IPv4 Routing Table Report 09:00 +10GMT Sat 26 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: 874036
Prefixes after maximum aggregation (per Origin AS): 332735
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 427858
Number of IPv4 prefixes with a valid ROA: 302171
Number of IPv4 prefixes with an invalid ROA: 1180
Number of IPv4 prefixes with no ROA: 570685
Total ASes present in the Internet Routing Table: 72679
Prefixes per ASN: 12.03
Origin-only ASes present in the Internet Routing Table: 62491
Origin ASes announcing only one prefix: 25757
Transit ASes present in the Internet Routing Table: 10188
Transit-only ASes present in the Internet Routing Table: 374
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: 868
Number of instances of unregistered ASNs: 871
Number of 32-bit ASNs allocated by the RIRs: 38651
Number of 32-bit ASNs visible in the Routing Table: 32157
Prefixes from 32-bit ASNs in the Routing Table: 149887
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: 500
Number of addresses announced to Internet: 3067065856
Equivalent to 182 /8s, 207 /16s and 182 /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: 292547
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 227755
Total APNIC prefixes after maximum aggregation: 65336
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 222634
Unique aggregates announced from the APNIC address blocks: 94187
APNIC Region origin ASes present in the Internet Routing Table: 12348
APNIC Prefixes per ASN: 18.03
APNIC Region origin ASes announcing only one prefix: 3530
APNIC Region transit ASes present in the Internet Routing Table: 1683
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: 7605
Number of APNIC addresses announced to Internet: 773199360
Equivalent to 46 /8s, 22 /16s and 22 /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: 258037
Total ARIN prefixes after maximum aggregation: 118805
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 258232
Unique aggregates announced from the ARIN address blocks: 123569
ARIN Region origin ASes present in the Internet Routing Table: 18913
ARIN Prefixes per ASN: 13.65
ARIN Region origin ASes announcing only one prefix: 6893
ARIN Region transit ASes present in the Internet Routing Table: 1906
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: 4355
Number of ARIN addresses announced to Internet: 1295364608
Equivalent to 77 /8s, 53 /16s and 178 /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: 246028
Total RIPE prefixes after maximum aggregation: 115357
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 242457
Unique aggregates announced from the RIPE address blocks: 149300
RIPE Region origin ASes present in the Internet Routing Table: 28151
RIPE Prefixes per ASN: 8.61
RIPE Region origin ASes announcing only one prefix: 12106
RIPE Region transit ASes present in the Internet Routing Table: 3941
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: 10644
Number of RIPE addresses announced to Internet: 713863168
Equivalent to 42 /8s, 140 /16s and 176 /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: 113907
Total LACNIC prefixes after maximum aggregation: 27209
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 114593
Unique aggregates announced from the LACNIC address blocks: 48614
LACNIC Region origin ASes present in the Internet Routing Table: 10938
LACNIC Prefixes per ASN: 10.48
LACNIC Region origin ASes announcing only one prefix: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2189
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: 8627
Number of LACNIC addresses announced to Internet: 176603392
Equivalent to 10 /8s, 134 /16s and 193 /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: 27441
Total AfriNIC prefixes after maximum aggregation: 5379
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 35620
Unique aggregates announced from the AfriNIC address blocks: 11751
AfriNIC Region origin ASes present in the Internet Routing Table: 1592
AfriNIC Prefixes per ASN: 22.37
AfriNIC Region origin ASes announcing only one prefix: 556
AfriNIC Region transit ASes present in the Internet Routing Table: 314
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: 926
