IPv4 Routing Table Report 09:00 +10GMT Mon 28 Feb, 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: 873808
Prefixes after maximum aggregation (per Origin AS): 332898
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 427803
Number of IPv4 prefixes with a valid ROA: 302159
Number of IPv4 prefixes with an invalid ROA: 1179
Number of IPv4 prefixes with no ROA: 570470
Total ASes present in the Internet Routing Table: 72627
Prefixes per ASN: 12.03
Origin-only ASes present in the Internet Routing Table: 62456
Origin ASes announcing only one prefix: 25719
Transit ASes present in the Internet Routing Table: 10171
Transit-only ASes present in the Internet Routing Table: 372
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 56
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 857
Number of instances of unregistered ASNs: 860
Number of 32-bit ASNs allocated by the RIRs: 38680
Number of 32-bit ASNs visible in the Routing Table: 32131
Prefixes from 32-bit ASNs in the Routing Table: 149933
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 497
Number of addresses announced to Internet: 3066627072
Equivalent to 182 /8s, 201 /16s and 4 /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: 292406
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 227768
Total APNIC prefixes after maximum aggregation: 65343
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 222642
Unique aggregates announced from the APNIC address blocks: 94220
APNIC Region origin ASes present in the Internet Routing Table: 12342
APNIC Prefixes per ASN: 18.04
APNIC Region origin ASes announcing only one prefix: 3528
APNIC Region transit ASes present in the Internet Routing Table: 1676
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7603
Number of APNIC addresses announced to Internet: 773210112
Equivalent to 46 /8s, 22 /16s and 64 /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: 258071
Total ARIN prefixes after maximum aggregation: 118849
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 258220
Unique aggregates announced from the ARIN address blocks: 123583
ARIN Region origin ASes present in the Internet Routing Table: 18916
ARIN Prefixes per ASN: 13.65
ARIN Region origin ASes announcing only one prefix: 6896
ARIN Region transit ASes present in the Internet Routing Table: 1902
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4359
Number of ARIN addresses announced to Internet: 1295358720
Equivalent to 77 /8s, 53 /16s and 155 /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: 245818
Total RIPE prefixes after maximum aggregation: 115489
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 242284
Unique aggregates announced from the RIPE address blocks: 149242
RIPE Region origin ASes present in the Internet Routing Table: 28129
RIPE Prefixes per ASN: 8.61
RIPE Region origin ASes announcing only one prefix: 12093
RIPE Region transit ASes present in the Internet Routing Table: 3944
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10633
Number of RIPE addresses announced to Internet: 713820672
Equivalent to 42 /8s, 140 /16s and 10 /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: 113971
Total LACNIC prefixes after maximum aggregation: 27207
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 114653
Unique aggregates announced from the LACNIC address blocks: 48618
LACNIC Region origin ASes present in the Internet Routing Table: 10932
LACNIC Prefixes per ASN: 10.49
LACNIC Region origin ASes announcing only one prefix: 2656
LACNIC Region transit ASes present in the Internet Routing Table: 2183
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8623
Number of LACNIC addresses announced to Internet: 176450560
Equivalent to 10 /8s, 132 /16s and 108 /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: 27323
Total AfriNIC prefixes after maximum aggregation: 5371
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 35512
Unique aggregates announced from the AfriNIC address blocks: 11706
AfriNIC Region origin ASes present in the Internet Routing Table: 1576
AfriNIC Prefixes per ASN: 22.53
AfriNIC Region origin ASes announcing only one prefix: 546
AfriNIC Region transit ASes present in the Internet Routing Table: 313
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 35
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 913
Number of AfriNIC addresses announced to Internet: 107478272
Equivalent to 6 /8s, 103 /16s and 253 /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 9073 8885 43 CHINAMOBILE-CN China Mobile Communicati
7545 5880 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3611 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3493 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3435 1880 57 VNPT-AS-VN VNPT Corp, VN
9498 2380 475 238 BBIL-AP BHARTI Airtel Ltd., IN
4766 2288 11120 606 KIXS-AS-KR Korea Telecom, KR
45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2113 429 199 TATACOMM-AS TATA Communications formerl
24560 2049 856 364 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 6338 10196 2690 AMAZON-02, US
11492 4444 295 737 CABLEONE, US
22773 3950 3024 360 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3895 263 26 VIASAT-SP-BACKBONE, US
16625 3667 1893 2577 AKAMAI-AS, US
6327 3388 1318 61 SHAW, CA
749 2887 50780 2143 DNIC-AS-00749, US
30036 2611 374 156 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2523 4962 430 CENTURYLINK-US-LEGACY-QWEST, US
