[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 12 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 13 Oct, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 721096
Prefixes after maximum aggregation (per Origin AS): 277098
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 345929
Total ASes present in the Internet Routing Table: 62109
Prefixes per ASN: 11.61
Origin-only ASes present in the Internet Routing Table: 53619
Origin ASes announcing only one prefix: 23335
Transit ASes present in the Internet Routing Table: 8490
Transit-only ASes present in the Internet Routing Table: 261
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 36
Max AS path prepend of ASN ( 30873) 34
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: 24423
Number of 32-bit ASNs visible in the Routing Table: 19736
Prefixes from 32-bit ASNs in the Routing Table: 83469
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 280
Number of addresses announced to Internet: 2855400963
Equivalent to 170 /8s, 49 /16s and 246 /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: 99.1
Total number of prefixes smaller than registry allocations: 240920
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 196490
Total APNIC prefixes after maximum aggregation: 55881
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 194140
Unique aggregates announced from the APNIC address blocks: 80052
APNIC Region origin ASes present in the Internet Routing Table: 9171
APNIC Prefixes per ASN: 21.17
APNIC Region origin ASes announcing only one prefix: 2560
APNIC Region transit ASes present in the Internet Routing Table: 1364
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4133
Number of APNIC addresses announced to Internet: 767752898
Equivalent to 45 /8s, 194 /16s and 250 /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, 131072-139577
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: 214366
Total ARIN prefixes after maximum aggregation: 101616
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 213998
Unique aggregates announced from the ARIN address blocks: 101728
ARIN Region origin ASes present in the Internet Routing Table: 18266
ARIN Prefixes per ASN: 11.72
ARIN Region origin ASes announcing only one prefix: 6784
ARIN Region transit ASes present in the Internet Routing Table: 1810
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2465
Number of ARIN addresses announced to Internet: 1098532000
Equivalent to 65 /8s, 122 /16s and 68 /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, 393216-399260
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: 196723
Total RIPE prefixes after maximum aggregation: 93952
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 193089
Unique aggregates announced from the RIPE address blocks: 114184
RIPE Region origin ASes present in the Internet Routing Table: 25543
RIPE Prefixes per ASN: 7.56
RIPE Region origin ASes announcing only one prefix: 11478
RIPE Region transit ASes present in the Internet Routing Table: 3539
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7477
Number of RIPE addresses announced to Internet: 714723456
Equivalent to 42 /8s, 153 /16s and 208 /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
196608-210331
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: 93596
Total LACNIC prefixes after maximum aggregation: 21418
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 94975
Unique aggregates announced from the LACNIC address blocks: 41374
LACNIC Region origin ASes present in the Internet Routing Table: 7640
LACNIC Prefixes per ASN: 12.43
LACNIC Region origin ASes announcing only one prefix: 2106
LACNIC Region transit ASes present in the Internet Routing Table: 1431
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5184
Number of LACNIC addresses announced to Internet: 172314144
Equivalent to 10 /8s, 69 /16s and 78 /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: 19876
Total AfriNIC prefixes after maximum aggregation: 4192
AfriNIC Deaggregation factor: 4.74
Prefixes being announced from the AfriNIC address blocks: 24614
Unique aggregates announced from the AfriNIC address blocks: 8332
AfriNIC Region origin ASes present in the Internet Routing Table: 1203
AfriNIC Prefixes per ASN: 20.46
AfriNIC Region origin ASes announcing only one prefix: 407
AfriNIC Region transit ASes present in the Internet Routing Table: 243
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 477
Number of AfriNIC addresses announced to Internet: 101644288
Equivalent to 6 /8s, 14 /16s and 248 /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 4639 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4461 489 479 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2985 1153 93 VIETEL-AS-AP Viettel Group, VN
4766 2821 11130 764 KIXS-AS-KR Korea Telecom, KR
45899 2783 1674 159 VNPT-AS-VN VNPT Corp, VN
9829 2757 1496 550 BSNL-NIB National Internet Backbone, IN
9394 2590 4907 31 CTTNET China TieTong Telecommunications
17974 2253 936 52 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2250 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2135 422 173 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
11492 3525 227 498 CABLEONE - CABLE ONE, INC., US
6327 3454 1324 83 SHAW - Shaw Communications Inc., CA
22773 3244 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2316 5005 815 AMAZON-02 - Amazon.com, Inc., US
18566 2157 405 109 MEGAPATH5-US - MegaPath Corporation, US
16625 2152 1115 1555 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2148 2736 522 CHARTER-NET-HKY-NC - Charter Communicat
5650 2085 3074 1461 FRONTIER-FRTR - Frontier Communications
209 2041 5081 597 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
