[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 21 18:03:40 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 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 22 Dec, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 731372
Prefixes after maximum aggregation (per Origin AS): 281422
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 352021
Total ASes present in the Internet Routing Table: 62796
Prefixes per ASN: 11.65
Origin-only ASes present in the Internet Routing Table: 54191
Origin ASes announcing only one prefix: 23540
Transit ASes present in the Internet Routing Table: 8605
Transit-only ASes present in the Internet Routing Table: 257
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 36
Number of instances of unregistered ASNs: 38
Number of 32-bit ASNs allocated by the RIRs: 25275
Number of 32-bit ASNs visible in the Routing Table: 20537
Prefixes from 32-bit ASNs in the Routing Table: 88449
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 268
Number of addresses announced to Internet: 2838514337
Equivalent to 169 /8s, 48 /16s and 74 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
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: 244208
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 199658
Total APNIC prefixes after maximum aggregation: 56861
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 196780
Unique aggregates announced from the APNIC address blocks: 81025
APNIC Region origin ASes present in the Internet Routing Table: 9333
APNIC Prefixes per ASN: 21.08
APNIC Region origin ASes announcing only one prefix: 2641
APNIC Region transit ASes present in the Internet Routing Table: 1395
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: 4329
Number of APNIC addresses announced to Internet: 768797056
Equivalent to 45 /8s, 210 /16s and 233 /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: 216410
Total ARIN prefixes after maximum aggregation: 102834
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 215624
Unique aggregates announced from the ARIN address blocks: 103383
ARIN Region origin ASes present in the Internet Routing Table: 18304
ARIN Prefixes per ASN: 11.78
ARIN Region origin ASes announcing only one prefix: 6805
ARIN Region transit ASes present in the Internet Routing Table: 1837
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2530
Number of ARIN addresses announced to Internet: 1077222048
Equivalent to 64 /8s, 53 /16s and 26 /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: 200083
Total RIPE prefixes after maximum aggregation: 95461
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 196486
Unique aggregates announced from the RIPE address blocks: 116177
RIPE Region origin ASes present in the Internet Routing Table: 25732
RIPE Prefixes per ASN: 7.64
RIPE Region origin ASes announcing only one prefix: 11493
RIPE Region transit ASes present in the Internet Routing Table: 3556
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7709
Number of RIPE addresses announced to Internet: 716063360
Equivalent to 42 /8s, 174 /16s and 66 /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: 95008
Total LACNIC prefixes after maximum aggregation: 22014
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 96404
Unique aggregates announced from the LACNIC address blocks: 42127
LACNIC Region origin ASes present in the Internet Routing Table: 7917
LACNIC Prefixes per ASN: 12.18
LACNIC Region origin ASes announcing only one prefix: 2181
LACNIC Region transit ASes present in the Internet Routing Table: 1488
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5466
Number of LACNIC addresses announced to Internet: 173172736
Equivalent to 10 /8s, 82 /16s and 104 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20176
Total AfriNIC prefixes after maximum aggregation: 4221
AfriNIC Deaggregation factor: 4.78
Prefixes being announced from the AfriNIC address blocks: 25810
Unique aggregates announced from the AfriNIC address blocks: 9062
AfriNIC Region origin ASes present in the Internet Routing Table: 1232
AfriNIC Prefixes per ASN: 20.95
AfriNIC Region origin ASes announcing only one prefix: 420
AfriNIC Region transit ASes present in the Internet Routing Table: 241
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 503
Number of AfriNIC addresses announced to Internet: 102852352
Equivalent to 6 /8s, 33 /16s and 103 /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
7545 4652 515 520 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4639 4192 74 ERX-CERNET-BKB China Education and Rese
7552 2995 1160 91 VIETEL-AS-AP Viettel Group, VN
45899 2982 1717 115 VNPT-AS-VN VNPT Corp, VN
4766 2819 11129 769 KIXS-AS-KR Korea Telecom, KR
9829 2750 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2511 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2400 4906 29 CTTNET China TieTong Telecommunications
17974 2258 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2141 438 177 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 3499 1326 91 SHAW - Shaw Communications Inc., CA
11492 3480 225 608 CABLEONE - CABLE ONE, INC., US
22773 3306 2980 176 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2603 5293 974 AMAZON-02 - Amazon.com, Inc., US
16625 2191 1224 1684 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2150 2754 533 CHARTER-20115 - Charter Communications,
