IPv4 R&E Routing Table Report 23:05 GMT Wed 07 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: 901275 Prefixes after maximum aggregation (per Origin AS): 343025 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442952 Number of IPv4 prefixes with a valid ROA: 365212 Number of IPv4 prefixes with an invalid ROA: 1525 Number of IPv4 prefixes with no ROA: 534538 Total ASes present in the Internet Routing Table: 73738 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63360 Origin ASes announcing only one prefix: 26043 Transit ASes present in the Internet Routing Table: 10378 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 40813 Number of 32-bit ASNs visible in the Routing Table: 33767 Prefixes from 32-bit ASNs in the Routing Table: 164360 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: 547 Number of addresses announced to Internet: 3062173952 Equivalent to 182 /8s, 133 /16s and 17 /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: 302879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233414 Total APNIC prefixes after maximum aggregation: 67702 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228244 Unique aggregates announced from the APNIC address blocks: 97248 APNIC Region origin ASes present in the Internet Routing Table: 13071 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3802 APNIC Region transit ASes present in the Internet Routing Table: 1761 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: 8389 Number of APNIC addresses announced to Internet: 773191680 Equivalent to 46 /8s, 21 /16s and 248 /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: 266130 Total ARIN prefixes after maximum aggregation: 121060 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267848 Unique aggregates announced from the ARIN address blocks: 129293 ARIN Region origin ASes present in the Internet Routing Table: 18989 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1873 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: 4680 Number of ARIN addresses announced to Internet: 1288418304 Equivalent to 76 /8s, 203 /16s and 180 /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: 254537 Total RIPE prefixes after maximum aggregation: 119645 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251225 Unique aggregates announced from the RIPE address blocks: 155311 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 10898 Number of RIPE addresses announced to Internet: 716181248 Equivalent to 42 /8s, 176 /16s and 15 /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: 117183 Total LACNIC prefixes after maximum aggregation: 28176 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116466 Unique aggregates announced from the LACNIC address blocks: 48669 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2256 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: 8761 Number of LACNIC addresses announced to Internet: 175986944 Equivalent to 10 /8s, 125 /16s and 89 /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: 28951 Total AfriNIC prefixes after maximum aggregation: 5644 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36945 Unique aggregates announced from the AfriNIC address blocks: 11985 AfriNIC Region origin ASes present in the Internet Routing Table: 1702 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 591 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: 1039 Number of AfriNIC addresses announced to Internet: 108083456 Equivalent to 6 /8s, 113 /16s and 57 /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 3624 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 2579 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2311 849 422 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 7712 10630 2896 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3685 3059 311 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3528 1320 63 SHAW, CA 16625 3497 1824 2525 AKAMAI-AS, US 749 3030 50577 2297 DNIC-AS-00749, US 7018 2592 24125 1559 ATT-INTERNET4, US 30036 2581 369 342 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2566 3482 361 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 6961 1730 151 UNI2-AS, ES 20940 4069 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3917 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 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 1800 938 528 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 10838 3338 596 Uninet S.A. de C.V., MX 10620 3459 506 850 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2135 351 558 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 1539 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 530 54 45 WANANCHI-, KE 37342 441 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 10838 3338 596 Uninet S.A. de C.V., MX 9808 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7712 10630 2896 AMAZON-02, US 12479 6961 1730 151 UNI2-AS, ES 7545 5945 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4069 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3917 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 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 9135 9088 CHINAMOBILE-CN China Mobile Communications Grou 12479 6961 6810 UNI2-AS, ES 7545 5945 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7712 4816 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4069 3894 AKAMAI-ASN1, NL 8551 3917 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3893 3861 VIASAT-SP-BACKBONE, US 7552 3624 3603 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 /12:295 /13:584 /14:1196 /15:2081 /16:13470 /17:8257 /18:13772 /19:24841 /20:42995 /21:50939 /22:108789 /23:96307 /24:537574 /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 5996 6961 UNI2-AS, ES 8151 4827 10838 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3383 3917 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3336 3528 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2721 3685 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2239 2581 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) ---------------------------------------------- 1:1765 2:1017 3:168 4:5 5:4074 6:110 7:5 8:1541 9:1 11:173 12:1613 13:379 14:2364 15:286 16:75 17:369 18:394 20:242 21:4 22:188 23:5997 24:2446 25:4 27:2703 29:19 31:2475 32:99 34:8 35:95 36:1838 37:4566 38:3917 39:816 40:144 41:3968 42:1165 43:2286 44:305 45:16380 46:4147 47:370 49:1702 50:1932 51:246 52:1523 54:394 55:841 56:8 57:79 58:1725 59:1103 60:1006 61:2423 62:2592 63:1951 64:5621 65:2325 66:4831 67:2994 68:1372 69:4132 70:1283 71:654 72:2986 74:2617 75:1462 76:595 77:2247 78:1825 79:3153 80:2054 81:1673 82:1487 83:1223 84:1478 85:2965 86:746 87:1928 88:1167 89:3492 90:580 91:7613 92:1986 93:2562 94:3532 95:3883 96:1317 97:345 98:1170 99:740 100:69 101:1285 102:2490 103:30481 104:4566 105:482 106:819 107:2550 108:910 109:4332 110:2015 111:3259 112:2034 113:1509 114:1592 115:2010 116:1881 117:2471 118:2322 119:1883 120:1689 121:1041 122:2572 123:2127 124:1535 125:2152 128:1203 129:965 130:952 131:2000 132:828 133:400 134:1903 135:294 136:881 137:919 138:2583 139:1492 140:1034 141:1484 142:1403 143:1420 144:1197 145:354 146:1876 147:1509 148:2263 149:1871 150:868 151:1147 152:1960 153:457 154:3817 155:1410 156:1633 157:1285 158:1037 159:2240 160:2573 161:1431 162:3529 163:1456 164:1669 165:1639 166:836 167:1750 168:3813 169:919 170:4571 171:866 172:3525 173:3099 174:1035 175:1156 176:3608 177:4770 178:3544 179:2137 180:2393 181:3354 182:3226 183:1936 184:2363 185:19970 186:4639 187:3939 188:4057 189:3436 190:9009 191:1481 192:10987 193:8790 194:7202 195:5089 196:3080 197:2435 198:5947 199:6086 200:7647 201:5846 202:10225 203:10041 204:4607 205:3495 206:3724 207:3345 208:4107 209:4790 210:4161 211:2394 212:4024 213:3529 214:1104 215:55 216:6591 217:2637 218:1250 219:410 220:1783 221:952 222:669 223:1998 End of report