[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 22 18:02:48 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, 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 23 Dec, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 676712
Prefixes after maximum aggregation (per Origin AS): 263365
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 327650
Total ASes present in the Internet Routing Table: 59421
Prefixes per ASN: 11.39
Origin-only ASes present in the Internet Routing Table: 51300
Origin ASes announcing only one prefix: 22596
Transit ASes present in the Internet Routing Table: 8121
Transit-only ASes present in the Internet Routing Table: 251
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 30
Max AS path prepend of ASN ( 29046) 25
Prefixes from unregistered ASNs in the Routing Table: 79
Number of instances of unregistered ASNs: 79
Number of 32-bit ASNs allocated by the RIRs: 20993
Number of 32-bit ASNs visible in the Routing Table: 16811
Prefixes from 32-bit ASNs in the Routing Table: 69214
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 329
Number of addresses announced to Internet: 2859271842
Equivalent to 170 /8s, 109 /16s and 6 /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: 224135
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 185943
Total APNIC prefixes after maximum aggregation: 53409
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 185047
Unique aggregates announced from the APNIC address blocks: 77442
APNIC Region origin ASes present in the Internet Routing Table: 8547
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 2408
APNIC Region transit ASes present in the Internet Routing Table: 1245
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3421
Number of APNIC addresses announced to Internet: 770053922
Equivalent to 45 /8s, 230 /16s and 23 /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: 202379
Total ARIN prefixes after maximum aggregation: 97452
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 203716
Unique aggregates announced from the ARIN address blocks: 95500
ARIN Region origin ASes present in the Internet Routing Table: 18029
ARIN Prefixes per ASN: 11.30
ARIN Region origin ASes announcing only one prefix: 6674
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: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2281
Number of ARIN addresses announced to Internet: 1106986784
Equivalent to 65 /8s, 251 /16s and 71 /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: 182847
Total RIPE prefixes after maximum aggregation: 89132
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 178751
Unique aggregates announced from the RIPE address blocks: 107603
RIPE Region origin ASes present in the Internet Routing Table: 24765
RIPE Prefixes per ASN: 7.22
RIPE Region origin ASes announcing only one prefix: 11320
RIPE Region transit ASes present in the Internet Routing Table: 3518
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6513
Number of RIPE addresses announced to Internet: 713948800
Equivalent to 42 /8s, 141 /16s and 254 /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: 87520
Total LACNIC prefixes after maximum aggregation: 19386
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 88799
Unique aggregates announced from the LACNIC address blocks: 39619
LACNIC Region origin ASes present in the Internet Routing Table: 6686
LACNIC Prefixes per ASN: 13.28
LACNIC Region origin ASes announcing only one prefix: 1824
LACNIC Region transit ASes present in the Internet Routing Table: 1240
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4209
Number of LACNIC addresses announced to Internet: 172723424
Equivalent to 10 /8s, 75 /16s and 140 /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: 17942
Total AfriNIC prefixes after maximum aggregation: 3926
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 20070
Unique aggregates announced from the AfriNIC address blocks: 7218
AfriNIC Region origin ASes present in the Internet Routing Table: 1113
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 369
AfriNIC Region transit ASes present in the Internet Routing Table: 218
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 387
Number of AfriNIC addresses announced to Internet: 95150080
Equivalent to 5 /8s, 171 /16s and 224 /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 5425 4194 86 ERX-CERNET-BKB China Education and Rese
7545 3271 403 389 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2839 11130 762 KIXS-AS-KR Korea Telecom, KR
17974 2782 918 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2765 1499 540 BSNL-NIB National Internet Backbone, IN
45899 2561 1530 154 VNPT-AS-VN VNPT Corp, VN
7552 2429 1158 56 VIETEL-AS-AP Viettel Group, VN
9394 2168 4923 26 CTTNET China TieTong Telecommunications
9808 2112 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2086 417 211 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 3341 1323 86 SHAW - Shaw Communications Inc., CA
22773 3307 2951 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2169 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2066 2324 465 CHARTER-NET-HKY-NC - Charter Communicat
16509 1985 4081 581 AMAZON-02 - Amazon.com, Inc., US
6389 1960 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
