IPv4 R&E Routing Table Report 20:15 GMT Mon 21 Sep, 2026 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: 292670 Prefixes after maximum aggregation (per Origin AS): 120165 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 151842 Number of IPv4 prefixes with a valid ROA: 197345 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 95282 Total ASes present in the Internet Routing Table: 20064 Prefixes per ASN: 14.59 Origin-only ASes present in the Internet Routing Table: 17190 Origin ASes announcing only one prefix: 7780 Transit ASes present in the Internet Routing Table: 2874 Transit-only ASes present in the Internet Routing Table: 713 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 46 Max AS path prepend of ASN ( 30075) 41 Prefixes from unregistered ASNs in the Routing Table: 282 Number of instances of unregistered ASNs: 283 Number of 32-bit ASNs allocated by the RIRs: 51313 Number of 32-bit ASNs visible in the Routing Table: 8538 Prefixes from 32-bit ASNs in the Routing Table: 37209 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 120 Number of addresses announced to Internet: 1640245445 Equivalent to 97 /8s, 196 /16s and 40 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 44.3 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: 92271 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43573 Total APNIC prefixes after maximum aggregation: 8562 APNIC Deaggregation factor: 5.09 Prefixes being announced from the APNIC address blocks: 41250 Unique aggregates announced from the APNIC address blocks: 9027 APNIC Region origin ASes present in the Internet Routing Table: 1234 APNIC Prefixes per ASN: 33.43 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 230 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 603 Number of APNIC addresses announced to Internet: 173487948 Equivalent to 10 /8s, 87 /16s and 55 /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: 131695 Total ARIN prefixes after maximum aggregation: 65932 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 128966 Unique aggregates announced from the ARIN address blocks: 71963 ARIN Region origin ASes present in the Internet Routing Table: 8771 ARIN Prefixes per ASN: 14.70 ARIN Region origin ASes announcing only one prefix: 3649 ARIN Region transit ASes present in the Internet Routing Table: 835 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2186 Number of ARIN addresses announced to Internet: 1026067177 Equivalent to 61 /8s, 40 /16s and 138 /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, 393216-404380 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: 48871 Total RIPE prefixes after maximum aggregation: 25953 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 52650 Unique aggregates announced from the RIPE address blocks: 38403 RIPE Region origin ASes present in the Internet Routing Table: 4372 RIPE Prefixes per ASN: 12.04 RIPE Region origin ASes announcing only one prefix: 1850 RIPE Region transit ASes present in the Internet Routing Table: 674 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1987 Number of RIPE addresses announced to Internet: 292973520 Equivalent to 17 /8s, 118 /16s and 107 /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 196608-219547 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: 58102 Total LACNIC prefixes after maximum aggregation: 17046 LACNIC Deaggregation factor: 3.41 Prefixes being announced from the LACNIC address blocks: 54961 Unique aggregates announced from the LACNIC address blocks: 24745 LACNIC Region origin ASes present in the Internet Routing Table: 4567 LACNIC Prefixes per ASN: 12.03 LACNIC Region origin ASes announcing only one prefix: 1688 LACNIC Region transit ASes present in the Internet Routing Table: 939 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3609 Number of LACNIC addresses announced to Internet: 104334528 Equivalent to 6 /8s, 56 /16s and 4 /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: 10147 Total AfriNIC prefixes after maximum aggregation: 2486 AfriNIC Deaggregation factor: 4.08 Prefixes being announced from the AfriNIC address blocks: 14723 Unique aggregates announced from the AfriNIC address blocks: 7595 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 53.34 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 153 Number of AfriNIC addresses announced to Internet: 43293184 Equivalent to 2 /8s, 148 /16s and 154 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13864 8737 135 CHINAMOBILE-CN - China Mobile Communicati 56046 3546 887 191 CMNET-Jiangsu-AP - China Mobile communica 56041 2146 723 110 CMNET-Zhejiang-AP - China Mobile communic 56047 1748 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1117 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 17561 1107 70 218 LCS-AS-AP - LARUS Limited, HK 24547 959 177 52 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 940 481 56 CMNET-Jiangxi-AP - China Mobile communica 45102 929 1328 192 ALIBABA-CN-NET - Alibaba (US) Technology 