IPv4 R&E Routing Table Report 20:15 GMT Mon 09 Jun, 2025 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 263095 Prefixes after maximum aggregation (per Origin AS): 115446 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 135342 Number of IPv4 prefixes with a valid ROA: 119339 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 143713 Total ASes present in the Internet Routing Table: 19864 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 17147 Origin ASes announcing only one prefix: 7747 Transit ASes present in the Internet Routing Table: 2717 Transit-only ASes present in the Internet Routing Table: 718 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 30 Max AS path prepend of ASN (265171) 25 Prefixes from unregistered ASNs in the Routing Table: 308 Number of instances of unregistered ASNs: 340 Number of 32-bit ASNs allocated by the RIRs: 46629 Number of 32-bit ASNs visible in the Routing Table: 7607 Prefixes from 32-bit ASNs in the Routing Table: 28528 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 106 Number of addresses announced to Internet: 1558323677 Equivalent to 92 /8s, 226 /16s and 33 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 42.1 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: 83067 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31919 Total APNIC prefixes after maximum aggregation: 7151 APNIC Deaggregation factor: 4.46 Prefixes being announced from the APNIC address blocks: 30988 Unique aggregates announced from the APNIC address blocks: 7405 APNIC Region origin ASes present in the Internet Routing Table: 1189 APNIC Prefixes per ASN: 26.06 APNIC Region origin ASes announcing only one prefix: 467 APNIC Region transit ASes present in the Internet Routing Table: 192 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 558 Number of APNIC addresses announced to Internet: 166401644 Equivalent to 9 /8s, 235 /16s and 22 /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, 131072-155961 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: 125335 Total ARIN prefixes after maximum aggregation: 65653 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 122630 Unique aggregates announced from the ARIN address blocks: 66434 ARIN Region origin ASes present in the Internet Routing Table: 9322 ARIN Prefixes per ASN: 13.15 ARIN Region origin ASes announcing only one prefix: 3880 ARIN Region transit ASes present in the Internet Routing Table: 864 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2189 Number of ARIN addresses announced to Internet: 961137633 Equivalent to 57 /8s, 73 /16s and 203 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 48580 Total RIPE prefixes after maximum aggregation: 26524 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 50510 Unique aggregates announced from the RIPE address blocks: 37317 RIPE Region origin ASes present in the Internet Routing Table: 4620 RIPE Prefixes per ASN: 10.93 RIPE Region origin ASes announcing only one prefix: 1939 RIPE Region transit ASes present in the Internet Routing Table: 698 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1914 Number of RIPE addresses announced to Internet: 285304144 Equivalent to 17 /8s, 1 /16s and 101 /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 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 45532 Total LACNIC prefixes after maximum aggregation: 13629 LACNIC Deaggregation factor: 3.34 Prefixes being announced from the LACNIC address blocks: 44660 Unique aggregates announced from the LACNIC address blocks: 20329 LACNIC Region origin ASes present in the Internet Routing Table: 3605 LACNIC Prefixes per ASN: 12.39 LACNIC Region origin ASes announcing only one prefix: 1352 LACNIC Region transit ASes present in the Internet Routing Table: 755 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2789 Number of LACNIC addresses announced to Internet: 97593152 Equivalent to 5 /8s, 209 /16s and 39 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 11421 Total AfriNIC prefixes after maximum aggregation: 2285 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 14201 Unique aggregates announced from the AfriNIC address blocks: 3752 AfriNIC Region origin ASes present in the Internet Routing Table: 288 AfriNIC Prefixes per ASN: 49.31 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 47843584 Equivalent to 2 /8s, 218 /16s and 9 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10874 8758 98 CHINAMOBILE-CN China Mobile Communication 56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati 56041 1632 718 90 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1484 192 50 CMNET-HUNAN-AP China Mobile communication 24547 867 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 605 2170 465 SINET-AS Research Organization of Informa 24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 480 804 160 ALIBABA-CN-NET Alibaba US Technology Co., 17676 464 8751 151 GIGAINFRA SoftBank Corp., JP Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13640 40954 5220 