20115 2261 3042 499 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 6808 1729 149 UNI2-AS, ES
8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3911 3360 192 AKAMAI-ASN1, NL
39891 3274 188 25 ALJAWWALSTC-AS, SA
12389 2911 2290 909 ROSTELECOM-AS, RU
9009 2465 249 1284 M247, GB
34984 2235 358 606 TELLCOM-AS, TR
58224 1796 931 596 TCI, IR
25019 1697 1074 165 SAUDINETSTC-AS, SA
13188 1564 97 144 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 10361 3417 563 Uninet S.A. de C.V., MX
10620 3472 520 695 Telmex Colombia S.A., CO
11830 2459 369 62 Instituto Costarricense de Electricidad
13999 1689 288 471 Mega Cable, S.A. de C.V., MX
6503 1442 355 525 Axtel, S.A.B. de C.V., MX
28573 1383 2332 247 CLARO S.A., BR
3816 1251 662 144 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
26615 1149 2350 139 TIM SA, BR
6147 1091 369 21 Telefonica del Peru S.A.A., PE
11664 1004 191 447 Techtel LMDS Comunicaciones Interactiva
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 1591 393 21 LINKdotNET-AS, EG
24835 1545 523 32 RAYA-AS, EG
36992 1301 1518 262 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 903 64 62 ORANGE-COTE-IVOIRE, CI
36935 731 521 39 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 520 51 34 WANANCHI-, KE
37342 469 32 1 MOVITEL, MZ
23889 418 232 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 10361 3417 563 Uninet S.A. de C.V., MX
9808 9073 8885 43 CHINAMOBILE-CN China Mobile Communicati
12479 6808 1729 149 UNI2-AS, ES
16509 6338 10196 2690 AMAZON-02, US
7545 5880 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4444 295 737 CABLEONE, US
8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
22773 3950 3024 360 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3911 3360 192 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 9073 9030 CHINAMOBILE-CN China Mobile Communications Grou
12479 6808 6659 UNI2-AS, ES
7545 5880 5190 TPG-INTERNET-AP TPG Telecom Limited, AU
8551 4015 3976 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3895 3869 VIASAT-SP-BACKBONE, US
20940 3911 3719 AKAMAI-ASN1, NL
11492 4444 3707 CABLEONE, US
16509 6338 3648 AMAZON-02, US
7552 3611 3592 VIETEL-AS-AP Viettel Group, VN
22773 3950 3590 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
46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, 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
17033 UNALLOCATED 8.48.225.0/24 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
23.252.160.0/24 Origin: 398968 GROUP-IID-01, US
23.252.160.0/24 Transit: 174 COGENT-174, US
23.252.161.0/24 Origin: 398968 GROUP-IID-01, US
23.252.161.0/24 Transit: 174 COGENT-174, US
23.252.163.0/24 Origin: 398968 GROUP-IID-01, US
23.252.163.0/24 Transit: 174 COGENT-174, US
23.252.164.0/24 Origin: 398968 GROUP-IID-01, US
23.252.164.0/24 Transit: 174 COGENT-174, US
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 /12:301
/13:589 /14:1196 /15:2021 /16:13523 /17:8257 /18:13695
/19:24755 /20:41998 /21:50913 /22:106949 /23:93687 /24:515750
/25:0 /26:1 /27:0 /28:0 /29:1 /30:4
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 5779 6808 UNI2-AS, ES
8151 4027 10361 Uninet S.A. de C.V., MX
8551 3480 4015 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3358 4444 CABLEONE, US
6327 3201 3388 SHAW, CA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2948 3950 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2810 3274 ALJAWWALSTC-AS, SA
30036 2267 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 1954 3472 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/singapore/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1908 2:992 3:151 4:7 5:3770 6:103
7:5 8:1518 11:172 12:1715 13:414 14:2380
15:168 16:42 17:375 18:141 20:166 21:4
22:188 23:5485 24:2289 25:6 27:2614 29:19
31:2421 32:93 34:1 35:62 36:1758 37:3940
38:2594 39:693 40:150 41:3859 42:1059 43:2092
44:295 45:15968 46:3880 47:308 49:1654 50:1902
51:107 52:1368 53:1 54:294 55:767 56:8
57:56 58:1659 59:1105 60:967 61:2286 62:2439
63:1934 64:5500 65:2287 66:4855 67:2942 68:1186
69:4124 70:1343 71:670 72:3057 74:2608 75:1516
76:720 77:2126 78:1815 79:3104 80:1967 81:1520
82:1459 83:1202 84:1322 85:2890 86:724 87:1949
88:1020 89:3228 90:509 91:7536 92:1891 93:2589
94:3273 95:3580 96:1304 97:345 98:990 99:862
100:75 101:1279 102:1944 103:28254 104:4227 105:443
106:852 107:2485 108:775 109:4182 110:2055 111:3230
112:1987 113:1458 114:1494 115:1950 116:1878 117:2514
118:2332 119:1888 120:1634 121:1006 122:2524 123:2086
124:1556 125:2038 128:1249 129:1175 130:909 131:2073
132:748 133:372 134:1922 135:289 136:866 137:863
138:2441 139:1221 140:879 141:1369 142:1256 143:1456
144:1225 145:341 146:1777 147:1455 148:2192 149:1683
150:855 151:1078 152:1829 153:455 154:3536 155:1355
156:1787 157:1235 158:1023 159:2057 160:2404 161:1296
162:3444 163:1222 164:1665 165:1573 166:652 167:1731
168:3685 169:675 170:4402 171:822 172:3032 173:3049
174:1019 175:1139 176:3491 177:4565 178:3084 179:1967
180:2315 181:2920 182:3254 183:1939 184:2388 185:19275
186:4309 187:3570 188:3839 189:3033 190:8827 191:1308
192:11027 193:8518 194:6916 195:4959 196:2903 197:2353
198:5950 199:5968 200:7470 201:5658 202:10131 203:9965
204:4546 205:3374 206:3697 207:3320 208:3995 209:4615
210:3997 211:2342 212:3899 213:3374 214:1158 215:64
216:6403 217:2630 218:1221 219:434 220:1678 221:986
222:688 223:2135
End of report
