IPv4 R&E Routing Table Report 23:05 GMT Tue 08 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: 898606 Prefixes after maximum aggregation (per Origin AS): 342066 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441556 Number of IPv4 prefixes with a valid ROA: 360010 Number of IPv4 prefixes with an invalid ROA: 1668 Number of IPv4 prefixes with no ROA: 536928 Total ASes present in the Internet Routing Table: 73625 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63298 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10327 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 969 Number of instances of unregistered ASNs: 972 Number of 32-bit ASNs allocated by the RIRs: 40595 Number of 32-bit ASNs visible in the Routing Table: 33595 Prefixes from 32-bit ASNs in the Routing Table: 162388 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3063551744 Equivalent to 182 /8s, 154 /16s and 23 /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: 302216 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232398 Total APNIC prefixes after maximum aggregation: 67418 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227362 Unique aggregates announced from the APNIC address blocks: 96853 APNIC Region origin ASes present in the Internet Routing Table: 12996 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3751 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 8300 Number of APNIC addresses announced to Internet: 773257472 Equivalent to 46 /8s, 22 /16s and 249 /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: 265735 Total ARIN prefixes after maximum aggregation: 121077 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267099 Unique aggregates announced from the ARIN address blocks: 128907 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1871 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: 4657 Number of ARIN addresses announced to Internet: 1289615360 Equivalent to 76 /8s, 221 /16s and 248 /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: 253882 Total RIPE prefixes after maximum aggregation: 119260 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250660 Unique aggregates announced from the RIPE address blocks: 154762 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11984 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10849 Number of RIPE addresses announced to Internet: 716478464 Equivalent to 42 /8s, 180 /16s and 152 /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: 116805 Total LACNIC prefixes after maximum aggregation: 27957 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116188 Unique aggregates announced from the LACNIC address blocks: 48644 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2232 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: 8757 Number of LACNIC addresses announced to Internet: 175978240 Equivalent to 10 /8s, 125 /16s and 55 /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: 28817 Total AfriNIC prefixes after maximum aggregation: 5615 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36799 Unique aggregates announced from the AfriNIC address blocks: 11977 AfriNIC Region origin ASes present in the Internet Routing Table: 1704 AfriNIC Prefixes per ASN: 21.60 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1032 Number of AfriNIC addresses announced to Internet: 107941120 Equivalent to 6 /8s, 111 /16s and 13 /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 9123 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3609 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3391 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2516 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2270 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2158 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 7548 10608 2896 AMAZON-02, US 11492 4594 304 534 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3757 3061 340 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3558 1859 2546 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 30036 2602 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2580 24058 1554 ATT-INTERNET4, US 396982 2560 3480 355 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 6950 1730 144 UNI2-AS, ES 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2623 252 1347 M247, RO 6849 2399 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1773 930 543 TCI, IR 13188 1606 100 42 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 10805 3347 601 Uninet S.A. de C.V., MX 10620 3474 510 840 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2105 343 546 Mega Cable, S.A. de C.V., MX 28573 1331 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1111 183 472 Techtel LMDS Comunicaciones Interactiva 6147 1082 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 1572 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 68 32 ORANGE-COTE-IVOIRE, CI 36935 831 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 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 10805 3347 601 Uninet S.A. de C.V., MX 9808 9123 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7548 10608 2896 AMAZON-02, US 12479 6950 1730 144 UNI2-AS, ES 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4594 304 534 CABLEONE, US 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 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 9123 9076 CHINAMOBILE-CN China Mobile Communications Grou 12479 6950 6806 UNI2-AS, ES 7545 5949 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7548 4652 AMAZON-02, US 11492 4594 4060 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4108 3934 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3609 3589 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 23.143.88.0/24 Origin: 395852 WEBAPP-IO-01, CA 23.143.88.0/24 Transit: 20473 AS-CHOOPA, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 /16:13487 /17:8281 /18:13854 /19:24789 /20:43011 /21:50755 /22:108629 /23:96247 /24:535227 /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 5958 6950 UNI2-AS, ES 8151 4757 10805 Uninet S.A. de C.V., MX 11492 3501 4594 CABLEONE, US 8551 3444 3980 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 2780 3757 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2259 2399 UKRTELNET, UA 30036 2258 2602 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1023 3:166 4:5 5:4026 6:118 7:5 8:1559 9:1 11:173 12:1620 13:348 14:2368 15:283 16:69 17:360 18:374 20:236 21:4 22:188 23:5991 24:2453 25:6 27:2706 29:19 31:2481 32:90 34:7 35:95 36:1818 37:4515 38:3726 39:774 40:144 41:3907 42:1171 43:2223 44:300 45:16247 46:4185 47:369 49:1700 50:1917 51:244 52:1497 54:398 55:845 56:8 57:79 58:1721 59:1107 60:1004 61:2403 62:2552 63:1957 64:5613 65:2329 66:4817 67:2993 68:1377 69:4131 70:1296 71:678 72:2993 74:2636 75:1476 76:597 77:2238 78:1822 79:3152 80:2058 81:1677 82:1481 83:1209 84:1439 85:2945 86:729 87:1918 88:1162 89:3452 90:551 91:7591 92:2051 93:2550 94:3535 95:3880 96:1345 97:348 98:1171 99:739 100:69 101:1301 102:2413 103:30283 104:4526 105:479 106:888 107:2530 108:902 109:4327 110:2006 111:3271 112:2033 113:1495 114:1571 115:1993 116:1870 117:2467 118:2324 119:1839 120:1678 121:1044 122:2569 123:2107 124:1512 125:2115 128:1210 129:970 130:963 131:2011 132:829 133:378 134:1912 135:289 136:884 137:899 138:2527 139:1515 140:1114 141:1467 142:1393 143:1403 144:1196 145:352 146:1864 147:1527 148:2237 149:1825 150:873 151:1139 152:1955 153:455 154:3803 155:1433 156:1615 157:1295 158:1034 159:2201 160:2592 161:1381 162:3496 163:1435 164:1671 165:1639 166:820 167:1716 168:3794 169:902 170:4552 171:849 172:3482 173:3104 174:1030 175:1163 176:3607 177:4802 178:3532 179:2116 180:2384 181:3346 182:3200 183:1919 184:2349 185:19883 186:4554 187:3971 188:4007 189:3435 190:9037 191:1423 192:10986 193:8758 194:7162 195:5073 196:3070 197:2475 198:5936 199:6046 200:7546 201:5827 202:10153 203:10045 204:4587 205:3472 206:3772 207:3341 208:4075 209:4771 210:4122 211:2330 212:4003 213:3501 214:1100 215:53 216:6536 217:2620 218:1266 219:406 220:1796 221:924 222:661 223:1987 End of report