Number of AfriNIC addresses announced to Internet: 107720448
Equivalent to 6 /8s, 107 /16s and 175 /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 9071 8885 43 CHINAMOBILE-CN China Mobile Communicati
7545 5878 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3610 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3493 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3434 1880 57 VNPT-AS-VN VNPT Corp, VN
9498 2382 475 239 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 6345 10198 2687 AMAZON-02, US
11492 4444 295 737 CABLEONE, US
22773 3951 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 2610 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 6809 1729 149 UNI2-AS, ES
8551 4014 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 1782 929 579 TCI, IR
25019 1765 1078 166 SAUDINETSTC-AS, SA
13188 1610 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 10362 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 1592 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 730 521 39 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 518 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 10362 3417 563 Uninet S.A. de C.V., MX
9808 9071 8885 43 CHINAMOBILE-CN China Mobile Communicati
12479 6809 1729 149 UNI2-AS, ES
16509 6345 10198 2687 AMAZON-02, US
7545 5878 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4444 295 737 CABLEONE, US
8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
22773 3951 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 9071 9028 CHINAMOBILE-CN China Mobile Communications Grou
12479 6809 6660 UNI2-AS, ES
7545 5878 5188 TPG-INTERNET-AP TPG Telecom Limited, AU
8551 4014 3975 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 6345 3658 AMAZON-02, US
22773 3951 3591 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3610 3591 VIETEL-AS-AP Viettel Group, VN
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 /14:1197 /15:2021 /16:13527 /17:8263 /18:13693
/19:24763 /20:42006 /21:50912 /22:106988 /23:93665 /24:515937
/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 5780 6809 UNI2-AS, ES
8151 4027 10362 Uninet S.A. de C.V., MX
8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3358 4444 CABLEONE, US
6327 3201 3388 SHAW, CA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2949 3951 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2810 3274 ALJAWWALSTC-AS, SA
30036 2266 2610 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)
----------------------------------------------
1:1905 2:992 3:151 4:7 5:3773 6:103
7:5 8:1517 11:172 12:1718 13:418 14:2379
15:168 16:42 17:375 18:141 20:166 21:4
22:188 23:5482 24:2290 25:6 27:2616 29:19
31:2426 32:93 34:1 35:62 36:1763 37:3944
38:2594 39:691 40:150 41:3898 42:1059 43:2091
44:295 45:15961 46:3883 47:308 49:1660 50:1900
51:107 52:1369 53:1 54:294 55:770 56:8
57:56 58:1656 59:1105 60:966 61:2285 62:2446
63:1935 64:5501 65:2285 66:4854 67:2942 68:1186
69:4123 70:1343 71:669 72:3057 74:2607 75:1517
76:720 77:2127 78:1814 79:3101 80:1964 81:1519
82:1460 83:1202 84:1321 85:2888 86:724 87:1954
88:1020 89:3231 90:509 91:7541 92:1890 93:2584
94:3276 95:3581 96:1304 97:345 98:990 99:862
100:75 101:1280 102:1960 103:28258 104:4224 105:463
106:854 107:2484 108:774 109:4196 110:2049 111:3232
112:1987 113:1458 114:1496 115:1950 116:1878 117:2506
118:2335 119:1888 120:1634 121:1007 122:2523 123:2088
124:1556 125:2039 128:1249 129:1175 130:908 131:2073
132:748 133:372 134:1921 135:289 136:866 137:859
138:2436 139:1222 140:882 141:1367 142:1257 143:1458
144:1222 145:342 146:1781 147:1455 148:2196 149:1686
150:855 151:1078 152:1829 153:454 154:3529 155:1420
156:1786 157:1231 158:1023 159:2056 160:2410 161:1298
162:3447 163:1220 164:1664 165:1573 166:647 167:1734
168:3681 169:672 170:4406 171:822 172:3032 173:3050
174:1020 175:1139 176:3495 177:4561 178:3106 179:1963
180:2317 181:2923 182:3255 183:1939 184:2389 185:19274
186:4306 187:3572 188:3837 189:3032 190:8827 191:1310
192:11031 193:8517 194:6919 195:4966 196:2884 197:2340
198:5951 199:5969 200:7458 201:5655 202:10123 203:9969
204:4550 205:3363 206:3699 207:3336 208:3992 209:4619
210:4026 211:2342 212:3894 213:3387 214:1160 215:64
216:6388 217:2632 218:1217 219:434 220:1677 221:986
222:687 223:2137
End of report