30036 1999 339 314 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
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 4932 1609 128 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3050 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2574 592 1920 AKAMAI-ASN1, US
12389 2116 2065 681 ROSTELECOM-AS, RU
34984 2049 337 509 TELLCOM-AS, TR
9121 1862 1691 17 TTNET, TR
13188 1604 100 45 TRIOLAN, UA
8402 1271 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 355 21 UKRTELNET, UA
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 5413 3304 611 Uninet S.A. de C.V., MX
10620 3197 490 804 Telmex Colombia S.A., CO
11830 2657 370 82 Instituto Costarricense de Electricidad
6503 1649 444 65 Axtel, S.A.B. de C.V., MX
7303 1432 955 206 Telecom Argentina S.A., AR
28573 1119 2234 197 CLARO S.A., BR
6147 1114 377 31 Telefonica del Peru S.A.A., PE
3816 1025 512 112 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 935 145 71 Alestra, S. de R.L. de C.V., MX
18881 919 1114 28 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 1201 396 48 LINKdotNET-AS, EG
37611 902 107 9 Afrihost, ZA
36903 794 399 146 MT-MPLS, MA
36992 753 1411 41 ETISALAT-MISR, EG
24835 682 818 18 RAYA-AS, EG
8452 663 1728 15 TE-AS TE-AS, EG
37492 468 470 57 ORANGE-, TN
29571 465 70 12 ORANGE-COTE-IVOIRE, CI
23889 394 231 15 MauritiusTelecom, MU
37342 394 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
8151 5413 3304 611 Uninet S.A. de C.V., MX
12479 4932 1609 128 UNI2-AS, ES
4538 4639 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4461 489 479 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3525 227 498 CABLEONE - CABLE ONE, INC., US
6327 3454 1324 83 SHAW - Shaw Communications Inc., CA
22773 3244 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3197 490 804 Telmex Colombia S.A., CO
8551 3050 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 4932 4804 UNI2-AS, ES
4538 4639 4565 ERX-CERNET-BKB China Education and Research Net
7545 4461 3982 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3454 3371 SHAW - Shaw Communications Inc., CA
22773 3244 3088 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11492 3525 3027 CABLEONE - CABLE ONE, INC., US
8551 3050 3000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2985 2892 VIETEL-AS-AP Viettel Group, VN
45899 2783 2624 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
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64500 DOCUMENT 45.43.56.0/24 45474 NEXUSGUARD-AS-AP Suite 2101~02
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
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
65551 DOCUMENT 103.112.64.0/23 58889 ZOL-BD Zx Online Ltd, BD
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-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
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
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
45.121.32.0/22 134356 UNKNOWN
45.121.136.0/22 22552 ESITED - eSited Solutions, US
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
64.28.160.0/20 20475 AS20475 - Global Capacity, LLC, US
64.29.240.0/20 27279 -Reserved AS-, ZZ
64.30.152.0/24 15830 TELECITY-LON, GB
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 /10:36 /11:98 /12:290
/13:566 /14:1103 /15:1888 /16:13336 /17:7899 /18:13790
/19:25398 /20:39664 /21:45951 /22:89509 /23:73608 /24:405721
/25:821 /26:624 /27:634 /28:36 /29:21 /30:22
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3719 4932 UNI2-AS, ES
6327 3240 3454 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2778 3525 CABLEONE - CABLE ONE, INC., US
8551 2506 3050 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2506 3244 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2051 2157 MEGAPATH5-US - MegaPath Corporation, US
11830 2007 2657 Instituto Costarricense de Electricidad y Telec
5650 1762 2085 FRONTIER-FRTR - Frontier Communications of Amer
30036 1747 1999 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1608 2:887 4:18 5:2671 6:43 7:1
8:1143 12:1864 13:219 14:1836 15:34 16:3
17:194 18:56 20:50 23:2556 24:2424 25:2
27:2517 31:2008 32:84 35:29 36:537 37:2875
38:1548 39:258 40:120 41:3265 42:717 43:1975
44:122 45:5743 46:3106 47:226 49:1346 50:1051
51:318 52:1090 54:364 55:1 56:12 57:39
58:1622 59:988 60:417 61:2086 62:1961 63:1805
64:5077 65:2208 66:4805 67:2672 68:1158 69:3366
70:1155 71:580 72:2254 74:2723 75:416 76:456
77:1652 78:1741 79:2235 80:1577 81:1423 82:1057
83:786 84:1046 85:2047 86:557 87:1455 88:929
89:2363 90:213 91:6444 92:1273 93:2393 94:2431
95:3026 96:932 97:352 98:938 99:142 100:86
101:1182 102:245 103:18974 104:3559 105:220 106:771
107:1827 108:708 109:3350 110:1673 111:1820 112:1330
113:1302 114:1171 115:1686 116:1666 117:1791 118:2203
119:1692 120:1085 121:1046 122:2387 123:1669 124:1445
125:1935 128:1186 129:692 130:500 131:1618 132:721
133:191 134:1038 135:237 136:527 137:659 138:1947
139:698 140:548 141:748 142:839 143:1014 144:845
145:496 146:1242 147:742 148:1687 149:778 150:759
151:999 152:870 153:325 154:1893 155:938 156:1494
157:814 158:660 159:1879 160:1493 161:855 162:2644
163:737 164:1088 165:1564 166:453 167:1280 168:3161
169:855 170:3842 171:495 172:1028 173:2067 174:999
175:808 176:2081 177:4045 178:2500 179:1321 180:2164
181:2427 182:2381 183:1304 184:1151 185:14203 186:3590
187:2491 188:2930 189:2018 190:8279 191:1360 192:9850
193:6282 194:5131 195:4043 196:2819 197:1625 198:5664
199:5965 200:7426 201:5048 202:10257 203:10241 204:4590
205:3001 206:3220 207:3200 208:3925 209:4159 210:3836
211:1980 212:2987 213:2822 214:1033 215:54 216:6025
217:2172 218:868 219:579 220:1796 221:1001 222:984
223:1396
End of report
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