IPv4 R&E Routing Table Report 23:05 GMT Fri 09 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: 900387 Prefixes after maximum aggregation (per Origin AS): 343030 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 443174 Number of IPv4 prefixes with a valid ROA: 364629 Number of IPv4 prefixes with an invalid ROA: 1497 Number of IPv4 prefixes with no ROA: 534261 Total ASes present in the Internet Routing Table: 73711 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63326 Origin ASes announcing only one prefix: 26029 Transit ASes present in the Internet Routing Table: 10385 Transit-only ASes present in the Internet Routing Table: 422 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: 40845 Number of 32-bit ASNs visible in the Routing Table: 33754 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: 3059324416 Equivalent to 182 /8s, 89 /16s and 150 /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: 302458 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233237 Total APNIC prefixes after maximum aggregation: 67661 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228112 Unique aggregates announced from the APNIC address blocks: 97213 APNIC Region origin ASes present in the Internet Routing Table: 13049 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3802 APNIC Region transit ASes present in the Internet Routing Table: 1754 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: 8366 Number of APNIC addresses announced to Internet: 773152512 Equivalent to 46 /8s, 21 /16s and 95 /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: 266184 Total ARIN prefixes after maximum aggregation: 121028 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267829 Unique aggregates announced from the ARIN address blocks: 129448 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4682 Number of ARIN addresses announced to Internet: 1285672704 Equivalent to 76 /8s, 161 /16s and 207 /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: 254185 Total RIPE prefixes after maximum aggregation: 119711 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 250913 Unique aggregates announced from the RIPE address blocks: 155343 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3984 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: 10901 Number of RIPE addresses announced to Internet: 716132864 Equivalent to 42 /8s, 175 /16s and 82 /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: 117104 Total LACNIC prefixes after maximum aggregation: 28173 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116410 Unique aggregates announced from the LACNIC address blocks: 48725 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2260 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: 8760 Number of LACNIC addresses announced to Internet: 175985664 Equivalent to 10 /8s, 125 /16s and 84 /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: 28637 Total AfriNIC prefixes after maximum aggregation: 5675 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36606 Unique aggregates announced from the AfriNIC address blocks: 12019 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.43 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1045 Number of AfriNIC addresses announced to Internet: 108084480 Equivalent to 6 /8s, 113 /16s and 61 /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 5945 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 2577 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 7731 10633 2882 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3687 3059 311 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3528 1320 63 SHAW, CA 16625 3467 1812 2512 AKAMAI-AS, US 749 3031 50578 2298 DNIC-AS-00749, US 7018 2586 24125 1555 ATT-INTERNET4, US 30036 2579 369 336 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 4052 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2647 252 1360 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1798 937 527 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 10857 3338 596 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 2161 353 569 Mega Cable, S.A. de C.V., MX 28573 1333 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 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 1136 184 473 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 1526 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 880 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 442 32 1 MOVITEL, MZ 2018 376 319 72 TENET-1, ZA 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 10857 3338 596 Uninet S.A. de C.V., MX 9808 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7731 10633 2882 AMAZON-02, US 12479 6964 1730 151 UNI2-AS, ES 7545 5945 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 567 CABLEONE, US 20940 4052 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 7155 3893 265 32 VIASAT-SP-BACKBONE, US 8551 3699 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 5945 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7731 4849 AMAZON-02, US 11492 4548 3981 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4052 3877 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 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 /17:8254 /18:13778 /19:24838 /20:42979 /21:50901 /22:108677 /23:96372 /24:536797 /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 4847 10857 Uninet S.A. de C.V., MX 11492 3455 4548 CABLEONE, US 6327 3336 3528 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 8551 3165 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2723 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2237 2579 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) ---------------------------------------------- 1:1717 2:1019 3:168 4:5 5:4070 6:110 7:5 8:1540 9:1 11:173 12:1613 13:370 14:2366 15:287 16:75 17:370 18:395 20:242 21:4 22:188 23:5984 24:2444 25:4 27:2698 29:19 31:2478 32:103 34:8 35:95 36:1837 37:4597 38:3891 39:817 40:144 41:3920 42:1122 43:2283 44:305 45:16355 46:4142 47:370 49:1701 50:1934 51:246 52:1527 54:395 55:839 56:8 57:79 58:1719 59:1099 60:1006 61:2422 62:2595 63:1955 64:5622 65:2326 66:4834 67:3026 68:1371 69:4122 70:1279 71:654 72:2987 74:2603 75:1466 76:596 77:2249 78:1817 79:2937 80:2054 81:1674 82:1488 83:1224 84:1480 85:2959 86:747 87:1927 88:1167 89:3483 90:581 91:7610 92:1986 93:2565 94:3522 95:3879 96:1317 97:344 98:1173 99:740 100:69 101:1291 102:2502 103:30455 104:4557 105:451 106:824 107:2547 108:909 109:4268 110:2035 111:3260 112:2028 113:1509 114:1592 115:2009 116:1871 117:2466 118:2318 119:1886 120:1695 121:1043 122:2571 123:2127 124:1533 125:2151 128:1212 129:965 130:969 131:1996 132:825 133:400 134:1899 135:294 136:880 137:922 138:2574 139:1498 140:1026 141:1476 142:1404 143:1451 144:1197 145:351 146:1878 147:1506 148:2262 149:1873 150:861 151:1147 152:1963 153:458 154:3798 155:1377 156:1631 157:1279 158:1035 159:2243 160:2574 161:1429 162:3532 163:1459 164:1661 165:1640 166:838 167:1745 168:3814 169:917 170:4570 171:870 172:3523 173:3074 174:1036 175:1149 176:3616 177:4779 178:3550 179:2142 180:2395 181:3360 182:3228 183:1936 184:2363 185:19966 186:4628 187:3918 188:4042 189:3437 190:9004 191:1478 192:10977 193:8784 194:7212 195:5083 196:3050 197:2352 198:5936 199:6084 200:7641 201:5846 202:10225 203:10030 204:4580 205:3510 206:3744 207:3345 208:4110 209:4783 210:4161 211:2392 212:4024 213:3528 214:1109 215:55 216:6600 217:2636 218:1250 219:410 220:1782 221:952 222:665 223:1983 End of report