18566 2144 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2092 349 134 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2081 5079 593 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5240 1628 138 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3244 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2614 576 1925 AKAMAI-ASN1, US
12389 2233 2221 626 ROSTELECOM-AS, RU
34984 2034 337 534 TELLCOM-AS, TR
9121 1672 1691 17 TTNET, TR
13188 1602 100 46 TRIOLAN, UA
8402 1298 544 17 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 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 5465 3317 592 Uninet S.A. de C.V., MX
10620 3146 476 893 Telmex Colombia S.A., CO
11830 2679 371 71 Instituto Costarricense de Electricidad
6503 1649 449 54 Axtel, S.A.B. de C.V., MX
7303 1440 961 225 Telecom Argentina S.A., AR
28573 1185 2241 179 CLARO S.A., BR
6147 1074 377 29 Telefonica del Peru S.A.A., PE
3816 1023 510 110 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 943 145 69 Alestra, S. de R.L. de C.V., MX
13999 931 538 258 Mega Cable, S.A. de C.V., MX
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 1165 393 24 LINKdotNET-AS, EG
37611 898 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 779 1411 44 ETISALAT-MISR, EG
24835 683 634 21 RAYA-AS, EG
8452 639 1731 19 TE-AS TE-AS, EG
29571 481 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
37342 421 32 1 MOVITEL, MZ
15399 415 45 11 WANANCHI-, KE
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 5465 3317 592 Uninet S.A. de C.V., MX
12479 5240 1628 138 UNI2-AS, ES
7545 4652 515 520 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4639 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3499 1326 91 SHAW - Shaw Communications Inc., CA
11492 3480 225 608 CABLEONE - CABLE ONE, INC., US
22773 3306 2980 176 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3244 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3146 476 893 Telmex Colombia S.A., CO
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 5240 5102 UNI2-AS, ES
4538 4639 4565 ERX-CERNET-BKB China Education and Research Net
7545 4652 4132 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3499 3408 SHAW - Shaw Communications Inc., CA
8551 3244 3201 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3306 3130 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2995 2904 VIETEL-AS-AP Viettel Group, VN
11492 3480 2872 CABLEONE - CABLE ONE, INC., US
45899 2982 2867 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
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65534 PRIVATE 46.46.17.0/24 15638 UTL Ussuriysk, RU
65534 PRIVATE 46.46.32.0/21 15638 UTL Ussuriysk, RU
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 80.93.96.0/21 15638 UTL Ussuriysk, RU
65534 PRIVATE 93.88.216.0/22 15638 UTL Ussuriysk, RU
65534 PRIVATE 93.88.220.0/24 15638 UTL Ussuriysk, RU
4200058511 PRIVATE 103.111.177.0/24 137522 OERL-AS-AP Origin Energy Retai
4200058511 PRIVATE 103.111.178.0/24 137522 OERL-AS-AP Origin Energy Retai
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
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:12 /9:11 /10:36 /11:99 /12:291
/13:568 /14:1125 /15:1909 /16:13349 /17:7882 /18:13863
/19:25505 /20:39676 /21:46116 /22:91180 /23:74538 /24:412844
/25:824 /26:656 /27:636 /28:32 /29:19 /30:9
/31:2 /32:190
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4093 5240 UNI2-AS, ES
6327 3263 3499 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2764 3480 CABLEONE - CABLE ONE, INC., US
8551 2700 3244 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2544 3306 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2039 2144 MEGAPATH5-US - MegaPath Corporation, US
11830 2024 2679 Instituto Costarricense de Electricidad y Telec
30036 1841 2092 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1629 2:884 4:18 5:2757 6:43 7:1
8:1148 12:1877 13:302 14:1884 15:36 16:2
17:207 18:59 20:48 23:2553 24:2419 25:2
27:2550 31:2011 32:91 35:31 36:539 37:2992
38:1593 39:309 40:120 41:3155 42:741 43:1993
44:137 45:6390 46:3095 47:243 49:1324 50:1075
51:319 52:1087 54:363 55:1 56:6 57:41
58:1713 59:1072 60:462 61:2080 62:1998 63:1812
64:5066 65:2184 66:4784 67:2681 68:1159 69:3412
70:1148 71:602 72:2258 74:2731 75:410 76:527
77:1725 78:1716 79:2285 80:1649 81:1413 82:1081
83:870 84:1067 85:2133 86:566 87:1518 88:988
89:2433 90:211 91:6496 92:1259 93:2358 94:2398
95:3128 96:906 97:346 98:936 99:169 100:88
101:1164 102:307 103:19556 104:3561 105:243 106:879
107:1834 108:703 109:3623 110:1634 111:1860 112:1395
113:1329 114:1147 115:1718 116:1615 117:1896 118:2205
119:1682 120:1136 121:1025 122:2357 123:1619 124:1440
125:1950 128:1208 129:689 130:519 131:1632 132:717
133:193 134:1043 135:230 136:541 137:675 138:1928
139:775 140:568 141:763 142:802 143:1010 144:849
145:504 146:1249 147:771 148:1701 149:790 150:799
151:997 152:931 153:326 154:2373 155:963 156:1635
157:851 158:656 159:1887 160:1489 161:902 162:2667
163:770 164:1121 165:1588 166:467 167:1366 168:3207
169:870 170:4003 171:497 172:1071 173:2138 174:988
175:879 176:2224 177:4073 178:2529 179:1318 180:2091
181:2362 182:2629 183:1337 184:1136 185:14512 186:3693
187:2536 188:2978 189:2101 190:8281 191:1405 192:9999
193:6473 194:5320 195:4041 196:3018 197:1761 198:5679
199:5986 200:7427 201:5003 202:10228 203:10233 204:4608
205:3009 206:3278 207:3263 208:3929 209:4203 210:3877
211:2019 212:3074 213:2824 214:1067 215:52 216:6008
217:2191 218:874 219:580 220:1835 221:997 222:976
223:1418
End of report
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