IPv4 Routing Table Report 09:00 +10GMT Sun 27 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: 873883
Prefixes after maximum aggregation (per Origin AS): 332612
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 427759
Number of IPv4 prefixes with a valid ROA: 302118
Number of IPv4 prefixes with an invalid ROA: 1192
Number of IPv4 prefixes with no ROA: 570573
Total ASes present in the Internet Routing Table: 72633
Prefixes per ASN: 12.03
Origin-only ASes present in the Internet Routing Table: 62452
Origin ASes announcing only one prefix: 25727
Transit ASes present in the Internet Routing Table: 10181
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: 864
Number of instances of unregistered ASNs: 867
Number of 32-bit ASNs allocated by the RIRs: 38665
Number of 32-bit ASNs visible in the Routing Table: 32138
Prefixes from 32-bit ASNs in the Routing Table: 149916
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: 505
Number of addresses announced to Internet: 3066918144
Equivalent to 182 /8s, 205 /16s and 117 /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: 292477
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 227795
Total APNIC prefixes after maximum aggregation: 65318
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 222660
Unique aggregates announced from the APNIC address blocks: 94194
APNIC Region origin ASes present in the Internet Routing Table: 12341
APNIC Prefixes per ASN: 18.04
APNIC Region origin ASes announcing only one prefix: 3526
APNIC Region transit ASes present in the Internet Routing Table: 1679
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: 7602
Number of APNIC addresses announced to Internet: 773207296
Equivalent to 46 /8s, 22 /16s and 53 /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: 257945
Total ARIN prefixes after maximum aggregation: 118745
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 258091
Unique aggregates announced from the ARIN address blocks: 123546
ARIN Region origin ASes present in the Internet Routing Table: 18910
ARIN Prefixes per ASN: 13.65
ARIN Region origin ASes announcing only one prefix: 6894
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: 4353
Number of ARIN addresses announced to Internet: 1295354368
Equivalent to 77 /8s, 53 /16s and 138 /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: 245856
Total RIPE prefixes after maximum aggregation: 115317
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 242327
Unique aggregates announced from the RIPE address blocks: 149207
RIPE Region origin ASes present in the Internet Routing Table: 28128
RIPE Prefixes per ASN: 8.62
RIPE Region origin ASes announcing only one prefix: 12092
RIPE Region transit ASes present in the Internet Routing Table: 3940
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: 10637
Number of RIPE addresses announced to Internet: 713755136
Equivalent to 42 /8s, 139 /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: 113895
Total LACNIC prefixes after maximum aggregation: 27201
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 114585
Unique aggregates announced from the LACNIC address blocks: 48611
LACNIC Region origin ASes present in the Internet Routing Table: 10932
LACNIC Prefixes per ASN: 10.48
LACNIC Region origin ASes announcing only one prefix: 2665
LACNIC Region transit ASes present in the Internet Routing Table: 2184
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: 176572160
Equivalent to 10 /8s, 134 /16s and 71 /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: 27528
Total AfriNIC prefixes after maximum aggregation: 5385
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 35715
Unique aggregates announced from the AfriNIC address blocks: 11759
AfriNIC Region origin ASes present in the Internet Routing Table: 1589
AfriNIC Prefixes per ASN: 22.48
AfriNIC Region origin ASes announcing only one prefix: 550
AfriNIC Region transit ASes present in the Internet Routing Table: 317
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: 923
Number of AfriNIC addresses announced to Internet: 107713024
Equivalent to 6 /8s, 107 /16s and 146 /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 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 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 6329 10195 2677 AMAZON-02, US
11492 4444 295 737 CABLEONE, US
22773 3948 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 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 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 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 613 1863 34 IAM-AS, MA
15399 507 50 30 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 9071 8885 43 CHINAMOBILE-CN China Mobile Communicati
12479 6809 1729 149 UNI2-AS, ES
16509 6329 10195 2677 AMAZON-02, US
7545 5880 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 3948 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 5880 5190 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 6329 3652 AMAZON-02, US
7552 3611 3592 VIETEL-AS-AP Viettel Group, VN
22773 3948 3588 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
23.132.120.0/24 Origin: 400473 AS-JENCO, US
23.132.120.0/24 Transit: 397095 SETSONLLC, US
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
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 /16:13527 /17:8262 /18:13697
/19:24760 /20:42001 /21:50895 /22:106952 /23:93671 /24:515837
/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 10361 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 2946 3948 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)
----------------------------------------------
1:1901 2:992 3:151 4:7 5:3771 6:103
7:5 8:1517 11:172 12:1715 13:414 14:2378
15:168 16:42 17:375 18:142 20:166 21:4
22:188 23:5486 24:2289 25:6 27:2615 29:19
31:2422 32:93 34:1 35:62 36:1762 37:3945
38:2594 39:691 40:150 41:3891 42:1067 43:2093
44:295 45:15962 46:3876 47:307 49:1660 50:1901
51:107 52:1365 53:1 54:294 55:769 56:8
57:56 58:1658 59:1105 60:966 61:2286 62:2441
63:1935 64:5495 65:2287 66:4854 67:2939 68:1186
69:4122 70:1343 71:670 72:3057 74:2608 75:1516
76:719 77:2126 78:1815 79:3101 80:1966 81:1522
82:1461 83:1202 84:1324 85:2891 86:724 87:1953
88:1021 89:3230 90:509 91:7528 92:1890 93:2583
94:3276 95:3580 96:1304 97:346 98:990 99:861
100:75 101:1280 102:1962 103:28257 104:4250 105:463
106:851 107:2484 108:775 109:4191 110:2057 111:3230
112:1987 113:1455 114:1494 115:1950 116:1876 117:2514
118:2333 119:1888 120:1634 121:1006 122:2522 123:2086
124:1551 125:2038 128:1249 129:1175 130:906 131:2055
132:748 133:372 134:1921 135:289 136:866 137:861
138:2437 139:1221 140:882 141:1361 142:1256 143:1448
144:1224 145:342 146:1775 147:1454 148:2196 149:1687
150:855 151:1078 152:1829 153:454 154:3539 155:1420
156:1787 157:1235 158:1023 159:2064 160:2406 161:1296
162:3446 163:1221 164:1663 165:1573 166:649 167:1730
168:3686 169:677 170:4397 171:822 172:3032 173:3049
174:1019 175:1139 176:3495 177:4562 178:3110 179:1962
180:2307 181:2911 182:3256 183:1939 184:2388 185:19280
186:4307 187:3572 188:3839 189:3033 190:8820 191:1312
192:11025 193:8516 194:6916 195:4954 196:2925 197:2364
198:5946 199:5946 200:7467 201:5658 202:10136 203:9961
204:4542 205:3359 206:3698 207:3319 208:3995 209:4615
210:4026 211:2342 212:3863 213:3376 214:1154 215:64
216:6393 217:2633 218:1221 219:432 220:1678 221:986
222:688 223:2135
End of report