IPv4 R&E Routing Table Report 23:05 GMT Sat 11 Nov, 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: 926767 Prefixes after maximum aggregation (per Origin AS): 354200 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454212 Number of IPv4 prefixes with a valid ROA: 427767 Number of IPv4 prefixes with an invalid ROA: 1636 Number of IPv4 prefixes with no ROA: 497364 Total ASes present in the Internet Routing Table: 74841 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64388 Origin ASes announcing only one prefix: 26448 Transit ASes present in the Internet Routing Table: 10453 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 43039 Number of 32-bit ASNs visible in the Routing Table: 35315 Prefixes from 32-bit ASNs in the Routing Table: 176460 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 497 Number of addresses announced to Internet: 3049518848 Equivalent to 181 /8s, 195 /16s and 247 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 308992 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243001 Total APNIC prefixes after maximum aggregation: 70826 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236211 Unique aggregates announced from the APNIC address blocks: 98834 APNIC Region origin ASes present in the Internet Routing Table: 13640 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4081 APNIC Region transit ASes present in the Internet Routing Table: 1826 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9043 Number of APNIC addresses announced to Internet: 771604992 Equivalent to 45 /8s, 253 /16s and 194 /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: 272027 Total ARIN prefixes after maximum aggregation: 123769 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276486 Unique aggregates announced from the ARIN address blocks: 132223 ARIN Region origin ASes present in the Internet Routing Table: 19026 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1879 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: 4818 Number of ARIN addresses announced to Internet: 1276357120 Equivalent to 76 /8s, 19 /16s and 170 /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: 261480 Total RIPE prefixes after maximum aggregation: 124400 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256144 Unique aggregates announced from the RIPE address blocks: 160579 RIPE Region origin ASes present in the Internet Routing Table: 28469 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11428 Number of RIPE addresses announced to Internet: 715321856 Equivalent to 42 /8s, 162 /16s and 242 /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: 119023 Total LACNIC prefixes after maximum aggregation: 28454 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117847 Unique aggregates announced from the LACNIC address blocks: 49358 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2328 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8875 Number of LACNIC addresses announced to Internet: 178287616 Equivalent to 10 /8s, 160 /16s and 116 /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: 30215 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39582 Unique aggregates announced from the AfriNIC address blocks: 12797 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151 Number of AfriNIC addresses announced to Internet: 107534336 Equivalent to 6 /8s, 104 /16s and 216 /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 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3629 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3250 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 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 9195 11054 3359 AMAZON-02, US 11492 4550 302 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3507 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3119 1385 2295 AKAMAI-AS, US 367 3033 3870 1433 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2520 23616 1599 ATT-INTERNET4, 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 7434 1713 145 UNI2-AS, ES 39891 4397 261 57 ALJAWWALSTC-AS, SA 20940 4014 3397 141 AKAMAI-ASN1, NL 8551 3442 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1595 M247, RO 12389 2897 2295 912 ROSTELECOM-AS, RU 34984 2322 361 590 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1518 1852 14 TE-AS TE-AS, EG 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 12019 3372 606 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2447 333 632 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 11664 1053 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2502 52 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 1611 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1247 553 97 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 461 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 12019 3372 606 UNINET, MX 9808 9688 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9195 11054 3359 AMAZON-02, US 12479 7434 1713 145 UNI2-AS, ES 7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4550 302 673 CABLEONE, US 39891 4397 261 57 ALJAWWALSTC-AS, SA 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4014 3397 141 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 9688 9648 CHINAMOBILE-CN China Mobile Communications Grou 12479 7434 7289 UNI2-AS, ES 16509 9195 5836 AMAZON-02, US 7545 5716 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4397 4340 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4550 3877 CABLEONE, US 20940 4014 3873 AKAMAI-ASN1, NL 7552 3629 3609 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 3356 LEVEL3, 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13422 /17:8207 /18:13676 /19:24784 /20:43142 /21:51067 /22:109870 /23:98913 /24:559384 /25:0 /26:2 /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 6524 7434 UNI2-AS, ES 8151 6030 12019 UNINET, MX 11492 3463 4550 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3163 4397 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2919 3442 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3507 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2485 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2221 2:1434 3:271 4:1 5:4378 6:161 7:6 8:1499 9:1 11:172 12:1496 13:352 14:2319 15:304 16:202 17:361 18:671 20:317 21:4 22:188 23:6510 24:2541 25:2 27:2576 29:19 31:2558 32:55 34:30 35:115 36:2027 37:4454 38:5587 39:866 40:149 41:3984 42:2077 43:2271 44:328 45:16758 46:4352 47:372 49:1853 50:1879 51:577 52:1588 54:393 55:884 56:5 57:125 58:1811 59:1113 60:1012 61:2589 62:2679 63:1899 64:5495 65:2335 66:4952 67:3056 68:1347 69:4120 70:1177 71:605 72:2923 74:2627 75:1564 76:632 77:2331 78:1827 79:3014 80:2109 81:1846 82:1519 83:1302 84:1599 85:2976 86:753 87:1939 88:1227 89:3945 90:630 91:7876 92:2135 93:2632 94:3576 95:3840 96:1300 97:315 98:1077 99:737 100:91 101:1388 102:2959 103:32227 104:4816 105:573 106:976 107:2688 108:1095 109:4210 110:2127 111:3143 112:2071 113:1676 114:1702 115:1992 116:1909 117:2567 118:2711 119:1942 120:1767 121:1184 122:2612 123:2179 124:1579 125:2617 128:1419 129:909 130:1049 131:1979 132:811 133:408 134:1709 135:301 136:914 137:987 138:2706 139:1555 140:1325 141:1328 142:1546 143:1520 144:1003 145:341 146:1967 147:1623 148:2469 149:2332 150:875 151:1248 152:1972 153:535 154:5327 155:1346 156:2085 157:1355 158:1051 159:2195 160:2616 161:1602 162:3540 163:1605 164:1648 165:1851 166:999 167:1742 168:3819 169:789 170:4657 171:965 172:3868 173:2987 174:950 175:1195 176:3611 177:4536 178:3519 179:2185 180:2263 181:3586 182:3374 183:2001 184:2273 185:20619 186:4736 187:4200 188:4054 189:3930 190:9323 191:1433 192:10964 193:8958 194:7295 195:5117 196:3200 197:2499 198:5914 199:6441 200:7985 201:6203 202:10224 203:10007 204:4538 205:3658 206:4378 207:3424 208:4093 209:4889 210:4232 211:2461 212:4254 213:3396 214:1115 215:71 216:6718 217:2776 218:1289 219:409 220:1803 221:1004 222:681 223:2187 End of report