IPv4 R&E Routing Table Report 23:05 GMT Sun 17 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: 888175 Prefixes after maximum aggregation (per Origin AS): 337659 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436412 Number of IPv4 prefixes with a valid ROA: 335853 Number of IPv4 prefixes with an invalid ROA: 1334 Number of IPv4 prefixes with no ROA: 550988 Total ASes present in the Internet Routing Table: 73218 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62853 Origin ASes announcing only one prefix: 25890 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 400 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 969 Number of instances of unregistered ASNs: 973 Number of 32-bit ASNs allocated by the RIRs: 39818 Number of 32-bit ASNs visible in the Routing Table: 32955 Prefixes from 32-bit ASNs in the Routing Table: 156655 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: 503 Number of addresses announced to Internet: 3067303680 Equivalent to 182 /8s, 211 /16s and 87 /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: 298887 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229372 Total APNIC prefixes after maximum aggregation: 66345 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224482 Unique aggregates announced from the APNIC address blocks: 95588 APNIC Region origin ASes present in the Internet Routing Table: 12705 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3667 APNIC Region transit ASes present in the Internet Routing Table: 1733 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: 7988 Number of APNIC addresses announced to Internet: 772315904 Equivalent to 46 /8s, 8 /16s and 155 /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: 262694 Total ARIN prefixes after maximum aggregation: 120242 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262915 Unique aggregates announced from the ARIN address blocks: 127092 ARIN Region origin ASes present in the Internet Routing Table: 18976 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4547 Number of ARIN addresses announced to Internet: 1295907072 Equivalent to 77 /8s, 61 /16s and 249 /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: 251545 Total RIPE prefixes after maximum aggregation: 117421 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248902 Unique aggregates announced from the RIPE address blocks: 152800 RIPE Region origin ASes present in the Internet Routing Table: 28149 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 4020 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: 10755 Number of RIPE addresses announced to Internet: 714567936 Equivalent to 42 /8s, 151 /16s and 113 /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: 115491 Total LACNIC prefixes after maximum aggregation: 27424 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115255 Unique aggregates announced from the LACNIC address blocks: 48726 LACNIC Region origin ASes present in the Internet Routing Table: 10956 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 8683 Number of LACNIC addresses announced to Internet: 176492032 Equivalent to 10 /8s, 133 /16s and 14 /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: 28104 Total AfriNIC prefixes after maximum aggregation: 5502 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36118 Unique aggregates announced from the AfriNIC address blocks: 11783 AfriNIC Region origin ASes present in the Internet Routing Table: 1655 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 982 Number of AfriNIC addresses announced to Internet: 107728896 Equivalent to 6 /8s, 107 /16s and 208 /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 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 24560 2119 849 403 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 6772 10392 2662 AMAZON-02, US 11492 4515 299 656 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3838 3069 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3474 1789 2512 AKAMAI-AS, US 6327 3435 1319 61 SHAW, CA 749 2996 50735 2254 DNIC-AS-00749, US 30036 2622 374 186 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2512 3359 359 GOOGLE-CLOUD-PLATFORM, US 209 2381 4936 411 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 6882 1730 144 UNI2-AS, ES 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 12389 2889 2289 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2571 254 1334 M247, GB 34984 2250 358 638 TELLCOM-AS, TR 58224 1773 932 560 TCI, IR 61317 1614 113 1062 ASDETUK www.heficed.com, GB 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 10773 3395 558 Uninet S.A. de C.V., MX 10620 3476 514 778 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1930 318 506 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1264 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 978 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 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 10773 3395 558 Uninet S.A. de C.V., MX 9808 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6882 1730 144 UNI2-AS, ES 16509 6772 10392 2662 AMAZON-02, US 7545 5919 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 656 CABLEONE, US 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 7155 3903 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 9005 8959 CHINAMOBILE-CN China Mobile Communications Grou 12479 6882 6738 UNI2-AS, ES 7545 5919 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6772 4110 AMAZON-02, US 8551 4012 3973 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4515 3859 CABLEONE, US 20940 3998 3803 AKAMAI-ASN1, NL 7552 3571 3552 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 /12:302 /13:588 /14:1202 /15:2096 /16:13499 /17:8255 /18:13767 /19:24728 /20:43048 /21:50724 /22:107449 /23:95247 /24:527096 /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 5863 6882 UNI2-AS, ES 8151 4507 10773 Uninet S.A. de C.V., MX 8551 3475 4012 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3247 3435 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2860 3838 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2279 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) ---------------------------------------------- 1:1919 2:1031 3:157 4:5 5:3837 6:110 7:6 8:1524 9:1 11:172 12:1644 13:345 14:2337 15:233 16:44 17:387 18:179 20:242 21:4 22:188 23:5792 24:2366 25:6 27:2609 29:19 31:2431 32:92 34:7 35:87 36:1835 37:4441 38:3272 39:718 40:152 41:3901 42:1105 43:2200 44:291 45:15964 46:4098 47:300 49:1695 50:1947 51:237 52:1453 54:386 55:846 56:8 57:60 58:1715 59:1110 60:961 61:2269 62:2516 63:1927 64:5585 65:2389 66:4854 67:2965 68:1179 69:4169 70:1315 71:681 72:3027 74:2631 75:1395 76:577 77:2223 78:1875 79:3133 80:2001 81:1637 82:1492 83:1209 84:1313 85:2960 86:725 87:1899 88:1166 89:3348 90:540 91:7602 92:2025 93:2545 94:3501 95:3842 96:1328 97:352 98:1014 99:752 100:76 101:1265 102:2172 103:29402 104:4528 105:468 106:875 107:2516 108:856 109:4308 110:1974 111:3276 112:2035 113:1466 114:1473 115:1971 116:1892 117:2427 118:2308 119:1834 120:1671 121:1026 122:2520 123:2082 124:1539 125:2042 128:1179 129:1045 130:975 131:2016 132:811 133:377 134:1931 135:309 136:892 137:855 138:2458 139:1502 140:927 141:1444 142:1299 143:1419 144:1212 145:354 146:1807 147:1523 148:2204 149:1739 150:904 151:1067 152:1855 153:463 154:3660 155:1439 156:1675 157:1266 158:1034 159:2233 160:2503 161:1260 162:3470 163:1295 164:1634 165:1636 166:745 167:1741 168:3766 169:881 170:4557 171:834 172:3295 173:3127 174:1019 175:1151 176:3582 177:4699 178:3537 179:2175 180:2361 181:3221 182:3213 183:1938 184:2345 185:19603 186:4376 187:3796 188:3961 189:3416 190:8906 191:1448 192:10933 193:8654 194:7045 195:4975 196:3033 197:2411 198:5933 199:6024 200:7455 201:5833 202:10117 203:10007 204:4510 205:3424 206:3690 207:3340 208:4003 209:4669 210:4160 211:2308 212:4026 213:3439 214:1138 215:67 216:6479 217:2637 218:1271 219:407 220:1736 221:963 222:657 223:1955 End of report