IPv4 R&E Routing Table Report 23:05 GMT Sun 11 Dec, 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: 900604 Prefixes after maximum aggregation (per Origin AS): 342994 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443253 Number of IPv4 prefixes with a valid ROA: 364880 Number of IPv4 prefixes with an invalid ROA: 1496 Number of IPv4 prefixes with no ROA: 534228 Total ASes present in the Internet Routing Table: 73734 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63348 Origin ASes announcing only one prefix: 26040 Transit ASes present in the Internet Routing Table: 10386 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1040 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 40870 Number of 32-bit ASNs visible in the Routing Table: 33772 Prefixes from 32-bit ASNs in the Routing Table: 164449 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3059262208 Equivalent to 182 /8s, 88 /16s and 163 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 302577 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233303 Total APNIC prefixes after maximum aggregation: 67686 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228188 Unique aggregates announced from the APNIC address blocks: 97269 APNIC Region origin ASes present in the Internet Routing Table: 13063 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3805 APNIC Region transit ASes present in the Internet Routing Table: 1757 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: 8381 Number of APNIC addresses announced to Internet: 773181440 Equivalent to 46 /8s, 21 /16s and 208 /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: 266201 Total ARIN prefixes after maximum aggregation: 121043 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267861 Unique aggregates announced from the ARIN address blocks: 129464 ARIN Region origin ASes present in the Internet Routing Table: 19000 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1879 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: 4683 Number of ARIN addresses announced to Internet: 1285756416 Equivalent to 76 /8s, 163 /16s and 22 /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: 254284 Total RIPE prefixes after maximum aggregation: 119675 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 251000 Unique aggregates announced from the RIPE address blocks: 155410 RIPE Region origin ASes present in the Internet Routing Table: 28151 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11995 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 10902 Number of RIPE addresses announced to Internet: 716148736 Equivalent to 42 /8s, 175 /16s and 144 /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: 117086 Total LACNIC prefixes after maximum aggregation: 28155 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116397 Unique aggregates announced from the LACNIC address blocks: 48710 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2262 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: 8762 Number of LACNIC addresses announced to Internet: 175819520 Equivalent to 10 /8s, 122 /16s and 203 /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: 28690 Total AfriNIC prefixes after maximum aggregation: 5653 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36641 Unique aggregates announced from the AfriNIC address blocks: 11974 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.48 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1044 Number of AfriNIC addresses announced to Internet: 108059904 Equivalent to 6 /8s, 112 /16s and 221 /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 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2585 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2313 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7733 10634 2880 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3685 3058 309 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3528 1320 63 SHAW, CA 16625 3488 1819 2525 AKAMAI-AS, US 749 3031 50578 2298 DNIC-AS-00749, US 7018 2587 24125 1556 ATT-INTERNET4, US 30036 2580 369 330 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2567 3482 362 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 6964 1730 151 UNI2-AS, ES 20940 4070 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2647 252 1360 M247, RO 34984 2251 357 608 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1799 938 528 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 10863 3338 595 Uninet S.A. de C.V., MX 10620 3463 507 853 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2159 353 568 Mega Cable, S.A. de C.V., MX 28573 1333 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1135 184 472 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1548 537 31 RAYA-AS, EG 24863 1536 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 881 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 442 32 1 MOVITEL, MZ 24757 367 73 5 EthioNet-AS, ET 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 10863 3338 595 Uninet S.A. de C.V., MX 9808 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7733 10634 2880 AMAZON-02, US 12479 6964 1730 151 UNI2-AS, ES 7545 5944 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 567 CABLEONE, US 20940 4070 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 7155 3893 265 32 VIASAT-SP-BACKBONE, US 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9135 9088 CHINAMOBILE-CN China Mobile Communications Grou 12479 6964 6813 UNI2-AS, ES 7545 5944 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7733 4853 AMAZON-02, US 11492 4548 3981 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4070 3895 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 8551 3698 3660 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 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 23.131.185.0/24 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 23.131.189.0/24 Origin: 150303 SOLORDP-AS-AP SoloRDP, IN 23.131.189.0/24 Transit: 140947 SNTHOSTINGS-AS-AP SnTHostings, IN 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 /12:294 /13:581 /14:1196 /15:2081 /16:13464 /17:8252 /18:13778 /19:24845 /20:42988 /21:50903 /22:108722 /23:96398 /24:536927 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5999 6964 UNI2-AS, ES 8151 4850 10863 Uninet S.A. de C.V., MX 11492 3455 4548 CABLEONE, US 6327 3336 3528 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2722 3685 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2238 2580 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1692 2:1018 3:168 4:5 5:4070 6:110 7:5 8:1542 9:1 11:172 12:1615 13:370 14:2366 15:287 16:75 17:370 18:395 20:243 21:4 22:188 23:5999 24:2443 25:4 27:2700 29:19 31:2489 32:99 34:8 35:95 36:1837 37:4604 38:3897 39:817 40:144 41:3924 42:1105 43:2288 44:304 45:16348 46:4143 47:370 49:1700 50:1935 51:246 52:1527 54:395 55:839 56:8 57:79 58:1719 59:1103 60:1006 61:2423 62:2596 63:1955 64:5625 65:2326 66:4841 67:3028 68:1372 69:4123 70:1279 71:654 72:2986 74:2600 75:1466 76:596 77:2246 78:1825 79:2939 80:2053 81:1676 82:1489 83:1222 84:1481 85:2960 86:748 87:1927 88:1165 89:3502 90:581 91:7603 92:1987 93:2566 94:3529 95:3884 96:1317 97:344 98:1173 99:740 100:69 101:1290 102:2503 103:30517 104:4565 105:484 106:825 107:2546 108:910 109:4289 110:2033 111:3260 112:2028 113:1506 114:1593 115:2009 116:1871 117:2466 118:2317 119:1882 120:1695 121:1040 122:2570 123:2128 124:1534 125:2157 128:1210 129:964 130:961 131:1998 132:824 133:400 134:1898 135:294 136:881 137:916 138:2578 139:1498 140:1027 141:1482 142:1405 143:1453 144:1195 145:351 146:1878 147:1505 148:2250 149:1872 150:862 151:1147 152:1963 153:458 154:3777 155:1379 156:1633 157:1284 158:1039 159:2241 160:2575 161:1424 162:3530 163:1456 164:1670 165:1642 166:835 167:1744 168:3825 169:917 170:4566 171:872 172:3526 173:3074 174:1035 175:1157 176:3615 177:4749 178:3540 179:2138 180:2396 181:3360 182:3227 183:1936 184:2366 185:19974 186:4632 187:3917 188:4058 189:3434 190:9003 191:1478 192:10979 193:8783 194:7206 195:5085 196:3050 197:2347 198:5938 199:6075 200:7647 201:5850 202:10223 203:10032 204:4585 205:3491 206:3739 207:3351 208:4106 209:4784 210:4162 211:2392 212:4024 213:3536 214:1104 215:55 216:6606 217:2636 218:1250 219:410 220:1783 221:952 222:665 223:1983 End of report