IPv4 R&E Routing Table Report 20:15 GMT Fri 26 Dec, 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: 294184 Prefixes after maximum aggregation (per Origin AS): 121820 Deaggregation factor: 2.41 Unique aggregates announced (without unneeded subnets): 154220 Number of IPv4 prefixes with a valid ROA: 148109 Number of IPv4 prefixes with an invalid ROA: 199 Number of IPv4 prefixes with no ROA: 145876 Total ASes present in the Internet Routing Table: 20730 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17881 Origin ASes announcing only one prefix: 8051 Transit ASes present in the Internet Routing Table: 2849 Transit-only ASes present in the Internet Routing Table: 736 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 33 Max AS path prepend of ASN ( 37133) 26 Prefixes from unregistered ASNs in the Routing Table: 263 Number of instances of unregistered ASNs: 292 Number of 32-bit ASNs allocated by the RIRs: 48312 Number of 32-bit ASNs visible in the Routing Table: 8337 Prefixes from 32-bit ASNs in the Routing Table: 34577 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 130 Number of addresses announced to Internet: 1622248645 Equivalent to 96 /8s, 177 /16s and 140 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 97312 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42359 Total APNIC prefixes after maximum aggregation: 8734 APNIC Deaggregation factor: 4.85 Prefixes being announced from the APNIC address blocks: 38851 Unique aggregates announced from the APNIC address blocks: 8668 APNIC Region origin ASes present in the Internet Routing Table: 1270 APNIC Prefixes per ASN: 30.59 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 212 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 616 Number of APNIC addresses announced to Internet: 167956332 Equivalent to 10 /8s, 2 /16s and 207 /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: 131234 Total ARIN prefixes after maximum aggregation: 67420 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 129241 Unique aggregates announced from the ARIN address blocks: 75074 ARIN Region origin ASes present in the Internet Routing Table: 9345 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 3884 ARIN Region transit ASes present in the Internet Routing Table: 880 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2241 Number of ARIN addresses announced to Internet: 1015811369 Equivalent to 60 /8s, 140 /16s and 13 /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: 52350 Total RIPE prefixes after maximum aggregation: 26400 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54801 Unique aggregates announced from the RIPE address blocks: 37935 RIPE Region origin ASes present in the Internet Routing Table: 4576 RIPE Prefixes per ASN: 11.98 RIPE Region origin ASes announcing only one prefix: 1949 RIPE Region transit ASes present in the Internet Routing Table: 694 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1933 Number of RIPE addresses announced to Internet: 285168848 Equivalent to 16 /8s, 255 /16s and 84 /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: 57215 Total LACNIC prefixes after maximum aggregation: 16534 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55034 Unique aggregates announced from the LACNIC address blocks: 24415 LACNIC Region origin ASes present in the Internet Routing Table: 4355 LACNIC Prefixes per ASN: 12.64 LACNIC Region origin ASes announcing only one prefix: 1561 LACNIC Region transit ASes present in the Internet Routing Table: 838 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3348 Number of LACNIC addresses announced to Internet: 107731808 Equivalent to 6 /8s, 107 /16s and 219 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 10763 Total AfriNIC prefixes after maximum aggregation: 2524 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 16127 Unique aggregates announced from the AfriNIC address blocks: 8004 AfriNIC Region origin ASes present in the Internet Routing Table: 334 AfriNIC Prefixes per ASN: 48.28 AfriNIC Region origin ASes announcing only one prefix: 140 AfriNIC Region transit ASes present in the Internet Routing Table: 96 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 199 Number of AfriNIC addresses announced to Internet: 45431552 Equivalent to 2 /8s, 181 /16s and 59 /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 13190 8729 119 CHINAMOBILE-CN China Mobile Communication 56046 3326 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2210 139 501 LCS-AS-AP LARUS Limited, HK 56041 1756 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1731 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1039 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 908 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 886 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 739 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 136787 696 44 392 PACKETHUBSA-AS-AP PacketHub S.A., PA 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 13998 38461 5442 AMAZON-02, US 22773 4743 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 749 3144 54729 2395 DNIC-AS-00749, US 11492 2807 182 1298 CABLEONE, US 36352 2415 200 1144 AS-COLOCROSSING, US 6167 1972 4172 531 CELLCO-PART, US 11776 1908 259 213 