IPv4 R&E Routing Table Report 23:05 GMT Thu 24 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: 899625 Prefixes after maximum aggregation (per Origin AS): 342458 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441948 Number of IPv4 prefixes with a valid ROA: 363072 Number of IPv4 prefixes with an invalid ROA: 1633 Number of IPv4 prefixes with no ROA: 534920 Total ASes present in the Internet Routing Table: 73555 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63221 Origin ASes announcing only one prefix: 25927 Transit ASes present in the Internet Routing Table: 10334 Transit-only ASes present in the Internet Routing Table: 415 Paths with bogon ASNs present in the IPv4 Routing Table: 50 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: 980 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 40709 Number of 32-bit ASNs visible in the Routing Table: 33645 Prefixes from 32-bit ASNs in the Routing Table: 163831 Number of bogon 32-bit ASNs visible in the Routing Table: 44 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3061804288 Equivalent to 182 /8s, 127 /16s and 109 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 302260 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233020 Total APNIC prefixes after maximum aggregation: 67587 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227959 Unique aggregates announced from the APNIC address blocks: 97100 APNIC Region origin ASes present in the Internet Routing Table: 13037 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3779 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8348 Number of APNIC addresses announced to Internet: 773100032 Equivalent to 46 /8s, 20 /16s and 146 /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: 266128 Total ARIN prefixes after maximum aggregation: 121141 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267694 Unique aggregates announced from the ARIN address blocks: 129354 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1876 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: 4670 Number of ARIN addresses announced to Internet: 1288683520 Equivalent to 76 /8s, 207 /16s and 192 /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: 253618 Total RIPE prefixes after maximum aggregation: 119196 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250254 Unique aggregates announced from the RIPE address blocks: 154157 RIPE Region origin ASes present in the Internet Routing Table: 28002 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 11899 RIPE Region transit ASes present in the Internet Routing Table: 3953 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10836 Number of RIPE addresses announced to Internet: 715892480 Equivalent to 42 /8s, 171 /16s and 167 /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: 117018 Total LACNIC prefixes after maximum aggregation: 28136 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116364 Unique aggregates announced from the LACNIC address blocks: 48899 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 8754 Number of LACNIC addresses announced to Internet: 175722496 Equivalent to 10 /8s, 121 /16s and 80 /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: 28861 Total AfriNIC prefixes after maximum aggregation: 5654 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36843 Unique aggregates announced from the AfriNIC address blocks: 12013 AfriNIC Region origin ASes present in the Internet Routing Table: 1711 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1037 Number of AfriNIC addresses announced to Internet: 108117760 Equivalent to 6 /8s, 113 /16s and 191 /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 9130 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5950 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1874 89 VNPT-AS-VN VNPT Corp, VN 9498 2545 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2301 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2291 11250 595 KIXS-AS-KR Korea Telecom, KR 4755 2160 440 215 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 7653 10621 2901 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3728 3062 328 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3581 1873 2567 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2591 24060 1555 ATT-INTERNET4, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6950 1730 144 UNI2-AS, ES 20940 4096 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2651 253 1361 M247, RO 34984 2245 357 610 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1772 929 542 TCI, IR 13188 1476 92 171 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 10883 3347 598 Uninet S.A. de C.V., MX 10620 3455 506 852 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2124 347 549 Mega Cable, S.A. de C.V., MX 28573 1332 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1127 182 480 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 988 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 24835 1545 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 40 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 530 54 45 WANANCHI-, KE 37342 441 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 10883 3347 598 Uninet S.A. de C.V., MX 9808 9130 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7653 10621 2901 AMAZON-02, US 12479 6950 1730 144 UNI2-AS, ES 7545 5950 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4579 303 539 CABLEONE, US 20940 4096 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3966 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 9130 9083 CHINAMOBILE-CN China Mobile Communications Grou 12479 6950 6806 UNI2-AS, ES 7545 5950 5256 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7653 4752 AMAZON-02, US 11492 4579 4040 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4096 3921 AKAMAI-ASN1, NL 7552 3624 3604 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /13:584 /14:1194 /15:2076 /16:13479 /17:8252 /18:13778 /19:24816 /20:43024 /21:50937 /22:108790 /23:96279 /24:535947 /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 5982 6950 UNI2-AS, ES 8151 4830 10883 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2753 3728 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2193 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1855 2:1022 3:166 4:5 5:4037 6:118 7:5 8:1544 9:1 11:173 12:1617 13:381 14:2357 15:286 16:73 17:366 18:383 20:239 21:4 22:188 23:6007 24:2452 25:6 27:2660 29:19 31:2480 32:98 34:8 35:94 36:1827 37:4517 38:3843 39:770 40:144 41:3933 42:1181 43:2270 44:303 45:16305 46:4121 47:371 49:1695 50:1931 51:244 52:1506 54:398 55:799 56:8 57:79 58:1729 59:1103 60:1005 61:2422 62:2557 63:1951 64:5648 65:2334 66:4827 67:3000 68:1380 69:4165 70:1292 71:677 72:2985 74:2637 75:1472 76:597 77:2243 78:1817 79:3151 80:2049 81:1682 82:1497 83:1216 84:1493 85:2964 86:732 87:1927 88:1166 89:3447 90:573 91:7546 92:1988 93:2560 94:3537 95:3879 96:1338 97:348 98:1174 99:740 100:69 101:1267 102:2474 103:30443 104:4541 105:477 106:826 107:2530 108:913 109:4236 110:2007 111:3271 112:2032 113:1507 114:1598 115:2043 116:1857 117:2471 118:2334 119:1838 120:1695 121:1047 122:2582 123:2120 124:1533 125:2111 128:1203 129:965 130:963 131:2016 132:825 133:401 134:1910 135:295 136:880 137:916 138:2540 139:1518 140:1043 141:1482 142:1408 143:1405 144:1202 145:353 146:1881 147:1506 148:2247 149:1841 150:865 151:1144 152:1953 153:456 154:3753 155:1384 156:1630 157:1286 158:1038 159:2223 160:2575 161:1422 162:3509 163:1444 164:1663 165:1653 166:833 167:1728 168:3830 169:913 170:4556 171:864 172:3516 173:3106 174:1030 175:1180 176:3618 177:4766 178:3467 179:2164 180:2385 181:3331 182:3197 183:1922 184:2353 185:19916 186:4600 187:3940 188:4018 189:3439 190:9032 191:1438 192:10968 193:8711 194:7162 195:5041 196:3077 197:2414 198:5942 199:6078 200:7570 201:5832 202:10162 203:10058 204:4594 205:3452 206:3761 207:3343 208:4095 209:4773 210:4154 211:2341 212:3989 213:3521 214:1104 215:57 216:6552 217:2610 218:1265 219:408 220:1795 221:951 222:663 223:2005 End of report