IPv4 Routing Table Report 09:00 +10GMT Tue 29 Mar, 2022
BGP Table (Global) as seen in Singapore.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/singapore/
Analysis Summary
----------------
BGP routing table entries examined: 878544
Prefixes after maximum aggregation (per Origin AS): 333834
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 428221
Number of IPv4 prefixes with a valid ROA: 310955
Number of IPv4 prefixes with an invalid ROA: 1207
Number of IPv4 prefixes with no ROA: 566382
Total ASes present in the Internet Routing Table: 72683
Prefixes per ASN: 12.09
Origin-only ASes present in the Internet Routing Table: 62381
Origin ASes announcing only one prefix: 25650
Transit ASes present in the Internet Routing Table: 10302
Transit-only ASes present in the Internet Routing Table: 380
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 65
Max AS path prepend of ASN (267602) 58
Prefixes from unregistered ASNs in the Routing Table: 845
Number of instances of unregistered ASNs: 850
Number of 32-bit ASNs allocated by the RIRs: 38917
Number of 32-bit ASNs visible in the Routing Table: 32297
Prefixes from 32-bit ASNs in the Routing Table: 151513
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: 452
Number of addresses announced to Internet: 3067145984
Equivalent to 182 /8s, 208 /16s and 239 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 294870
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 228112
Total APNIC prefixes after maximum aggregation: 65614
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 223153
Unique aggregates announced from the APNIC address blocks: 93950
APNIC Region origin ASes present in the Internet Routing Table: 12398
APNIC Prefixes per ASN: 18.00
APNIC Region origin ASes announcing only one prefix: 3519
APNIC Region transit ASes present in the Internet Routing Table: 1699
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7660
Number of APNIC addresses announced to Internet: 773221376
Equivalent to 46 /8s, 22 /16s and 108 /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, 131072-151865
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: 259416
Total ARIN prefixes after maximum aggregation: 119206
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 259396
Unique aggregates announced from the ARIN address blocks: 123926
ARIN Region origin ASes present in the Internet Routing Table: 18917
ARIN Prefixes per ASN: 13.71
ARIN Region origin ASes announcing only one prefix: 6898
ARIN Region transit ASes present in the Internet Routing Table: 1885
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4398
Number of ARIN addresses announced to Internet: 1295560960
Equivalent to 77 /8s, 56 /16s and 177 /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, 393216-401308
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, 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: 248344
Total RIPE prefixes after maximum aggregation: 115703
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 245655
Unique aggregates announced from the RIPE address blocks: 150192
RIPE Region origin ASes present in the Internet Routing Table: 28079
RIPE Prefixes per ASN: 8.75
RIPE Region origin ASes announcing only one prefix: 12036
RIPE Region transit ASes present in the Internet Routing Table: 4009
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10657
Number of RIPE addresses announced to Internet: 714158336
Equivalent to 42 /8s, 145 /16s and 49 /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
196608-213403
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: 114187
Total LACNIC prefixes after maximum aggregation: 27259
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 114156
Unique aggregates announced from the LACNIC address blocks: 48229
LACNIC Region origin ASes present in the Internet Routing Table: 10937
LACNIC Prefixes per ASN: 10.44
LACNIC Region origin ASes announcing only one prefix: 2639
LACNIC Region transit ASes present in the Internet Routing Table: 2209
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 65
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8638
Number of LACNIC addresses announced to Internet: 176295680
Equivalent to 10 /8s, 130 /16s and 15 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 27640
Total AfriNIC prefixes after maximum aggregation: 5423
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 35732
Unique aggregates announced from the AfriNIC address blocks: 11541
AfriNIC Region origin ASes present in the Internet Routing Table: 1609
AfriNIC Prefixes per ASN: 22.21
AfriNIC Region origin ASes announcing only one prefix: 558
AfriNIC Region transit ASes present in the Internet Routing Table: 327
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 35
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 944
Number of AfriNIC addresses announced to Internet: 107656448
Equivalent to 6 /8s, 106 /16s and 181 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
9808 9136 8883 41 CHINAMOBILE-CN China Mobile Communicati
7545 5902 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3621 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3497 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3434 1880 56 VNPT-AS-VN VNPT Corp, VN
9498 2390 491 238 BBIL-AP BHARTI Airtel Ltd., IN
4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR
4755 2112 429 195 TATACOMM-AS TATA Communications formerl
45090 2104 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2046 855 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
Complete listing at https://thyme.apnic.net/singapore/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6178 10248 2654 AMAZON-02, US
