IPv4 R&E Routing Table Report 23:05 GMT Sun 13 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: 899171 Prefixes after maximum aggregation (per Origin AS): 342338 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441874 Number of IPv4 prefixes with a valid ROA: 360300 Number of IPv4 prefixes with an invalid ROA: 1684 Number of IPv4 prefixes with no ROA: 537187 Total ASes present in the Internet Routing Table: 73614 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63289 Origin ASes announcing only one prefix: 26008 Transit ASes present in the Internet Routing Table: 10325 Transit-only ASes present in the Internet Routing Table: 412 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1042 Number of instances of unregistered ASNs: 1044 Number of 32-bit ASNs allocated by the RIRs: 40609 Number of 32-bit ASNs visible in the Routing Table: 33600 Prefixes from 32-bit ASNs in the Routing Table: 162701 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3063870976 Equivalent to 182 /8s, 158 /16s and 246 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 302335 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232705 Total APNIC prefixes after maximum aggregation: 67473 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227535 Unique aggregates announced from the APNIC address blocks: 96843 APNIC Region origin ASes present in the Internet Routing Table: 12975 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3741 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8286 Number of APNIC addresses announced to Internet: 773211904 Equivalent to 46 /8s, 22 /16s and 71 /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: 266040 Total ARIN prefixes after maximum aggregation: 121137 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267444 Unique aggregates announced from the ARIN address blocks: 129007 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6985 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: 4662 Number of ARIN addresses announced to Internet: 1289952768 Equivalent to 76 /8s, 227 /16s and 30 /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: 253787 Total RIPE prefixes after maximum aggregation: 119346 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250658 Unique aggregates announced from the RIPE address blocks: 154876 RIPE Region origin ASes present in the Internet Routing Table: 28139 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3961 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: 10865 Number of RIPE addresses announced to Internet: 716374528 Equivalent to 42 /8s, 179 /16s and 2 /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: 116693 Total LACNIC prefixes after maximum aggregation: 27994 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116106 Unique aggregates announced from the LACNIC address blocks: 48725 LACNIC Region origin ASes present in the Internet Routing Table: 10983 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 8752 Number of LACNIC addresses announced to Internet: 175976960 Equivalent to 10 /8s, 125 /16s and 50 /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: 28904 Total AfriNIC prefixes after maximum aggregation: 5618 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36924 Unique aggregates announced from the AfriNIC address blocks: 12003 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1035 Number of AfriNIC addresses announced to Internet: 108071168 Equivalent to 6 /8s, 113 /16s and 9 /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 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5948 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3396 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2534 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2275 849 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2160 440 214 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 7586 10613 2931 AMAZON-02, US 11492 4586 304 543 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3744 3060 336 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3565 1863 2548 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3065 50657 2332 DNIC-AS-00749, US 30036 2593 370 297 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2584 24058 1556 ATT-INTERNET4, US 396982 2562 3481 356 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 6936 1730 144 UNI2-AS, ES 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2622 252 1351 M247, RO 6849 2374 339 20 UKRTELNET, UA 34984 2240 357 615 TELLCOM-AS, TR 58224 1773 930 543 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 10824 3347 600 Uninet S.A. de C.V., MX 10620 3476 511 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2113 343 548 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1112 182 474 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 24863 1569 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 68 37 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 43 WANANCHI-, KE 37342 494 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 10824 3347 600 Uninet S.A. de C.V., MX 9808 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7586 10613 2931 AMAZON-02, US 12479 6936 1730 144 UNI2-AS, ES 7545 5948 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4586 304 543 CABLEONE, US 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9124 9077 CHINAMOBILE-CN China Mobile Communications Grou 12479 6936 6792 UNI2-AS, ES 7545 5948 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7586 4655 AMAZON-02, US 11492 4586 4043 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3983 3945 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3930 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3613 3593 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /14:1195 /15:2078 /16:13482 /17:8285 /18:13850 /19:24822 /20:43073 /21:50902 /22:108695 /23:96325 /24:535411 /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 5949 6936 UNI2-AS, ES 8151 4774 10824 Uninet S.A. de C.V., MX 11492 3494 4586 CABLEONE, US 8551 3447 3983 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2771 3744 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2249 2593 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2230 2374 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1025 3:166 4:5 5:4025 6:118 7:5 8:1544 9:1 11:173 12:1618 13:353 14:2372 15:288 16:71 17:364 18:379 20:239 21:4 22:188 23:6002 24:2456 25:6 27:2701 29:19 31:2476 32:90 34:8 35:94 36:1817 37:4519 38:3728 39:773 40:144 41:3955 42:1171 43:2215 44:297 45:16228 46:4145 47:369 49:1698 50:1918 51:244 52:1500 54:397 55:844 56:8 57:79 58:1721 59:1110 60:1005 61:2417 62:2567 63:1955 64:5619 65:2322 66:4825 67:3004 68:1378 69:4142 70:1296 71:677 72:2998 74:2638 75:1476 76:597 77:2230 78:1828 79:3150 80:2033 81:1667 82:1494 83:1208 84:1452 85:2952 86:727 87:1923 88:1159 89:3446 90:551 91:7587 92:2040 93:2547 94:3532 95:3879 96:1337 97:348 98:1173 99:740 100:69 101:1303 102:2444 103:30259 104:4532 105:478 106:888 107:2539 108:914 109:4331 110:2008 111:3271 112:2046 113:1497 114:1573 115:1996 116:1872 117:2480 118:2325 119:1836 120:1679 121:1042 122:2574 123:2108 124:1514 125:2121 128:1198 129:966 130:966 131:2030 132:829 133:378 134:1912 135:291 136:885 137:911 138:2529 139:1515 140:1102 141:1480 142:1409 143:1397 144:1197 145:351 146:1862 147:1502 148:2231 149:1825 150:874 151:1143 152:1955 153:455 154:3821 155:1429 156:1616 157:1299 158:1036 159:2209 160:2593 161:1387 162:3502 163:1440 164:1671 165:1640 166:826 167:1716 168:3818 169:906 170:4536 171:850 172:3482 173:3104 174:1033 175:1161 176:3608 177:4759 178:3526 179:2137 180:2382 181:3328 182:3203 183:1938 184:2350 185:19893 186:4540 187:3954 188:4020 189:3416 190:9046 191:1418 192:10981 193:8753 194:7173 195:5084 196:3068 197:2477 198:5936 199:6049 200:7535 201:5836 202:10154 203:10028 204:4591 205:3481 206:3779 207:3343 208:4080 209:4773 210:4130 211:2340 212:4000 213:3512 214:1095 215:53 216:6532 217:2617 218:1267 219:408 220:1795 221:924 222:666 223:1986 End of report