IPv4 R&E Routing Table Report 23:05 GMT Fri 03 Jun, 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: 883524 Prefixes after maximum aggregation (per Origin AS): 336032 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433284 Number of IPv4 prefixes with a valid ROA: 328449 Number of IPv4 prefixes with an invalid ROA: 1329 Number of IPv4 prefixes with no ROA: 553746 Total ASes present in the Internet Routing Table: 72993 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62672 Origin ASes announcing only one prefix: 25744 Transit ASes present in the Internet Routing Table: 10321 Transit-only ASes present in the Internet Routing Table: 381 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 869 Number of instances of unregistered ASNs: 874 Number of 32-bit ASNs allocated by the RIRs: 39539 Number of 32-bit ASNs visible in the Routing Table: 32704 Prefixes from 32-bit ASNs in the Routing Table: 153850 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3064604416 Equivalent to 182 /8s, 170 /16s and 39 /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: 297300 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228472 Total APNIC prefixes after maximum aggregation: 66053 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223896 Unique aggregates announced from the APNIC address blocks: 94982 APNIC Region origin ASes present in the Internet Routing Table: 12588 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 3607 APNIC Region transit ASes present in the Internet Routing Table: 1741 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7868 Number of APNIC addresses announced to Internet: 773150464 Equivalent to 46 /8s, 21 /16s and 87 /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: 261366 Total ARIN prefixes after maximum aggregation: 119969 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261169 Unique aggregates announced from the ARIN address blocks: 126509 ARIN Region origin ASes present in the Internet Routing Table: 18956 ARIN Prefixes per ASN: 13.78 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4487 Number of ARIN addresses announced to Internet: 1293091328 Equivalent to 77 /8s, 19 /16s and 2 /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: 250141 Total RIPE prefixes after maximum aggregation: 116492 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247592 Unique aggregates announced from the RIPE address blocks: 151196 RIPE Region origin ASes present in the Internet Routing Table: 28103 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12000 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10705 Number of RIPE addresses announced to Internet: 714026752 Equivalent to 42 /8s, 143 /16s and 47 /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: 114638 Total LACNIC prefixes after maximum aggregation: 27393 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114451 Unique aggregates announced from the LACNIC address blocks: 48636 LACNIC Region origin ASes present in the Internet Routing Table: 10959 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2218 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8673 Number of LACNIC addresses announced to Internet: 176387584 Equivalent to 10 /8s, 131 /16s and 118 /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: 28038 Total AfriNIC prefixes after maximum aggregation: 5467 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35917 Unique aggregates announced from the AfriNIC address blocks: 11546 AfriNIC Region origin ASes present in the Internet Routing Table: 1644 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 573 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 971 Number of AfriNIC addresses announced to Internet: 107661056 Equivalent to 6 /8s, 106 /16s and 199 /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 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5933 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3574 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2249 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 24560 2057 852 385 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6564 10364 2687 AMAZON-02, US 11492 4520 300 649 CABLEONE, US 22773 3912 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3530 1818 2527 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2621 373 184 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2437 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 492 CHARTER-20115, 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 6822 1730 150 UNI2-AS, ES 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 3360 193 AKAMAI-ASN1, NL 39891 3833 224 42 ALJAWWALSTC-AS, SA 12389 2897 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2477 246 1281 M247, GB 34984 2242 357 631 TELLCOM-AS, TR 58224 1845 938 616 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 10644 3400 558 Uninet S.A. de C.V., MX 10620 3486 519 735 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1846 305 477 Mega Cable, S.A. de C.V., MX 6503 1445 355 527 Axtel, S.A.B. de C.V., MX 28573 1370 2334 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX 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 1656 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 513 51 34 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 16 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 10644 3400 558 Uninet S.A. de C.V., MX 9808 9199 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6822 1730 150 UNI2-AS, ES 16509 6564 10364 2687 AMAZON-02, US 7545 5933 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4520 300 649 CABLEONE, US 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 3360 193 AKAMAI-ASN1, NL 22773 3912 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 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 9199 9164 CHINAMOBILE-CN China Mobile Communications Grou 12479 6822 6672 UNI2-AS, ES 7545 5933 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3993 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6564 3877 AMAZON-02, US 11492 4520 3871 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3833 3791 ALJAWWALSTC-AS, SA 20940 3967 3774 AKAMAI-ASN1, NL 7552 3574 3555 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:40 /11:99 /12:300 /13:588 /14:1199 /15:2089 /16:13483 /17:8232 /18:13732 /19:24776 /20:42645 /21:50749 /22:107099 /23:94741 /24:523717 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5797 6822 UNI2-AS, ES 8151 4370 10644 Uninet S.A. de C.V., MX 8551 3459 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3423 4520 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3145 3833 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2913 3912 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2621 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1019 3:156 4:6 5:3800 6:108 7:5 8:1528 9:1 11:172 12:1678 13:320 14:2373 15:206 16:42 17:384 18:165 20:213 21:4 22:188 23:5655 24:2310 25:6 27:2600 29:19 31:2438 32:92 34:4 35:84 36:1798 37:4454 38:2947 39:707 40:152 41:3974 42:1115 43:2184 44:290 45:15787 46:4137 47:297 49:1671 50:2164 51:108 52:1439 54:379 55:754 56:8 57:59 58:1687 59:1108 60:959 61:2255 62:2528 63:1934 64:5518 65:2331 66:4840 67:2975 68:1192 69:4160 70:1330 71:684 72:3051 74:2650 75:1392 76:577 77:2185 78:1847 79:3113 80:1996 81:1609 82:1497 83:1201 84:1341 85:2929 86:713 87:1974 88:1125 89:3309 90:530 91:7593 92:2010 93:2570 94:3467 95:3883 96:1310 97:349 98:1002 99:746 100:77 101:1271 102:2099 103:29099 104:4472 105:458 106:869 107:2528 108:832 109:4250 110:1990 111:3258 112:2034 113:1474 114:1474 115:1964 116:1890 117:2506 118:2324 119:1847 120:1668 121:1020 122:2510 123:2082 124:1531 125:2059 128:1191 129:1069 130:967 131:2039 132:798 133:378 134:1901 135:291 136:879 137:857 138:2433 139:1514 140:871 141:1418 142:1285 143:1447 144:1203 145:351 146:1803 147:1466 148:2208 149:1734 150:848 151:1077 152:1846 153:460 154:3535 155:1434 156:1723 157:1233 158:1048 159:2209 160:2535 161:1279 162:3457 163:1272 164:1624 165:1615 166:717 167:1734 168:3767 169:849 170:4446 171:829 172:3203 173:3106 174:1019 175:1133 176:3594 177:4614 178:3545 179:2079 180:2321 181:2941 182:3199 183:1952 184:2371 185:19531 186:4263 187:3805 188:3880 189:3296 190:8846 191:1291 192:10991 193:8614 194:7008 195:4921 196:3059 197:2384 198:5936 199:6027 200:7490 201:5710 202:10101 203:9987 204:4528 205:3423 206:3682 207:3321 208:4004 209:4649 210:4124 211:2332 212:4006 213:3392 214:1150 215:67 216:6463 217:2663 218:1269 219:407 220:1674 221:967 222:650 223:2114 End of report