11492 4454 295 712 CABLEONE, US
22773 3936 3056 359 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3895 263 26 VIASAT-SP-BACKBONE, US
16625 3657 1886 2568 AKAMAI-AS, US
6327 3417 1318 61 SHAW, CA
749 2882 50780 2138 DNIC-AS-00749, US
30036 2610 373 168 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2525 4962 426 CENTURYLINK-US-LEGACY-QWEST, US
20115 2255 3042 495 CHARTER-20115, US
Complete listing at https://thyme.apnic.net/singapore/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6832 1730 149 UNI2-AS, ES
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3908 3360 191 AKAMAI-ASN1, NL
39891 3819 220 34 ALJAWWALSTC-AS, SA
12389 2908 2274 908 ROSTELECOM-AS, RU
6849 2674 355 21 UKRTELNET, UA
9009 2467 248 1289 M247, GB
34984 2199 355 622 TELLCOM-AS, TR
58224 1801 931 595 TCI, IR
13188 1607 100 27 TRIOLAN, UA
Complete listing at https://thyme.apnic.net/singapore/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10491 3405 555 Uninet S.A. de C.V., MX
10620 3474 519 716 Telmex Colombia S.A., CO
11830 2430 369 62 Instituto Costarricense de Electricidad
13999 1725 293 473 Mega Cable, S.A. de C.V., MX
6503 1447 355 525 Axtel, S.A.B. de C.V., MX
28573 1385 2332 253 CLARO S.A., BR
3816 1253 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1086 369 21 Telefonica del Peru S.A.A., PE
11664 1008 192 449 Techtel LMDS Comunicaciones Interactiva
11172 956 133 63 Alestra, S. de R.L. de C.V., MX
Complete listing at https://thyme.apnic.net/singapore/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1585 393 21 LINKdotNET-AS, EG
24835 1518 515 32 RAYA-AS, EG
36992 1300 1518 261 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 912 64 63 ORANGE-COTE-IVOIRE, CI
6713 613 1863 34 IAM-AS, MA
36935 562 520 43 Vodafone-, EG
15399 514 51 34 WANANCHI-, KE
37342 469 32 1 MOVITEL, MZ
23889 421 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/singapore/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10491 3405 555 Uninet S.A. de C.V., MX
9808 9136 8883 41 CHINAMOBILE-CN China Mobile Communicati
12479 6832 1730 149 UNI2-AS, ES
16509 6178 10248 2654 AMAZON-02, US
7545 5902 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4454 295 712 CABLEONE, US
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
22773 3936 3056 359 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3908 3360 191 AKAMAI-ASN1, NL
7155 3895 263 26 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/singapore/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9136 9095 CHINAMOBILE-CN China Mobile Communications Grou
12479 6832 6683 UNI2-AS, ES
7545 5902 5207 TPG-INTERNET-AP TPG Telecom Limited, AU
8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3895 3869 VIASAT-SP-BACKBONE, US
39891 3819 3785 ALJAWWALSTC-AS, SA
11492 4454 3742 CABLEONE, US
20940 3908 3717 AKAMAI-ASN1, NL
7552 3621 3602 VIETEL-AS-AP Viettel Group, VN
22773 3936 3577 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at https://thyme.apnic.net/singapore/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US
32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/singapore/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.apnic.net/singapore/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 /8:16 /9:13 /10:39 /11:100 /12:303
/13:586 /14:1196 /15:2089 /16:13523 /17:8249 /18:13728
/19:24808 /20:42191 /21:50765 /22:106944 /23:93794 /24:520192
/25:0 /26:1 /27:0 /28:0 /29:1 /30:4
/31:0 /32:2
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 5812 6832 UNI2-AS, ES
8151 4148 10491 Uninet S.A. de C.V., MX
8551 3475 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3364 4454 CABLEONE, US
6327 3230 3417 SHAW, CA
39891 3131 3819 ALJAWWALSTC-AS, SA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2937 3936 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2529 2674 UKRTELNET, UA
30036 2265 2610 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1907 2:1044 3:154 4:7 5:3781 6:112
7:5 8:1525 11:172 12:1712 13:285 14:2376
15:185 16:43 17:380 18:145 20:194 21:4
22:188 23:5544 24:2273 25:4 27:2605 29:19
31:2421 32:93 34:1 35:66 36:1774 37:4375
38:2681 39:710 40:150 41:3927 42:1090 43:2147
44:289 45:16064 46:4109 47:318 49:1648 50:1925
51:107 52:1406 53:1 54:362 55:806 56:8
57:59 58:1700 59:1110 60:955 61:2260 62:2463
63:1938 64:5503 65:2302 66:4810 67:2974 68:1180
69:4146 70:1344 71:658 72:3051 74:2660 75:1388
76:589 77:2136 78:1839 79:3105 80:1973 81:1558
82:1471 83:1206 84:1321 85:2886 86:713 87:1969
88:1058 89:3234 90:522 91:7613 92:1967 93:2598
94:3463 95:3827 96:1305 97:347 98:993 99:865
100:75 101:1276 102:2007 103:28612 104:4300 105:464
106:853 107:2499 108:795 109:4218 110:2052 111:3243
112:2003 113:1457 114:1476 115:1949 116:1875 117:2519
118:2329 119:1886 120:1654 121:1010 122:2514 123:2091
124:1554 125:2046 128:1143 129:1204 130:902 131:2075
132:783 133:373 134:1922 135:290 136:877 137:871
138:2419 139:1493 140:1109 141:1367 142:1273 143:1486
144:1240 145:344 146:1771 147:1452 148:2205 149:1694
150:851 151:1081 152:1828 153:458 154:3489 155:1427
156:1791 157:1233 158:1030 159:2085 160:2433 161:1318
162:3456 163:1230 164:1656 165:1622 166:680 167:1746
168:3731 169:697 170:4424 171:815 172:3069 173:3063
174:1020 175:1143 176:3488 177:4571 178:3418 179:1999
180:2319 181:2936 182:3198 183:1950 184:2383 185:19433
186:4364 187:3642 188:3863 189:3097 190:8900 191:1298
192:11003 193:8544 194:6942 195:4948 196:2959 197:2382
198:5961 199:6002 200:7469 201:5641 202:10192 203:9955
204:4542 205:3371 206:3679 207:3338 208:4024 209:4627
210:4041 211:2337 212:3960 213:3390 214:1161 215:67
216:6421 217:2647 218:1236 219:433 220:1677 221:978
222:675 223:2104
End of report