[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 9 18:03:20 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 10 Feb, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 683940
Prefixes after maximum aggregation (per Origin AS): 265286
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 330027
Total ASes present in the Internet Routing Table: 59792
Prefixes per ASN: 11.44
Origin-only ASes present in the Internet Routing Table: 51639
Origin ASes announcing only one prefix: 22710
Transit ASes present in the Internet Routing Table: 8153
Transit-only ASes present in the Internet Routing Table: 244
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 35
Max AS path prepend of ASN (262865) 25
Prefixes from unregistered ASNs in the Routing Table: 62
Number of instances of unregistered ASNs: 62
Number of 32-bit ASNs allocated by the RIRs: 21449
Number of 32-bit ASNs visible in the Routing Table: 17216
Prefixes from 32-bit ASNs in the Routing Table: 71349
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 335
Number of addresses announced to Internet: 2858858914
Equivalent to 170 /8s, 102 /16s and 185 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
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: 225953
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 188822
Total APNIC prefixes after maximum aggregation: 53851
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 187878
Unique aggregates announced from the APNIC address blocks: 77445
APNIC Region origin ASes present in the Internet Routing Table: 8634
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 2446
APNIC Region transit ASes present in the Internet Routing Table: 1272
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3536
Number of APNIC addresses announced to Internet: 767608098
Equivalent to 45 /8s, 192 /16s and 197 /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: 204235
Total ARIN prefixes after maximum aggregation: 97874
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 205079
Unique aggregates announced from the ARIN address blocks: 96641
ARIN Region origin ASes present in the Internet Routing Table: 18085
ARIN Prefixes per ASN: 11.34
ARIN Region origin ASes announcing only one prefix: 6696
ARIN Region transit ASes present in the Internet Routing Table: 1799
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: 2308
Number of ARIN addresses announced to Internet: 1109188128
Equivalent to 66 /8s, 28 /16s and 222 /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: 184461
Total RIPE prefixes after maximum aggregation: 90070
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 180786
Unique aggregates announced from the RIPE address blocks: 108513
RIPE Region origin ASes present in the Internet Routing Table: 24866
RIPE Prefixes per ASN: 7.27
RIPE Region origin ASes announcing only one prefix: 11318
RIPE Region transit ASes present in the Internet Routing Table: 3485
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: 6632
Number of RIPE addresses announced to Internet: 713714560
Equivalent to 42 /8s, 138 /16s and 107 /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: 88156
Total LACNIC prefixes after maximum aggregation: 19487
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 89484
Unique aggregates announced from the LACNIC address blocks: 39901
LACNIC Region origin ASes present in the Internet Routing Table: 6824
LACNIC Prefixes per ASN: 13.11
LACNIC Region origin ASes announcing only one prefix: 1886
LACNIC Region transit ASes present in the Internet Routing Table: 1264
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4351
Number of LACNIC addresses announced to Internet: 172348384
Equivalent to 10 /8s, 69 /16s and 211 /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: 18202
Total AfriNIC prefixes after maximum aggregation: 3957
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 20378
Unique aggregates announced from the AfriNIC address blocks: 7260
AfriNIC Region origin ASes present in the Internet Routing Table: 1112
AfriNIC Prefixes per ASN: 18.33
AfriNIC Region origin ASes announcing only one prefix: 363
AfriNIC Region transit ASes present in the Internet Routing Table: 221
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: 389
Number of AfriNIC addresses announced to Internet: 95610624
Equivalent to 5 /8s, 178 /16s and 231 /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 5435 4195 92 ERX-CERNET-BKB China Education and Rese
7545 3781 406 411 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2854 11132 769 KIXS-AS-KR Korea Telecom, KR
9829 2788 1499 539 BSNL-NIB National Internet Backbone, IN
17974 2762 934 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9394 2634 4923 27 CTTNET China TieTong Telecommunications
7552 2611 1161 63 VIETEL-AS-AP Viettel Group, VN
45899 2583 1554 155 VNPT-AS-VN VNPT Corp, VN
9808 2179 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2079 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 3392 1323 86 SHAW - Shaw Communications Inc., CA
22773 3269 2951 143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2086 2386 434 CHARTER-NET-HKY-NC - Charter Communicat
16509 2001 4162 574 AMAZON-02 - Amazon.com, Inc., US
6389 1937 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
