IPv4 R&E Routing Table Report 23:05 GMT Mon 14 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: 899332 Prefixes after maximum aggregation (per Origin AS): 342430 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442010 Number of IPv4 prefixes with a valid ROA: 360671 Number of IPv4 prefixes with an invalid ROA: 1640 Number of IPv4 prefixes with no ROA: 537021 Total ASes present in the Internet Routing Table: 73608 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63271 Origin ASes announcing only one prefix: 26010 Transit ASes present in the Internet Routing Table: 10337 Transit-only ASes present in the Internet Routing Table: 414 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1042 Number of instances of unregistered ASNs: 1044 Number of 32-bit ASNs allocated by the RIRs: 40611 Number of 32-bit ASNs visible in the Routing Table: 33599 Prefixes from 32-bit ASNs in the Routing Table: 162747 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3063558912 Equivalent to 182 /8s, 154 /16s and 51 /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: 302395 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232907 Total APNIC prefixes after maximum aggregation: 67475 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227762 Unique aggregates announced from the APNIC address blocks: 96955 APNIC Region origin ASes present in the Internet Routing Table: 12982 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3745 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: 8290 Number of APNIC addresses announced to Internet: 773243904 Equivalent to 46 /8s, 22 /16s and 196 /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: 265982 Total ARIN prefixes after maximum aggregation: 121195 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267410 Unique aggregates announced from the ARIN address blocks: 128986 ARIN Region origin ASes present in the Internet Routing Table: 19019 ARIN Prefixes per ASN: 14.06 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4667 Number of ARIN addresses announced to Internet: 1289827584 Equivalent to 76 /8s, 225 /16s and 53 /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: 253789 Total RIPE prefixes after maximum aggregation: 119347 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250624 Unique aggregates announced from the RIPE address blocks: 154900 RIPE Region origin ASes present in the Internet Routing Table: 28122 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3964 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: 10860 Number of RIPE addresses announced to Internet: 716246784 Equivalent to 42 /8s, 177 /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: 116738 Total LACNIC prefixes after maximum aggregation: 28001 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116141 Unique aggregates announced from the LACNIC address blocks: 48757 LACNIC Region origin ASes present in the Internet Routing Table: 10981 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2246 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: 8749 Number of LACNIC addresses announced to Internet: 175898880 Equivalent to 10 /8s, 124 /16s and 1 /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: 28874 Total AfriNIC prefixes after maximum aggregation: 5642 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36891 Unique aggregates announced from the AfriNIC address blocks: 11992 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.64 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: 1033 Number of AfriNIC addresses announced to Internet: 108058112 Equivalent to 6 /8s, 112 /16s and 214 /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 5947 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3397 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2534 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2282 848 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2160 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 7575 10609 2932 AMAZON-02, US 11492 4586 304 543 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3745 3062 338 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3562 1860 2553 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3065 50657 2332 DNIC-AS-00749, US 30036 2585 369 316 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2582 24058 1554 ATT-INTERNET4, US 396982 2562 3481 357 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 6935 1730 144 UNI2-AS, ES 20940 4106 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2631 252 1355 M247, RO 6849 2374 339 20 UKRTELNET, UA 34984 2238 357 617 TELLCOM-AS, TR 58224 1774 930 538 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 10829 3347 599 Uninet S.A. de C.V., MX 10620 3476 511 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2113 343 548 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1113 182 475 Techtel LMDS Comunicaciones Interactiva 6147 1084 369 22 Telefonica del Peru S.A.A., PE 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 24863 1572 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1008 67 53 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 43 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 10829 3347 599 Uninet S.A. de C.V., MX 9808 9123 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7575 10609 2932 AMAZON-02, US 12479 6935 1730 144 UNI2-AS, ES 7545 5947 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4586 304 543 CABLEONE, US 20940 4106 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 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 6935 6791 UNI2-AS, ES 7545 5947 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7575 4643 AMAZON-02, US 11492 4586 4043 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4106 3932 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3613 3593 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 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /16:13480 /17:8283 /18:13844 /19:24805 /20:43059 /21:50885 /22:108746 /23:96339 /24:535565 /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 5954 6935 UNI2-AS, ES 8151 4780 10829 Uninet S.A. de C.V., MX 11492 3494 4586 CABLEONE, US 8551 3450 3986 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 2770 3745 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2242 2585 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2230 2374 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1027 3:166 4:5 5:4025 6:118 7:5 8:1543 9:1 11:173 12:1618 13:353 14:2373 15:288 16:71 17:364 18:381 20:239 21:4 22:188 23:6004 24:2455 25:4 27:2704 29:19 31:2476 32:90 34:8 35:94 36:1817 37:4519 38:3731 39:774 40:144 41:3950 42:1171 43:2226 44:296 45:16226 46:4141 47:369 49:1699 50:1923 51:244 52:1500 54:396 55:844 56:8 57:79 58:1726 59:1110 60:1006 61:2416 62:2567 63:1952 64:5623 65:2322 66:4826 67:2997 68:1379 69:4143 70:1295 71:679 72:2998 74:2636 75:1477 76:597 77:2235 78:1825 79:3151 80:2039 81:1670 82:1493 83:1205 84:1457 85:2959 86:731 87:1922 88:1160 89:3457 90:551 91:7610 92:2037 93:2551 94:3535 95:3882 96:1337 97:347 98:1173 99:740 100:69 101:1303 102:2443 103:30290 104:4534 105:478 106:888 107:2538 108:914 109:4337 110:2008 111:3273 112:2046 113:1497 114:1571 115:1994 116:1873 117:2480 118:2327 119:1836 120:1681 121:1046 122:2572 123:2112 124:1535 125:2122 128:1201 129:966 130:965 131:2022 132:830 133:401 134:1912 135:291 136:884 137:911 138:2525 139:1516 140:1088 141:1452 142:1411 143:1403 144:1196 145:350 146:1869 147:1506 148:2238 149:1819 150:874 151:1144 152:1956 153:455 154:3792 155:1428 156:1617 157:1295 158:1034 159:2210 160:2590 161:1385 162:3500 163:1442 164:1670 165:1641 166:823 167:1717 168:3822 169:904 170:4546 171:850 172:3499 173:3096 174:1034 175:1160 176:3604 177:4762 178:3533 179:2149 180:2381 181:3323 182:3203 183:1938 184:2351 185:19843 186:4541 187:3960 188:4017 189:3433 190:9046 191:1435 192:10977 193:8748 194:7163 195:5087 196:3066 197:2472 198:5930 199:6054 200:7538 201:5839 202:10163 203:10042 204:4592 205:3468 206:3757 207:3343 208:4084 209:4770 210:4151 211:2340 212:4002 213:3515 214:1097 215:53 216:6535 217:2623 218:1266 219:408 220:1795 221:947 222:666 223:1987 End of report