IPv4 R&E Routing Table Report 23:05 GMT Sun 12 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: 884905 Prefixes after maximum aggregation (per Origin AS): 336446 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433860 Number of IPv4 prefixes with a valid ROA: 329978 Number of IPv4 prefixes with an invalid ROA: 1259 Number of IPv4 prefixes with no ROA: 553668 Total ASes present in the Internet Routing Table: 73018 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62708 Origin ASes announcing only one prefix: 25779 Transit ASes present in the Internet Routing Table: 10310 Transit-only ASes present in the Internet Routing Table: 373 Paths with bogon ASNs present in the IPv4 Routing Table: 38 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 895 Number of instances of unregistered ASNs: 899 Number of 32-bit ASNs allocated by the RIRs: 39585 Number of 32-bit ASNs visible in the Routing Table: 32748 Prefixes from 32-bit ASNs in the Routing Table: 154727 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3063801344 Equivalent to 182 /8s, 157 /16s and 230 /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: 297523 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228827 Total APNIC prefixes after maximum aggregation: 66151 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224179 Unique aggregates announced from the APNIC address blocks: 95277 APNIC Region origin ASes present in the Internet Routing Table: 12604 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 3591 APNIC Region transit ASes present in the Internet Routing Table: 1737 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7890 Number of APNIC addresses announced to Internet: 773032960 Equivalent to 46 /8s, 19 /16s and 140 /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: 262292 Total ARIN prefixes after maximum aggregation: 120120 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262160 Unique aggregates announced from the ARIN address blocks: 126675 ARIN Region origin ASes present in the Internet Routing Table: 18957 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1865 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: 4503 Number of ARIN addresses announced to Internet: 1292947712 Equivalent to 77 /8s, 16 /16s and 209 /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: 250206 Total RIPE prefixes after maximum aggregation: 116581 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247630 Unique aggregates announced from the RIPE address blocks: 151265 RIPE Region origin ASes present in the Internet Routing Table: 28110 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3991 Average RIPE Region AS path length visible: 4.4 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: 713582080 Equivalent to 42 /8s, 136 /16s and 102 /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: 114774 Total LACNIC prefixes after maximum aggregation: 27435 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114565 Unique aggregates announced from the LACNIC address blocks: 48690 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2221 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8681 Number of LACNIC addresses announced to Internet: 176348928 Equivalent to 10 /8s, 130 /16s and 223 /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: 27911 Total AfriNIC prefixes after maximum aggregation: 5469 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35878 Unique aggregates announced from the AfriNIC address blocks: 11539 AfriNIC Region origin ASes present in the Internet Routing Table: 1638 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 564 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 969 Number of AfriNIC addresses announced to Internet: 107600384 Equivalent to 6 /8s, 105 /16s and 218 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3490 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 425 217 TATACOMM-AS TATA Communications formerl 24560 2068 851 388 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 6634 10372 2699 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 22773 3909 3071 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3455 1801 2512 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2622 375 192 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2464 2442 341 GOOGLE-CLOUD-PLATFORM, US 209 2436 4961 418 CENTURYLINK-US-LEGACY-QWEST, 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 6835 1730 143 UNI2-AS, ES 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2481 247 1281 M247, GB 34984 2245 357 633 TELLCOM-AS, TR 58224 1831 936 617 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 10709 3401 552 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1861 307 484 Mega Cable, S.A. de C.V., MX 6503 1445 355 527 Axtel, S.A.B. de C.V., MX 28573 1364 2332 273 CLARO S.A., BR 3816 1257 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 439 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1603 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 514 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 10709 3401 552 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6835 1730 143 UNI2-AS, ES 16509 6634 10372 2699 AMAZON-02, US 7545 5920 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 22773 3909 3071 364 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 12479 6835 6692 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6634 3935 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3963 3770 AKAMAI-ASN1, NL 7552 3578 3559 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 /15:2087 /16:13476 /17:8237 /18:13724 /19:24774 /20:43066 /21:50850 /22:107209 /23:94897 /24:524324 /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 5812 6835 UNI2-AS, ES 8151 4427 10709 Uninet S.A. de C.V., MX 8551 3469 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2910 3909 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2622 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1022 3:157 4:6 5:3796 6:108 7:5 8:1553 9:1 11:172 12:1681 13:333 14:2357 15:209 16:42 17:385 18:171 20:213 21:4 22:188 23:5663 24:2348 25:6 27:2612 29:19 31:2443 32:92 34:3 35:87 36:1800 37:4456 38:3038 39:709 40:152 41:3906 42:1118 43:2194 44:287 45:15791 46:4133 47:293 49:1673 50:2162 51:108 52:1443 54:381 55:843 56:8 57:59 58:1692 59:1103 60:961 61:2260 62:2482 63:1936 64:5527 65:2336 66:4826 67:2975 68:1194 69:4167 70:1326 71:681 72:3044 74:2651 75:1392 76:577 77:2196 78:1843 79:3128 80:1996 81:1610 82:1492 83:1207 84:1315 85:2924 86:711 87:1947 88:1136 89:3332 90:535 91:7589 92:2012 93:2548 94:3461 95:3861 96:1310 97:351 98:999 99:754 100:77 101:1272 102:2128 103:29127 104:4465 105:467 106:872 107:2529 108:838 109:4261 110:1974 111:3260 112:2036 113:1472 114:1474 115:1978 116:1887 117:2515 118:2329 119:1859 120:1668 121:1020 122:2513 123:2080 124:1537 125:2056 128:1184 129:1069 130:971 131:2003 132:802 133:378 134:1921 135:278 136:875 137:852 138:2423 139:1522 140:880 141:1418 142:1282 143:1408 144:1205 145:349 146:1814 147:1497 148:2202 149:1742 150:854 151:1078 152:1841 153:459 154:3547 155:1434 156:1721 157:1240 158:1047 159:2208 160:2534 161:1274 162:3462 163:1272 164:1615 165:1619 166:717 167:1741 168:3769 169:854 170:4472 171:828 172:3207 173:3116 174:1015 175:1141 176:3583 177:4576 178:3551 179:2092 180:2321 181:2972 182:3200 183:1948 184:2366 185:19531 186:4252 187:3787 188:3917 189:3310 190:8875 191:1314 192:10986 193:8616 194:7024 195:4938 196:3030 197:2384 198:5945 199:6022 200:7487 201:5821 202:10103 203:9980 204:4536 205:3443 206:3677 207:3338 208:4008 209:4670 210:4146 211:2325 212:4011 213:3402 214:1134 215:66 216:6474 217:2664 218:1273 219:407 220:1674 221:1007 222:652 223:2115 End of report