IPv4 R&E Routing Table Report 23:05 GMT Tue 15 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: 899349 Prefixes after maximum aggregation (per Origin AS): 342505 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442153 Number of IPv4 prefixes with a valid ROA: 361000 Number of IPv4 prefixes with an invalid ROA: 1664 Number of IPv4 prefixes with no ROA: 536685 Total ASes present in the Internet Routing Table: 73584 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63240 Origin ASes announcing only one prefix: 25994 Transit ASes present in the Internet Routing Table: 10344 Transit-only ASes present in the Internet Routing Table: 410 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: 40617 Number of 32-bit ASNs visible in the Routing Table: 33616 Prefixes from 32-bit ASNs in the Routing Table: 162879 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: 503 Number of addresses announced to Internet: 3063464960 Equivalent to 182 /8s, 152 /16s and 196 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 302420 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232804 Total APNIC prefixes after maximum aggregation: 67483 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227657 Unique aggregates announced from the APNIC address blocks: 96940 APNIC Region origin ASes present in the Internet Routing Table: 12986 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3753 APNIC Region transit ASes present in the Internet Routing Table: 1744 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: 8295 Number of APNIC addresses announced to Internet: 773015552 Equivalent to 46 /8s, 19 /16s and 72 /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: 266052 Total ARIN prefixes after maximum aggregation: 121126 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267501 Unique aggregates announced from the ARIN address blocks: 129081 ARIN Region origin ASes present in the Internet Routing Table: 19011 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4664 Number of ARIN addresses announced to Internet: 1289907712 Equivalent to 76 /8s, 226 /16s and 110 /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: 253864 Total RIPE prefixes after maximum aggregation: 119391 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250650 Unique aggregates announced from the RIPE address blocks: 154814 RIPE Region origin ASes present in the Internet Routing Table: 28090 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11971 RIPE Region transit ASes present in the Internet Routing Table: 3962 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: 10864 Number of RIPE addresses announced to Internet: 716186880 Equivalent to 42 /8s, 176 /16s and 37 /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: 116743 Total LACNIC prefixes after maximum aggregation: 28091 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116145 Unique aggregates announced from the LACNIC address blocks: 48884 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2246 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: 8755 Number of LACNIC addresses announced to Internet: 175969024 Equivalent to 10 /8s, 125 /16s and 19 /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: 28844 Total AfriNIC prefixes after maximum aggregation: 5645 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36893 Unique aggregates announced from the AfriNIC address blocks: 12016 AfriNIC Region origin ASes present in the Internet Routing Table: 1711 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1038 Number of AfriNIC addresses announced to Internet: 108103424 Equivalent to 6 /8s, 113 /16s and 135 /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 9119 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5941 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 3397 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2532 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2285 848 418 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 7577 10610 2941 AMAZON-02, US 11492 4602 305 508 CABLEONE, US 7155 3894 265 32 VIASAT-SP-BACKBONE, US 22773 3741 3062 337 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3572 1865 2559 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3065 50657 2332 DNIC-AS-00749, US 7018 2597 24059 1554 ATT-INTERNET4, US 30036 2593 371 307 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6928 1730 144 UNI2-AS, ES 20940 4107 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2630 252 1354 M247, RO 6849 2372 339 20 UKRTELNET, UA 34984 2240 357 615 TELLCOM-AS, TR 58224 1774 930 538 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 10836 3347 599 Uninet S.A. de C.V., MX 10620 3476 511 837 Telmex Colombia S.A., CO 11830 2300 369 64 Instituto Costarricense de Electricidad 13999 2103 343 554 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 1113 182 475 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 991 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 1572 393 21 LINKdotNET-AS, EG 24835 1522 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1007 67 48 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 10836 3347 599 Uninet S.A. de C.V., MX 9808 9119 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7577 10610 2941 AMAZON-02, US 12479 6928 1730 144 UNI2-AS, ES 7545 5941 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4602 305 508 CABLEONE, US 20940 4107 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 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 9119 9072 CHINAMOBILE-CN China Mobile Communications Grou 12479 6928 6784 UNI2-AS, ES 7545 5941 5245 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7577 4636 AMAZON-02, US 11492 4602 4094 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4107 3933 AKAMAI-ASN1, NL 7155 3894 3862 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 /15:2077 /16:13475 /17:8275 /18:13843 /19:24786 /20:43047 /21:50887 /22:108778 /23:96324 /24:535609 /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 5955 6928 UNI2-AS, ES 8151 4787 10836 Uninet S.A. de C.V., MX 11492 3508 4602 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2766 3741 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2249 2593 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2226 2372 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1865 2:1028 3:166 4:5 5:4028 6:118 7:5 8:1543 9:1 11:173 12:1615 13:353 14:2364 15:288 16:71 17:362 18:384 20:239 21:4 22:188 23:5999 24:2462 25:4 27:2704 29:19 31:2471 32:90 34:8 35:94 36:1819 37:4536 38:3734 39:771 40:144 41:3940 42:1174 43:2229 44:299 45:16236 46:4142 47:369 49:1699 50:1923 51:244 52:1499 54:396 55:844 56:8 57:79 58:1727 59:1109 60:1005 61:2413 62:2569 63:1952 64:5620 65:2322 66:4823 67:3000 68:1379 69:4147 70:1288 71:680 72:2999 74:2654 75:1476 76:596 77:2236 78:1821 79:3152 80:2042 81:1670 82:1497 83:1208 84:1465 85:2954 86:731 87:1924 88:1163 89:3458 90:554 91:7578 92:2031 93:2545 94:3533 95:3880 96:1337 97:348 98:1171 99:739 100:69 101:1303 102:2447 103:30297 104:4517 105:478 106:824 107:2542 108:914 109:4283 110:2009 111:3273 112:2048 113:1495 114:1571 115:1996 116:1873 117:2480 118:2330 119:1837 120:1686 121:1046 122:2572 123:2113 124:1532 125:2124 128:1200 129:967 130:963 131:2017 132:830 133:401 134:1912 135:293 136:883 137:914 138:2533 139:1516 140:1089 141:1484 142:1411 143:1404 144:1198 145:350 146:1871 147:1503 148:2239 149:1823 150:873 151:1141 152:1957 153:455 154:3821 155:1431 156:1624 157:1294 158:1037 159:2214 160:2591 161:1387 162:3503 163:1440 164:1671 165:1640 166:830 167:1719 168:3822 169:902 170:4538 171:848 172:3500 173:3102 174:1035 175:1160 176:3600 177:4771 178:3529 179:2145 180:2382 181:3327 182:3202 183:1938 184:2353 185:19900 186:4542 187:3936 188:4025 189:3418 190:9049 191:1435 192:10967 193:8755 194:7169 195:5084 196:3071 197:2480 198:5928 199:6055 200:7544 201:5835 202:10164 203:10039 204:4589 205:3480 206:3762 207:3345 208:4096 209:4777 210:4152 211:2341 212:3999 213:3517 214:1099 215:53 216:6541 217:2616 218:1266 219:408 220:1797 221:947 222:666 223:1988 End of report