw Communications Inc., CA
10620 3564 3320 Telmex Colombia S.A., CO
22773 3295 3138 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2857 2780 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8151 3208 2628 Uninet S.A. de C.V., MX
8551 2448 2407 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2367 2335 CMNET-GD Guangdong Mobile Communication Co.Ltd.
45899 2389 2277 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
64525 PRIVATE 45.119.143.0/24 133275 GIGANTIC-AS Gigantic Infotel P
64525 PRIVATE 45.125.62.0/24 133275 GIGANTIC-AS Gigantic Infotel P
65530 PRIVATE 45.249.40.0/24 133720 SOFTCALLCOC-AS SOFT CALL CUST-
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 58.68.109.0/24 10201 DWL-AS-IN Dishnet Wireless Lim
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
290012147 UNALLOCATED 63.65.43.0/24 7046 RFC2270-UUNET-CUSTOMER - MCI C
65538 DOCUMENT 64.27.253.0/24 1273 CW Vodafone Group PLC, GB
65099 PRIVATE 95.173.150.0/24 43797 RSNET2-AS RSNET2, RU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
23.128.126.0/23 62878 XLITT - Xlitt, US
27.100.7.0/24 56096 UNKNOWN
41.78.12.0/23 62878 XLITT - Xlitt, US
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 62878 XLITT - Xlitt, US
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, 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 /8:15 /9:13 /10:36 /11:105 /12:283
/13:554 /14:1051 /15:1864 /16:13424 /17:7766 /18:13656
/19:25316 /20:39490 /21:42801 /22:80287 /23:65309 /24:369979
/25:853 /26:627 /27:654 /28:37 /29:39 /30:217
/31:2 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3238 3442 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2519 3295 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2094 2208 MEGAPATH5-US - MegaPath Corporation, US
8551 1913 2448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1589 1809 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1521 3564 Telmex Colombia S.A., CO
11830 1487 2097 Instituto Costarricense de Electricidad y Telec
34984 1356 2049 TELLCOM-AS, TR
6389 1355 2045 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1560 2:840 4:18 5:2485 6:33 7:1
8:1072 12:1853 13:157 14:1722 15:28 16:3
17:172 18:76 20:59 23:2459 24:1609 25:2
27:2387 29:1 31:1929 32:89 33:22 35:21
36:408 37:2355 38:1384 39:73 40:97 41:2974
42:494 43:1965 44:81 45:3099 46:2821 47:171
49:1253 50:1012 51:19 52:824 54:354 55:2
56:4 57:44 58:1580 59:982 60:352 61:2022
62:1711 63:1907 64:4711 65:2207 66:4557 67:2288
68:1191 69:3340 70:1161 71:613 72:2143 74:2646
75:402 76:429 77:1504 78:1520 79:1890 80:1415
81:1403 82:1024 83:724 84:974 85:1882 86:465
87:1212 88:806 89:2231 90:172 91:6240 92:1038
93:2346 94:2369 95:2659 96:634 97:353 98:961
99:95 100:153 101:1224 102:1 103:15915 104:3036
105:207 106:542 107:1763 108:830 109:2917 110:1469
111:1754 112:1275 113:1305 114:1069 115:1559 116:1689
117:1782 118:2141 119:1644 120:725 121:1072 122:2432
123:1872 124:1501 125:1800 128:916 129:677 130:444
131:1507 132:599 133:193 134:733 135:225 136:305
137:466 138:1962 139:522 140:379 141:669 142:750
143:928 144:787 145:184 146:1110 147:701 148:1497
149:589 150:702 151:1000 152:716 153:300 154:917
155:761 156:686 157:732 158:516 159:1559 160:771
161:748 162:2503 163:507 164:984 165:1428 166:384
167:1289 168:3010 169:844 170:3566 171:383 172:989
173:1946 174:775 175:781 176:1867 177:3941 178:2527
179:1153 180:2210 181:2076 182:2454 183:769 184:886
185:10836 186:3268 187:2250 188:2590 189:1850 190:8405
191:1363 192:9604 193:5800 194:4732 195:3930 196:2133
197:1373 198:5470 199:5799 200:7608 201:4428 202:10350
203:9972 204:4490 205:2838 206:2960 207:3111 208:3872
209:3929 210:3931 211:2070 212:2879 213:2537 214:838
215:66 216:5796 217:2103 218:958 219:590 220:1676
221:922 222:759 223:1202
End of report
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