IPv4 R&E Routing Table Report 23:05 GMT Sat 23 Jul, 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: 888800 Prefixes after maximum aggregation (per Origin AS): 337967 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436605 Number of IPv4 prefixes with a valid ROA: 337612 Number of IPv4 prefixes with an invalid ROA: 1298 Number of IPv4 prefixes with no ROA: 549890 Total ASes present in the Internet Routing Table: 73244 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62873 Origin ASes announcing only one prefix: 25917 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 956 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 39850 Number of 32-bit ASNs visible in the Routing Table: 33000 Prefixes from 32-bit ASNs in the Routing Table: 156974 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3071031808 Equivalent to 183 /8s, 12 /16s and 58 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 299012 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229584 Total APNIC prefixes after maximum aggregation: 66400 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224714 Unique aggregates announced from the APNIC address blocks: 95641 APNIC Region origin ASes present in the Internet Routing Table: 12719 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3676 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: 8004 Number of APNIC addresses announced to Internet: 772582400 Equivalent to 46 /8s, 12 /16s and 172 /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: 262797 Total ARIN prefixes after maximum aggregation: 120369 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263054 Unique aggregates announced from the ARIN address blocks: 127124 ARIN Region origin ASes present in the Internet Routing Table: 18981 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6935 ARIN Region transit ASes present in the Internet Routing Table: 1864 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4553 Number of ARIN addresses announced to Internet: 1295825664 Equivalent to 77 /8s, 60 /16s and 187 /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: 251686 Total RIPE prefixes after maximum aggregation: 117456 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249011 Unique aggregates announced from the RIPE address blocks: 152806 RIPE Region origin ASes present in the Internet Routing Table: 28137 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 4013 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: 10756 Number of RIPE addresses announced to Internet: 718144000 Equivalent to 42 /8s, 206 /16s and 2 /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: 115634 Total LACNIC prefixes after maximum aggregation: 27498 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115359 Unique aggregates announced from the LACNIC address blocks: 48804 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2252 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: 8701 Number of LACNIC addresses announced to Internet: 176472576 Equivalent to 10 /8s, 132 /16s and 194 /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: 28143 Total AfriNIC prefixes after maximum aggregation: 5521 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36161 Unique aggregates announced from the AfriNIC address blocks: 11809 AfriNIC Region origin ASes present in the Internet Routing Table: 1660 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 581 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 986 Number of AfriNIC addresses announced to Internet: 107723776 Equivalent to 6 /8s, 107 /16s and 188 /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 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3504 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2256 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2134 847 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2125 425 217 TATACOMM-AS TATA Communications formerl 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 6764 10389 2687 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3829 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3454 1779 2498 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3016 50733 2274 DNIC-AS-00749, US 30036 2605 373 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2378 4936 409 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 6885 1730 144 UNI2-AS, ES 20940 4021 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2573 254 1334 M247, GB 34984 2248 358 636 TELLCOM-AS, TR 58224 1770 931 557 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 10785 3397 557 Uninet S.A. de C.V., MX 10620 3482 515 774 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1908 312 507 Mega Cable, S.A. de C.V., MX 28573 1359 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1266 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 370 21 Telefonica del Peru S.A.A., PE 11664 997 179 458 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1611 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 517 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 400 232 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 10785 3397 557 Uninet S.A. de C.V., MX 9808 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6885 1730 144 UNI2-AS, ES 16509 6764 10389 2687 AMAZON-02, US 7545 5919 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 CABLEONE, US 20940 4021 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9031 8985 CHINAMOBILE-CN China Mobile Communications Grou 12479 6885 6741 UNI2-AS, ES 7545 5919 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6764 4077 AMAZON-02, US 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4514 3857 CABLEONE, US 20940 4021 3827 AKAMAI-ASN1, NL 7552 3572 3553 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:303 /13:591 /14:1203 /15:2097 /16:13504 /17:8254 /18:13773 /19:24736 /20:43038 /21:50837 /22:107582 /23:95280 /24:527428 /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 5869 6885 UNI2-AS, ES 8151 4513 10785 Uninet S.A. de C.V., MX 8551 3465 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3829 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2264 2605 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1030 3:157 4:5 5:3829 6:110 7:6 8:1533 9:1 11:172 12:1642 13:341 14:2345 15:234 16:47 17:388 18:177 20:242 21:4 22:188 23:5804 24:2360 25:6 27:2609 29:19 31:2426 32:92 34:7 35:87 36:1838 37:4436 38:3305 39:720 40:152 41:3883 42:1121 43:2208 44:288 45:15973 46:4102 47:299 49:1692 50:1946 51:237 52:1451 54:386 55:856 56:8 57:60 58:1721 59:1110 60:962 61:2287 62:2524 63:1925 64:5578 65:2380 66:4827 67:2964 68:1193 69:4149 70:1317 71:680 72:3020 74:2628 75:1399 76:575 77:2220 78:1880 79:3128 80:2003 81:1640 82:1493 83:1203 84:1347 85:2959 86:722 87:1898 88:1169 89:3351 90:545 91:7604 92:2015 93:2554 94:3500 95:3842 96:1328 97:352 98:1026 99:752 100:76 101:1268 102:2188 103:29433 104:4531 105:468 106:877 107:2552 108:855 109:4327 110:1971 111:3277 112:2039 113:1469 114:1471 115:1977 116:1886 117:2427 118:2306 119:1834 120:1732 121:1026 122:2514 123:2074 124:1541 125:2041 128:1170 129:1052 130:974 131:2041 132:806 133:377 134:1934 135:303 136:893 137:863 138:2470 139:1506 140:928 141:1445 142:1309 143:1398 144:1213 145:350 146:1810 147:1506 148:2204 149:1707 150:867 151:1072 152:1855 153:462 154:3665 155:1447 156:1676 157:1276 158:1037 159:2222 160:2496 161:1282 162:3459 163:1305 164:1633 165:1639 166:761 167:1744 168:3808 169:886 170:4532 171:836 172:3290 173:3107 174:1022 175:1153 176:3603 177:4707 178:3540 179:2166 180:2362 181:3213 182:3195 183:1938 184:2343 185:19585 186:4402 187:3795 188:3968 189:3387 190:8922 191:1435 192:10953 193:8654 194:7050 195:5000 196:3031 197:2415 198:5939 199:6013 200:7495 201:5856 202:10121 203:10014 204:4488 205:3435 206:3682 207:3344 208:4002 209:4669 210:4164 211:2304 212:4025 213:3454 214:1143 215:67 216:6456 217:2643 218:1270 219:407 220:1740 221:965 222:656 223:1957 End of report