209 1933 5059 620 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1912 335 209 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1733 229 564 CABLEONE - CABLE ONE, INC., US
7018 1683 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
20940 2828 822 2049 AKAMAI-ASN1, US
12479 2317 1149 357 UNI2-AS, ES
12389 2104 1859 703 ROSTELECOM-AS, RU
8551 2042 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2003 332 474 TELLCOM-AS, TR
9121 1955 1692 19 TTNET, TR
13188 1606 100 46 TRIOLAN, UA
8402 1265 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1240 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 4154 3380 592 Uninet S.A. de C.V., MX
10620 3590 541 254 Telmex Colombia S.A., CO
11830 2637 370 66 Instituto Costarricense de Electricidad
6503 1618 437 53 Axtel, S.A.B. de C.V., MX
7303 1506 1026 191 Telecom Argentina S.A., AR
6147 1020 377 27 Telefonica del Peru S.A.A., PE
28573 1017 2242 192 CLARO S.A., BR
3816 1015 509 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 920 126 85 Alestra, S. de R.L. de C.V., MX
18881 906 1069 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 1131 398 49 LINKdotNET-AS, EG
37611 797 91 8 Afrihost, ZA
36903 739 371 135 MT-MPLS, MA
36992 675 1380 37 ETISALAT-MISR, EG
8452 584 1730 18 TE-AS TE-AS, EG
24835 505 850 15 RAYA-AS, EG
29571 461 68 12 ORANGE-COTE-IVOIRE, CI
37492 450 368 78 ORANGE-, TN
15399 360 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 5435 4195 92 ERX-CERNET-BKB China Education and Rese
8151 4154 3380 592 Uninet S.A. de C.V., MX
7545 3781 406 411 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3590 541 254 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3392 1323 86 SHAW - Shaw Communications Inc., CA
22773 3269 2951 143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2854 11132 769 KIXS-AS-KR Korea Telecom, KR
20940 2828 822 2049 AKAMAI-ASN1, US
9829 2788 1499 539 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 4154 3562 Uninet S.A. de C.V., MX
39891 3520 3499 ALJAWWALSTC-AS, SA
7545 3781 3370 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3590 3336 Telmex Colombia S.A., CO
6327 3392 3306 SHAW - Shaw Communications Inc., CA
22773 3269 3126 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2762 2685 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9394 2634 2607 CTTNET China TieTong Telecommunications Corpora
11830 2637 2571 Instituto Costarricense de Electricidad y Telec
7552 2611 2548 VIETEL-AS-AP Viettel Group, 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
65249 PRIVATE 5.42.234.0/23 35753 ITC ITC AS number, SA
65249 PRIVATE 5.42.234.0/24 35753 ITC ITC AS number, SA
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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
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
43.251.84.0/23 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 /8:15 /9:12 /10:37 /11:100 /12:290
/13:563 /14:1093 /15:1899 /16:13313 /17:7789 /18:13645
/19:25298 /20:38917 /21:44994 /22:84062 /23:68095 /24:381610
/25:820 /26:600 /27:652 /28:34 /29:20 /30:18
/31:4 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3183 3392 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2533 3269 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1983 2637 Instituto Costarricense de Electricidad y Telec
30036 1669 1912 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1587 3590 Telmex Colombia S.A., CO
11492 1517 1733 CABLEONE - CABLE ONE, INC., US
8551 1505 2042 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9121 1439 1955 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1572 2:845 4:18 5:2652 6:58 8:1098
9:1 12:1851 13:202 14:1757 15:26 16:3
17:184 18:65 20:49 21:3 23:2533 24:2058
25:2 27:2358 31:1958 32:89 35:24 36:489
37:2561 38:1454 39:245 40:101 41:3040 42:538
43:1952 44:95 45:3664 46:3045 47:199 49:1370
50:1040 51:47 52:940 54:352 55:4 56:7
57:42 58:1587 59:1018 60:386 61:2060 62:1796
63:1805 64:4702 65:2224 66:4509 67:2342 68:1179
69:3192 70:1135 71:560 72:2086 74:2685 75:398
76:421 77:1547 78:1676 79:1755 80:1479 81:1406
82:1069 83:777 84:996 85:1995 86:559 87:1241
88:913 89:2330 90:182 91:6280 92:1162 93:2379
94:2395 95:2734 96:645 97:358 98:930 99:118
100:79 101:1516 102:16 103:17120 104:3275 105:218
106:526 107:1792 108:707 109:2694 110:1578 111:1779
112:1313 113:1377 114:1134 115:1621 116:1637 117:1707
118:2200 119:1675 120:962 121:1061 122:2459 123:1805
124:1458 125:1836 128:1006 129:599 130:439 131:1629
132:609 133:193 134:1003 135:227 136:438 137:478
138:1975 139:565 140:401 141:678 142:778 143:984
144:803 145:450 146:1170 147:752 148:1532 149:718
150:738 151:987 152:751 153:311 154:983 155:754
156:832 157:776 158:624 159:1608 160:844 161:723
162:2545 163:525 164:994 165:1365 166:397 167:1390
168:3103 169:799 170:3655 171:412 172:1029 173:1912
174:877 175:766 176:1882 177:3900 178:2409 179:1169
180:2234 181:2128 182:2454 183:1110 184:905 185:12439
186:3434 187:2362 188:2639 189:2005 190:8116 191:1342
192:9766 193:5878 194:4771 195:3991 196:2360 197:1426
198:5531 199:5912 200:7325 201:4882 202:10370 203:9952
204:4537 205:2849 206:3050 207:3118 208:4000 209:3932
210:4016 211:2143 212:2928 213:2612 214:895 215:61
216:5842 217:2126 218:899 219:623 220:1722 221:997
222:1055 223:1239
End of report
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