IPv4 R&E Routing Table Report 23:05 GMT Mon 12 Sep, 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: 893187 Prefixes after maximum aggregation (per Origin AS): 339819 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439145 Number of IPv4 prefixes with a valid ROA: 349490 Number of IPv4 prefixes with an invalid ROA: 1556 Number of IPv4 prefixes with no ROA: 542141 Total ASes present in the Internet Routing Table: 73475 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63103 Origin ASes announcing only one prefix: 26011 Transit ASes present in the Internet Routing Table: 10372 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 966 Number of instances of unregistered ASNs: 966 Number of 32-bit ASNs allocated by the RIRs: 40161 Number of 32-bit ASNs visible in the Routing Table: 33281 Prefixes from 32-bit ASNs in the Routing Table: 159545 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3068147968 Equivalent to 182 /8s, 224 /16s and 57 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300156 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231104 Total APNIC prefixes after maximum aggregation: 66895 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226026 Unique aggregates announced from the APNIC address blocks: 96259 APNIC Region origin ASes present in the Internet Routing Table: 12863 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 8156 Number of APNIC addresses announced to Internet: 772992512 Equivalent to 46 /8s, 18 /16s and 238 /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: 263879 Total ARIN prefixes after maximum aggregation: 120726 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264527 Unique aggregates announced from the ARIN address blocks: 128085 ARIN Region origin ASes present in the Internet Routing Table: 19004 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 6951 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: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4596 Number of ARIN addresses announced to Internet: 1293413120 Equivalent to 77 /8s, 23 /16s and 235 /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: 252561 Total RIPE prefixes after maximum aggregation: 118224 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249766 Unique aggregates announced from the RIPE address blocks: 153549 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 4022 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: 10805 Number of RIPE addresses announced to Internet: 717281280 Equivalent to 42 /8s, 192 /16s and 216 /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: 116390 Total LACNIC prefixes after maximum aggregation: 27670 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115976 Unique aggregates announced from the LACNIC address blocks: 48913 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8713 Number of LACNIC addresses announced to Internet: 176389888 Equivalent to 10 /8s, 131 /16s and 127 /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: 28287 Total AfriNIC prefixes after maximum aggregation: 5567 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36387 Unique aggregates announced from the AfriNIC address blocks: 11909 AfriNIC Region origin ASes present in the Internet Routing Table: 1681 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 590 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: 1011 Number of AfriNIC addresses announced to Internet: 107794176 Equivalent to 6 /8s, 108 /16s and 207 /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 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3512 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2442 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2233 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2200 852 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2127 425 216 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 7136 10496 2808 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3802 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3528 1825 2530 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2360 4936 405 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 6933 1730 144 UNI2-AS, ES 20940 4045 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2591 251 1334 M247, GB 34984 2265 359 634 TELLCOM-AS, TR 58224 1799 936 536 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 10936 3395 556 Uninet S.A. de C.V., MX 10620 3500 515 786 Telmex Colombia S.A., CO 11830 2331 369 64 Instituto Costarricense de Electricidad 13999 1984 323 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 985 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 1552 393 21 LINKdotNET-AS, EG 24835 1486 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 981 68 38 ORANGE-COTE-IVOIRE, CI 36935 807 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 477 32 1 MOVITEL, MZ 23889 401 232 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 10936 3395 556 Uninet S.A. de C.V., MX 9808 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7136 10496 2808 AMAZON-02, US 12479 6933 1730 144 UNI2-AS, ES 7545 5931 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4045 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 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 9084 9037 CHINAMOBILE-CN China Mobile Communications Grou 12479 6933 6789 UNI2-AS, ES 7545 5931 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7136 4328 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3984 3946 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4045 3853 AKAMAI-ASN1, NL 7552 3586 3566 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 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 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 /11:101 /12:298 /13:589 /14:1205 /15:2097 /16:13454 /17:8266 /18:13781 /19:24693 /20:43172 /21:50890 /22:107794 /23:95758 /24:531016 /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 5920 6933 UNI2-AS, ES 8151 4669 10936 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3448 3984 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2818 3802 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1934 2:1026 3:162 4:5 5:3888 6:116 7:6 8:1545 9:1 11:173 12:1633 13:340 14:2358 15:258 16:52 17:362 18:280 20:244 21:4 22:188 23:5930 24:2442 25:6 27:2664 29:19 31:2414 32:91 34:7 35:88 36:1880 37:4503 38:3505 39:739 40:155 41:3906 42:1133 43:2204 44:291 45:16112 46:4160 47:300 49:1712 50:1930 51:240 52:1490 54:385 55:768 56:8 57:63 58:1721 59:1111 60:983 61:2302 62:2535 63:1914 64:5574 65:2299 66:4861 67:2970 68:1208 69:4127 70:1301 71:683 72:3022 74:2632 75:1439 76:585 77:2258 78:1869 79:3125 80:2066 81:1657 82:1493 83:1201 84:1364 85:2934 86:724 87:1908 88:1151 89:3412 90:565 91:7629 92:2047 93:2539 94:3538 95:3855 96:1309 97:351 98:1030 99:720 100:75 101:1298 102:2293 103:29808 104:4546 105:461 106:890 107:2545 108:880 109:4323 110:1994 111:3289 112:2045 113:1479 114:1490 115:1986 116:1884 117:2480 118:2323 119:1825 120:1695 121:1009 122:2518 123:2088 124:1521 125:2081 128:1171 129:1014 130:998 131:2034 132:807 133:377 134:1937 135:297 136:864 137:871 138:2524 139:1510 140:988 141:1454 142:1329 143:1429 144:1196 145:343 146:1841 147:1508 148:2206 149:1826 150:866 151:1083 152:1928 153:467 154:3753 155:1423 156:1687 157:1283 158:1039 159:2193 160:2526 161:1334 162:3496 163:1386 164:1652 165:1652 166:783 167:1764 168:3803 169:874 170:4524 171:841 172:3344 173:3113 174:1018 175:1156 176:3614 177:4702 178:3571 179:2145 180:2362 181:3272 182:3188 183:1933 184:2365 185:19671 186:4620 187:3888 188:4006 189:3451 190:8981 191:1468 192:10972 193:8683 194:7135 195:5049 196:3025 197:2450 198:5938 199:6007 200:7581 201:5801 202:10141 203:9991 204:4501 205:3448 206:3716 207:3389 208:4039 209:4693 210:4146 211:2288 212:4041 213:3481 214:1118 215:67 216:6374 217:2624 218:1269 219:400 220:1752 221:954 222:659 223:1977 End of report