ATLANTICBB-JOHNSTOWN, US 367 1798 1883 816 DNIC-ASBLK-00306-00371, US 209 1642 4884 264 CENTURYLINK-US-LEGACY-QWEST, US 19901 1472 716 706 BRIGHTSPEED, 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 4901 302 70 ALJAWWALSTC-AS, SA 20940 1330 102 1070 AKAMAI-ASN1, NL 25019 1156 1335 138 SAUDINETSTC-AS, SA 34984 1133 170 801 TELLCOM-AS, TR 3215 898 4820 298 France Telecom - Orange, FR 8452 856 1841 16 TE-AS TE-AS, EG 212238 820 59 720 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 552 53 25 Jordan Data Communications, JO 5511 530 98 449 OPENTRANSIT, FR 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 7332 1919 772 UNINET, MX 11830 1987 369 65 Instituto Costarricense de Electricidad y 10620 1591 224 1173 Telmex Colombia S.A., CO 11664 1369 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1259 371 22 Telefonica del Peru S.A.A., PE 26615 1010 2486 56 TIM SA, BR 18881 904 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 688 43 205 UFINET PANAMA S.A., PA 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 24835 1428 341 76 RAYA-AS, EG 37069 1099 1084 13 MOBINIL, EG 24863 977 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 561 82 3 KENET-AS, KE 29571 541 94 22 ORANGE-COTE-IVOIRE, CI 36903 507 235 347 MT-MPLS, MA 36935 495 129 131 Vodafone-, EG 36992 467 984 263 ETISALAT-MISR, EG 2018 357 318 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 13998 38461 5442 AMAZON-02, US 9808 13190 8729 119 CHINAMOBILE-CN China Mobile Communication 8151 7332 1919 772 UNINET, MX 39891 4901 302 70 ALJAWWALSTC-AS, SA 22773 4743 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3326 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3144 54729 2395 DNIC-AS-00749, US 11492 2807 182 1298 CABLEONE, US 36352 2415 200 1144 AS-COLOCROSSING, US 17561 2210 139 501 LCS-AS-AP LARUS Limited, HK 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 13190 13071 CHINAMOBILE-CN China Mobile Communications Grou 8151 7332 6560 UNINET, MX 39891 4901 4831 ALJAWWALSTC-AS, SA 22773 4743 4370 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3326 3131 CMNET-JIANGSU-AP China Mobile communications co 11830 1987 1922 Instituto Costarricense de Electricidad y Telec 17561 2210 1709 LCS-AS-AP LARUS Limited, HK 11776 1908 1695 ATLANTICBB-JOHNSTOWN, US 56047 1731 1681 CMNET-HUNAN-AP China Mobile communications corp 56041 1756 1677 CMNET-ZHEJIANG-AP China Mobile communications c 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4, US 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.110.210.0/23 7018 ATT-INTERNET4, US 12114 UNALLOCATED 12.129.100.0/24 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 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 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 23.155.185.0/24 Origin: 401541 OSIE, US 23.155.185.0/24 Transit: 397423 TIER-NET, US 23.157.217.0/24 Origin: 401541 OSIE, US 23.157.217.0/24 Transit: 397423 TIER-NET, US 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 /8:14 /9:11 /10:33 /11:51 /12:156 /13:216 /14:586 /15:1070 /16:7475 /17:3477 /18:4159 /19:7654 /20:13270 /21:16354 /22:28872 /23:30017 /24:180536 /25:60 /26:83 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4021 7332 UNINET, MX 39891 3587 4901 ALJAWWALSTC-AS, SA 22773 3051 4743 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2456 13998 AMAZON-02, US 11492 2231 2807 CABLEONE, US 11830 1691 1987 Instituto Costarricense de Electricidad y Telecom., CR 19901 1055 1472 BRIGHTSPEED, US 11664 1046 1369 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1014 2415 AS-COLOCROSSING, US 10620 959 1591 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:29 2:473 3:972 4:5 5:1188 6:172 7:5 8:632 9:5 11:172 12:888 13:542 14:179 15:359 16:250 17:3 18:907 20:221 21:4 22:188 23:2951 24:1190 27:59 29:19 31:510 32:13 34:7 35:182 36:3337 37:641 38:2494 39:801 40:267 41:1079 42:29 43:217 44:37 45:4475 46:944 47:171 49:20 50:498 51:521 52:1087 54:218 55:1127 56:11 57:39 58:46 59:47 60:74 61:58 62:599 63:742 64:2349 65:1047 66:2453 67:1491 68:509 69:1333 70:445 71:162 72:873 74:1012 75:301 76:253 77:409 78:548 79:264 80:350 81:412 82:864 83:210 84:374 85:612 86:249 87:194 88:282 89:675 90:107 91:971 92:684 93:975 94:1004 95:1324 96:584 97:55 98:398 99:270 100:21 101:20 102:527 103:1244 104:1778 105:202 107:1687 108:553 109:372 110:93 111:2676 112:1221 113:36 114:35 115:55 116:56 117:1478 118:68 119:89 120:1765 121:38 122:75 123:110 124:67 125:51 128:572 129:388 130:699 131:1136 132:552 133:221 134:524 135:140 136:685 137:586 138:1011 139:448 140:766 141:378 142:1451 143:879 144:377 145:192 146:692 147:502 148:1040 149:717 150:285 151:858 152:887 153:279 154:2311 155:1061 156:2051 157:486 158:630 159:971 160:998 161:707 162:1026 163:440 164:737 165:628 166:583 167:705 168:1484 169:168 170:1971 171:102 172:1573 173:1117 174:428 175:98 176:722 177:902 178:613 179:895 180:91 181:2531 182:28 183:1551 184:589 185:3588 186:3429 187:1687 188:996 189:1876 190:6402 191:564 192:5131 193:1733 194:1148 195:1022 196:735 197:1054 198:2753 199:2506 200:4623 201:3679 202:1079 203:807 204:2238 205:1822 206:1598 207:1842 208:1753 209:1977 210:384 211:504 212:1081 213:834 214:979 215:43 216:2582 217:628 218:639 219:29 220:82 221:525 222:30 223:1628 End of report