209 1943 5063 648 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1865 332 247 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1700 233 579 CABLEONE - CABLE ONE, INC., US
7018 1670 20197 1242 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 3519 186 23 ALJAWWALSTC-AS, SA
20940 2857 848 2060 AKAMAI-ASN1, US
8551 2480 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2082 1809 683 ROSTELECOM-AS, RU
34984 2043 331 452 TELLCOM-AS, TR
12479 1975 1068 127 UNI2-AS, ES
9121 1932 1691 17 TTNET, TR
13188 1605 100 46 TRIOLAN, UA
6849 1227 355 21 UKRTELNET, UA
8402 1225 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 3651 3467 600 Uninet S.A. de C.V., MX
10620 3578 539 261 Telmex Colombia S.A., CO
11830 2630 370 66 Instituto Costarricense de Electricidad
6503 1617 437 53 Axtel, S.A.B. de C.V., MX
7303 1498 1022 194 Telecom Argentina S.A., AR
6147 1193 377 27 Telefonica del Peru S.A.A., PE
28573 1022 2259 189 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 904 1065 27 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 1196 398 48 LINKdotNET-AS, EG
37611 779 91 8 Afrihost, ZA
36903 737 370 135 MT-MPLS, MA
36992 678 1383 31 ETISALAT-MISR, EG
8452 526 1730 18 TE-AS TE-AS, EG
24835 515 850 15 RAYA-AS, EG
29571 444 36 13 CITelecom-AS, CI
37492 435 367 77 ORANGE-, TN
37342 356 32 1 MOVITEL, MZ
15399 349 35 7 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
4538 5425 4194 86 ERX-CERNET-BKB China Education and Rese
8151 3651 3467 600 Uninet S.A. de C.V., MX
10620 3578 539 261 Telmex Colombia S.A., CO
39891 3519 186 23 ALJAWWALSTC-AS, SA
6327 3341 1323 86 SHAW - Shaw Communications Inc., CA
22773 3307 2951 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3271 403 389 TPG-INTERNET-AP TPG Telecom Limited, AU
20940 2857 848 2060 AKAMAI-ASN1, US
4766 2839 11130 762 KIXS-AS-KR Korea Telecom, KR
17974 2782 918 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
39891 3519 3496 ALJAWWALSTC-AS, SA
10620 3578 3317 Telmex Colombia S.A., CO
6327 3341 3255 SHAW - Shaw Communications Inc., CA
22773 3307 3161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8151 3651 3051 Uninet S.A. de C.V., MX
7545 3271 2882 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2782 2705 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
11830 2630 2564 Instituto Costarricense de Electricidad y Telec
8551 2480 2438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
45899 2561 2407 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
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
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64609 PRIVATE 94.245.126.0/24 6584 MICROSOFT-GP-AS - Microsoft Co
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 /11:99 /12:279
/13:557 /14:1089 /15:1897 /16:13408 /17:7789 /18:13677
/19:25255 /20:38926 /21:44300 /22:82564 /23:66626 /24:377942
/25:836 /26:605 /27:661 /28:36 /29:21 /30:17
/31:4 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3133 3341 SHAW - Shaw Communications Inc., CA
39891 2946 3519 ALJAWWALSTC-AS, SA
22773 2552 3307 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2063 2169 MEGAPATH5-US - MegaPath Corporation, US
11830 1976 2630 Instituto Costarricense de Electricidad y Telec
8551 1944 2480 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1632 1865 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1576 3578 Telmex Colombia S.A., CO
11492 1498 1700 CABLEONE - CABLE ONE, INC., US
9121 1408 1932 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1573 2:826 4:18 5:2640 6:39 8:1094
9:1 12:1854 13:196 14:1759 15:28 16:3
17:185 18:76 20:53 21:12 23:2481 24:1922
25:2 27:2354 31:1963 32:87 35:22 36:455
37:2466 38:1465 39:171 40:101 41:3032 42:535
43:1918 44:89 45:3458 46:2911 47:191 49:1370
50:1052 51:47 52:918 54:355 55:6 56:7
57:43 58:1574 59:1005 60:380 61:1989 62:1761
63:1828 64:4640 65:2242 66:4484 67:2307 68:1192
69:3163 70:1132 71:587 72:2114 74:2695 75:392
76:423 77:1551 78:1608 79:1929 80:1464 81:1418
82:1068 83:764 84:1005 85:1980 86:492 87:1214
88:914 89:2316 90:174 91:6278 92:1032 93:2349
94:2384 95:2708 96:667 97:356 98:961 99:107
100:153 101:1532 102:10 103:16522 104:3197 105:215
106:520 107:1786 108:820 109:2898 110:1540 111:1730
112:1284 113:1389 114:1123 115:1600 116:1663 117:1637
118:2208 119:1651 120:910 121:1059 122:2414 123:1873
124:1484 125:1838 128:959 129:580 130:435 131:1636
132:593 133:193 134:987 135:221 136:449 137:458
138:1984 139:555 140:388 141:681 142:769 143:937
144:793 145:195 146:1146 147:684 148:1487 149:646
150:720 151:1002 152:754 153:306 154:973 155:745
156:744 157:741 158:597 159:1641 160:847 161:734
162:2546 163:533 164:967 165:1478 166:398 167:1349
168:3134 169:789 170:3618 171:402 172:1017 173:1917
174:842 175:771 176:1867 177:3940 178:2496 179:1142
180:2247 181:2137 182:2408 183:1034 184:894 185:11869
186:3454 187:2326 188:2646 189:1941 190:8216 191:1347
192:9720 193:5860 194:4778 195:3992 196:2319 197:1438
198:5535 199:5889 200:7252 201:4895 202:10394 203:9930
204:4560 205:2874 206:3043 207:3108 208:3998 209:3933
210:3989 211:2131 212:2918 213:2615 214:859 215:65
216:5727 217:2112 218:911 219:628 220:1734 221:980
222:743 223:1226
End of report
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