IPv4 R&E Routing Table Report 23:05 GMT Wed 02 Nov, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 897409 Prefixes after maximum aggregation (per Origin AS): 341751 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440835 Number of IPv4 prefixes with a valid ROA: 359063 Number of IPv4 prefixes with an invalid ROA: 1109 Number of IPv4 prefixes with no ROA: 537234 Total ASes present in the Internet Routing Table: 73594 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63275 Origin ASes announcing only one prefix: 26007 Transit ASes present in the Internet Routing Table: 10319 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1014 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 40550 Number of 32-bit ASNs visible in the Routing Table: 33557 Prefixes from 32-bit ASNs in the Routing Table: 162075 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: 499 Number of addresses announced to Internet: 3064814080 Equivalent to 182 /8s, 173 /16s and 90 /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: 99.6 Total number of prefixes smaller than registry allocations: 301901 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231819 Total APNIC prefixes after maximum aggregation: 67317 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 226778 Unique aggregates announced from the APNIC address blocks: 96786 APNIC Region origin ASes present in the Internet Routing Table: 12981 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3742 APNIC Region transit ASes present in the Internet Routing Table: 1745 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8284 Number of APNIC addresses announced to Internet: 773270272 Equivalent to 46 /8s, 23 /16s and 43 /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: 265687 Total ARIN prefixes after maximum aggregation: 121023 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267152 Unique aggregates announced from the ARIN address blocks: 128862 ARIN Region origin ASes present in the Internet Routing Table: 19013 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1866 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4649 Number of ARIN addresses announced to Internet: 1290922496 Equivalent to 76 /8s, 241 /16s and 234 /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: 253660 Total RIPE prefixes after maximum aggregation: 119142 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250457 Unique aggregates announced from the RIPE address blocks: 154427 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11994 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10849 Number of RIPE addresses announced to Internet: 716374784 Equivalent to 42 /8s, 179 /16s and 3 /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: 116407 Total LACNIC prefixes after maximum aggregation: 27907 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115814 Unique aggregates announced from the LACNIC address blocks: 48422 LACNIC Region origin ASes present in the Internet Routing Table: 10983 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2705 LACNIC Region transit ASes present in the Internet Routing Table: 2234 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8748 Number of LACNIC addresses announced to Internet: 175923200 Equivalent to 10 /8s, 124 /16s and 96 /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: 28822 Total AfriNIC prefixes after maximum aggregation: 5605 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36709 Unique aggregates announced from the AfriNIC address blocks: 11920 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1027 Number of AfriNIC addresses announced to Internet: 108039936 Equivalent to 6 /8s, 112 /16s and 143 /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 9076 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3391 1877 66 VNPT-AS-VN VNPT Corp, VN 4766 2285 11250 594 KIXS-AS-KR Korea Telecom, KR 9498 2274 491 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2252 851 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2156 440 214 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7530 10606 2892 AMAZON-02, US 11492 4600 305 549 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3754 3061 338 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3553 1856 2541 AKAMAI-AS, US 6327 3517 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2640 24149 1594 ATT-INTERNET4, US 30036 2599 371 285 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2560 3480 351 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6919 1730 144 UNI2-AS, ES 20940 4101 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2624 252 1348 M247, RO 6849 2399 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1771 929 542 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10708 3339 612 Uninet S.A. de C.V., MX 10620 3469 510 839 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2097 341 547 Mega Cable, S.A. de C.V., MX 28573 1331 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1111 183 472 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 992 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1575 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1353 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 816 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 530 53 42 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10708 3339 612 Uninet S.A. de C.V., MX 9808 9076 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7530 10606 2892 AMAZON-02, US 12479 6919 1730 144 UNI2-AS, ES 7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4600 305 549 CABLEONE, US 20940 4101 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 265 32 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9076 9029 CHINAMOBILE-CN China Mobile Communications Grou 12479 6919 6775 UNI2-AS, ES 7545 5942 5246 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7530 4638 AMAZON-02, US 11492 4600 4051 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4101 3927 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3616 3596 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.232.0/24 Origin: 54041 EVAN-PRATTEN, CA 23.142.232.0/24 Transit: 20473 AS-CHOOPA, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 Complete listing at https://bgp.nsrc.org/REN/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 /10:38 /11:100 /12:295 /13:586 /14:1197 /15:2077 /16:13488 /17:8280 /18:13850 /19:24792 /20:43031 /21:50731 /22:108509 /23:96081 /24:534318 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5924 6919 UNI2-AS, ES 8151 4699 10708 Uninet S.A. de C.V., MX 11492 3507 4600 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3325 3517 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2781 3754 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2259 2399 UKRTELNET, UA 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1014 3:167 4:5 5:4012 6:117 7:5 8:1558 9:1 11:173 12:1621 13:353 14:2371 15:280 16:69 17:359 18:367 20:235 21:4 22:188 23:5982 24:2458 25:6 27:2703 29:19 31:2470 32:90 34:7 35:93 36:1811 37:4496 38:3723 39:770 40:144 41:3937 42:1169 43:2217 44:303 45:16259 46:4183 47:367 49:1699 50:1912 51:244 52:1497 54:398 55:847 56:8 57:79 58:1720 59:1088 60:996 61:2334 62:2580 63:1957 64:5615 65:2325 66:4826 67:2997 68:1381 69:4134 70:1294 71:678 72:2992 74:2637 75:1473 76:597 77:2217 78:1825 79:3145 80:2043 81:1666 82:1504 83:1217 84:1431 85:2945 86:715 87:1914 88:1167 89:3427 90:549 91:7591 92:2041 93:2547 94:3536 95:3870 96:1348 97:348 98:1171 99:738 100:69 101:1299 102:2389 103:30255 104:4516 105:477 106:892 107:2534 108:897 109:4317 110:2010 111:3276 112:2044 113:1490 114:1517 115:1984 116:1867 117:2466 118:2317 119:1835 120:1677 121:1017 122:2556 123:2106 124:1493 125:2113 128:1207 129:968 130:966 131:2007 132:829 133:378 134:1907 135:288 136:883 137:907 138:2503 139:1509 140:1118 141:1476 142:1383 143:1403 144:1196 145:354 146:1863 147:1521 148:2246 149:1840 150:873 151:1131 152:1946 153:469 154:3821 155:1436 156:1614 157:1291 158:1033 159:2203 160:2568 161:1382 162:3496 163:1422 164:1675 165:1649 166:808 167:1724 168:3791 169:900 170:4541 171:845 172:3464 173:3100 174:1036 175:1168 176:3559 177:4768 178:3513 179:2124 180:2370 181:3334 182:3076 183:1939 184:2360 185:19851 186:4550 187:3964 188:4034 189:3400 190:8954 191:1423 192:10973 193:8724 194:7158 195:5060 196:2999 197:2461 198:5933 199:6046 200:7523 201:5801 202:10119 203:10023 204:4580 205:3470 206:3838 207:3365 208:4075 209:4768 210:4122 211:2330 212:4002 213:3617 214:1091 215:53 216:6515 217:2623 218:1266 219:406 220:1788 221:922 222:660 223:1978 End of report