AMAZON-02, US 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2784 212 1700 USDA-1, US 36352 2557 210 1128 AS-COLOCROSSING, US 367 2440 2909 1171 DNIC-ASBLK-00306-00371, US 7018 2040 22876 1499 ATT-INTERNET4, US 6167 1901 3927 506 CELLCO-PART, US 11776 1900 259 214 ATLANTICBB-JOHNSTOWN, US 209 1660 4889 271 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 1936 130 50 ALJAWWALSTC-AS, SA 20940 1184 92 962 AKAMAI-ASN1, NL 3257 1001 2081 782 GTT-BACKBONE GTT, US 3215 894 4818 289 France Telecom - Orange, FR 25019 815 1301 129 SAUDINETSTC-AS, SA 8452 791 1841 16 TE-AS TE-AS, EG 34984 672 73 407 TELLCOM-AS, TR 212238 628 45 554 CDNEXT, GB 203214 613 45 398 HULUMTELE, IQ 8376 574 53 22 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7401 2003 952 UNINET, MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 10620 1676 243 1214 Telmex Colombia S.A., CO 3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1198 371 22 Telefonica del Peru S.A.A., PE 26615 1035 2503 52 TIM SA, BR 18881 884 1127 31 TELEFONICA BRASIL S.A, BR 22884 656 42 413 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE 27651 627 90 33 ENTEL CHILE S.A., CL Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1463 389 16 LINKdotNET-AS, EG 29571 1154 100 74 ORANGE-COTE-IVOIRE, CI 24835 1102 555 39 RAYA-AS, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36935 707 522 48 Vodafone-, EG 36992 579 1224 127 ETISALAT-MISR, EG 37069 559 1054 16 MOBINIL, EG 36914 556 82 3 KENET-AS, KE 36903 480 223 338 MT-MPLS, MA 2018 373 318 69 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13640 40954 5220 AMAZON-02, US 9808 10874 8758 98 CHINAMOBILE-CN China Mobile Communication 8151 7401 2003 952 UNINET, MX 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2784 212 1700 USDA-1, US 36352 2557 210 1128 AS-COLOCROSSING, US 367 2440 2909 1171 DNIC-ASBLK-00306-00371, US 56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati 7018 2040 22876 1499 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 10874 10776 CHINAMOBILE-CN China Mobile Communications Grou 8151 7401 6449 UNINET, MX 22773 3346 3180 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1991 1927 Instituto Costarricense de Electricidad y Telec 39891 1936 1886 ALJAWWALSTC-AS, SA 56046 2050 1862 CMNET-JIANGSU-AP China Mobile communications co 11776 1900 1686 ATLANTICBB-JOHNSTOWN, US 56041 1632 1542 CMNET-ZHEJIANG-AP China Mobile communications c 24863 1463 1447 LINKdotNET-AS, EG 56047 1484 1434 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-DATA-2914, US 41.204.224.0/24 Origin: 36911 RESERVED, ZZ 41.204.224.0/24 Transit: 328766 RESERVED, ZZ 41.204.226.0/24 Origin: 36911 RESERVED, ZZ 41.204.226.0/24 Transit: 328766 RESERVED, ZZ Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:30 /11:42 /12:150 /13:210 /14:573 /15:1102 /16:7635 /17:3435 /18:4198 /19:7585 /20:12551 /21:15276 /22:27025 /23:28014 /24:155023 /25:62 /26:82 /27:34 /28:13 /29:16 /30:10 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3989 7401 UNINET, MX 22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2378 13640 AMAZON-02, US 11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR 39891 1081 1936 ALJAWWALSTC-AS, SA 36352 1035 2557 AS-COLOCROSSING, US 19901 989 1288 BRSPD-PUBLIC, US 10620 971 1676 Telmex Colombia S.A., CO 209 964 1660 CENTURYLINK-US-LEGACY-QWEST, US 11776 883 1900 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:19 2:461 3:811 4:5 5:692 6:149 7:5 8:669 11:171 12:990 13:380 14:114 15:306 16:247 17:5 18:889 20:187 21:4 22:188 23:2603 24:637 27:22 29:19 31:543 32:9 33:1 34:10 35:181 36:1864 37:1029 38:1946 39:552 40:63 41:993 42:21 43:214 44:34 45:3588 46:973 47:80 49:19 50:350 51:387 52:1399 54:321 55:1086 56:11 57:19 58:16 59:30 60:16 61:75 62:546 63:748 64:1971 65:1090 66:1538 67:991 68:402 69:1123 70:475 71:197 72:647 74:942 75:320 76:248 77:469 78:360 79:293 80:276 81:354 82:736 83:234 84:338 85:429 86:246 87:220 88:299 89:687 90:104 91:932 92:617 93:497 94:912 95:658 96:293 97:53 98:459 99:190 100:36 101:17 102:342 103:1209 104:1666 105:216 106:3 107:1555 108:546 109:386 110:35 111:1922 112:521 113:38 114:40 115:24 116:57 117:1037 118:58 119:85 120:1272 121:43 122:68 123:76 124:61 125:25 128:484 129:399 130:679 131:923 132:559 133:211 134:453 135:112 136:598 137:507 138:841 139:422 140:701 141:363 142:1032 143:695 144:429 145:147 146:685 147:511 148:995 149:794 150:213 151:639 152:482 153:130 154:1185 155:867 156:1072 157:372 158:556 159:721 160:866 161:643 162:1005 163:481 164:715 165:779 166:785 167:670 168:1141 169:159 170:1584 171:126 172:1379 173:809 174:284 175:62 176:780 177:881 178:385 179:690 180:42 181:1771 182:27 183:968 184:457 185:3539 186:2102 187:1648 188:824 189:1899 190:4052 191:462 192:5192 193:1899 194:1244 195:931 196:692 197:1599 198:2735 199:4933 200:3639 201:3491 202:950 203:707 204:2160 205:1723 206:1530 207:1531 208:1454 209:1890 210:295 211:424 212:1034 213:757 214:938 215:37 216:2549 217:422 218:527 219:18 220:28 221:378 222:24 223:865 End of report