IPv4 R&E Routing Table Report 23:05 GMT Thu 31 Aug, 2023 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: 920695 Prefixes after maximum aggregation (per Origin AS): 350944 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452520 Number of IPv4 prefixes with a valid ROA: 417888 Number of IPv4 prefixes with an invalid ROA: 1598 Number of IPv4 prefixes with no ROA: 501209 Total ASes present in the Internet Routing Table: 74580 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64171 Origin ASes announcing only one prefix: 26331 Transit ASes present in the Internet Routing Table: 10409 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 27 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1011 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 42544 Number of 32-bit ASNs visible in the Routing Table: 34973 Prefixes from 32-bit ASNs in the Routing Table: 174049 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3055529984 Equivalent to 182 /8s, 31 /16s and 176 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307508 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241029 Total APNIC prefixes after maximum aggregation: 69807 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234771 Unique aggregates announced from the APNIC address blocks: 98677 APNIC Region origin ASes present in the Internet Routing Table: 13518 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 4012 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8905 Number of APNIC addresses announced to Internet: 772499712 Equivalent to 46 /8s, 11 /16s and 105 /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, 131072-153913 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: 270789 Total ARIN prefixes after maximum aggregation: 123452 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272968 Unique aggregates announced from the ARIN address blocks: 131246 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1279477760 Equivalent to 76 /8s, 67 /16s and 72 /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: 259778 Total RIPE prefixes after maximum aggregation: 122600 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256393 Unique aggregates announced from the RIPE address blocks: 159994 RIPE Region origin ASes present in the Internet Routing Table: 28385 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11297 Number of RIPE addresses announced to Internet: 716739584 Equivalent to 42 /8s, 184 /16s and 148 /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 196608-216475 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: 118112 Total LACNIC prefixes after maximum aggregation: 28409 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117154 Unique aggregates announced from the LACNIC address blocks: 49324 LACNIC Region origin ASes present in the Internet Routing Table: 11017 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2689 LACNIC Region transit ASes present in the Internet Routing Table: 2322 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8833 Number of LACNIC addresses announced to Internet: 178597376 Equivalent to 10 /8s, 165 /16s and 46 /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: 29976 Total AfriNIC prefixes after maximum aggregation: 5973 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38866 Unique aggregates announced from the AfriNIC address blocks: 12827 AfriNIC Region origin ASes present in the Internet Routing Table: 1781 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1123 Number of AfriNIC addresses announced to Internet: 107762176 Equivalent to 6 /8s, 108 /16s and 82 /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 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3114 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 TATACOMM-AS TATA Communications formerl 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 9015 10984 3254 AMAZON-02, US 11492 4523 300 648 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3558 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3028 1459 2285 AKAMAI-AS, US 367 2972 3834 1400 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2498 358 376 MEDIACOM-ENTERPRISE-BUSINESS, 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 7343 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4075 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 914 ROSTELECOM-AS, RU 9009 2655 246 1373 M247, RO 34984 2327 362 601 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1508 101 1176 ASDETUK www.heficed.com, US 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 11732 3364 602 UNINET, MX 10620 3535 506 848 Telmex Colombia S.A., CO 13999 2453 364 642 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 2501 49 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1356 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1037 67 48 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 521 54 48 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 457 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 11732 3364 602 UNINET, MX 9808 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9015 10984 3254 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 648 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4075 3398 152 AKAMAI-ASN1, NL 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 9492 9452 CHINAMOBILE-CN China Mobile Communications Grou 12479 7343 7198 UNI2-AS, ES 16509 9015 5761 AMAZON-02, US 7545 5725 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4075 3923 AKAMAI-ASN1, NL 11492 4523 3875 CABLEONE, US 7552 3734 3714 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.161.72.0/24 Origin: 18646 BITMAX, US 23.161.72.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:38 /11:102 /12:298 /13:576 /14:1195 /15:2096 /16:13460 /17:8194 /18:13714 /19:24800 /20:43303 /21:50925 /22:109347 /23:98578 /24:554030 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6429 7343 UNI2-AS, ES 8151 5751 11732 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4523 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2227 2:1386 3:245 4:5 5:4550 6:137 7:6 8:1513 9:1 11:172 12:1510 13:373 14:2304 15:302 16:191 17:369 18:634 20:281 21:4 22:188 23:6385 24:2486 25:6 27:2556 29:19 31:2533 32:76 34:26 35:115 36:1995 37:4519 38:5172 39:869 40:147 41:4036 42:2100 43:2246 44:322 45:16556 46:4250 47:386 49:1794 50:1859 51:596 52:1597 54:392 55:964 56:8 57:122 58:1792 59:1117 60:999 61:2511 62:2676 63:1921 64:5564 65:2327 66:4888 67:3025 68:1338 69:4132 70:1189 71:657 72:2959 74:2610 75:1563 76:617 77:2328 78:1834 79:2985 80:2122 81:1823 82:1488 83:1280 84:1500 85:2969 86:752 87:2004 88:1176 89:3822 90:617 91:7800 92:2067 93:2615 94:3528 95:4007 96:1295 97:321 98:1077 99:734 100:90 101:1304 102:2947 103:32005 104:4560 105:557 106:881 107:2593 108:1135 109:4219 110:2128 111:3133 112:2060 113:1743 114:1653 115:1994 116:1909 117:2521 118:2695 119:1983 120:1781 121:1088 122:2569 123:2139 124:1580 125:2489 128:1401 129:916 130:1027 131:1955 132:852 133:419 134:1787 135:307 136:911 137:973 138:2629 139:1564 140:1232 141:1292 142:1479 143:1482 144:996 145:346 146:1929 147:1605 148:2428 149:2167 150:865 151:1231 152:1986 153:518 154:4867 155:1389 156:1938 157:1325 158:1082 159:2219 160:2608 161:1585 162:3514 163:1582 164:1703 165:1849 166:1015 167:1681 168:3692 169:907 170:4650 171:883 172:3660 173:2955 174:986 175:1187 176:3763 177:4453 178:3540 179:2111 180:2443 181:3425 182:3317 183:1996 184:2282 185:20514 186:4699 187:4102 188:4134 189:3776 190:9236 191:1325 192:10929 193:8940 194:7266 195:5193 196:3194 197:2444 198:5912 199:6102 200:7865 201:6025 202:10213 203:10003 204:4529 205:3642 206:4257 207:3383 208:4113 209:4899 210:4186 211:2445 212:4239 213:3405 214:1093 215:59 216:6655 217:2772 218:1266 219:403 220:1801 221:977 222:665 223:2150 End of report