24445 911 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun 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 18450 42652 5670 AMAZON-02 - Amazon.com, Inc., US 22773 4858 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2168 4386 560 CELLCO-PART - Verizon Business, US 209 1586 4845 242 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 2914 1475 1594 1142 NTT-DATA-2914 - NTT America, Inc., US 577 1458 1712 310 BACOM - Bell Canada, CA 20057 1449 972 122 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 14618 1430 5306 1075 AMAZON-AES - Amazon.com, Inc., US 11776 1369 185 237 ATLANTICBB-JOHNSTOWN - Breezeline, 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 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 25019 1240 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1208 94 996 AKAMAI-ASN1 - Akamai International B.V., 34984 1065 156 752 TELLCOM-AS - Superonline Iletisim Hizmetl 212238 1002 70 890 CDNEXT - Datacamp Limited, GB 8452 948 1841 19 TE-AS - IDDQD-AS, EG 3215 882 4826 342 AS3215 - Orange S.A., FR 8376 755 54 31 UNSPECIFIED - Jordan Data Communications 5511 694 116 602 Opentransit - Orange S.A., FR 51167 568 133 250 CONTABO - Contabo GmbH, DE 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 6993 1940 618 AS8151 - UNINET, MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 10620 1612 216 1167 AS10620 - Telmex Colombia S.A., CO 11664 1491 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1196 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1041 2262 94 AS26615 - TIM S/A, BR 18881 955 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 52468 753 47 272 AS52468 - UFINET PANAMA S.A., PA 12252 646 160 23 AS12252 - America Movil Peru S.A.C., PE 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 1404 370 84 Vodafone Data - Vodafone Data, EG 37069 1023 1068 44 The Egyptian Company for Mobile Services 29571 903 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36935 642 515 17 Vodafone Data - Vodafone Data, EG 36992 597 888 354 ETISALAT MISR - ETISALAT MISR, EG 36914 547 82 3 Kenya Education Network - Kenya Education 36903 537 239 350 Office National des Postes et Telecommuni 24863 525 66 270 Link Egypt (Link.NET) - Link Egypt (Link. 2018 374 318 69 Tertiary Education and Research Network o 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, 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 18450 42652 5670 AMAZON-02 - Amazon.com, Inc., US 9808 13864 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 6993 1940 618 AS8151 - UNINET, MX 22773 4858 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 56046 3546 887 191 CMNET-Jiangsu-AP - China Mobile communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2168 4386 560 CELLCO-PART - Verizon Business, US 56041 2146 723 110 CMNET-Zhejiang-AP - China Mobile communic 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 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 13864 13729 CHINAMOBILE-CN - China Mobile Communications Gr 8151 6993 6375 AS8151 - UNINET, MX 22773 4858 4441 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 39891 4121 4054 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 56046 3546 3355 CMNET-Jiangsu-AP - China Mobile communications 56041 2146 2036 CMNET-Zhejiang-AP - China Mobile communications 11830 1866 1801 AS11830 - Instituto Costarricense de Electricid 56047 1748 1696 CMNET-Hunan-AP - China Mobile communications co 6167 2168 1608 CELLCO-PART - Verizon Business, US 11664 1491 1459 AS11664 - Techtel LMDS Comunicaciones Interacti 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 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 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 - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 24482 SGGS-AS-AP - SG.GS, SG 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 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 /10:31 /11:57 /12:160 /13:222 /14:584 /15:1102 /16:7602 /17:3463 /18:4238 /19:7718 /20:12883 /21:16092 /22:26733 /23:29823 /24:181642 /25:63 /26:84 /27:44 /28:20 /29:8 /30:18 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3799 6993 AS8151 - UNINET, MX 16509 3615 18450 AMAZON-02 - Amazon.com, Inc., US 39891 3211 4121 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3111 4858 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 11830 1592 1866 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1211 1491 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1025 1612 AS10620 - Telmex Colombia S.A., CO 6167 997 2168 CELLCO-PART - Verizon Business, US 7459 933 1287 GRANDECOM-AS1 - Grande Communications Networks, LLC, US 209 922 1586 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:97 2:530 3:1767 4:1 5:1036 6:203 7:5 8:561 9:12 11:171 12:776 13:1273 14:131 15:427 16:234 17:4 18:1845 20:376 21:4 22:188 23:2804 24:736 27:25 28:7 29:19 31:448 32:12 34:10 35:185 36:3500 37:625 38:2816 39:996 40:79 41:1147 42:17 43:251 44:29 45:4473 46:952 47:236 48:108 49:54 50:482 51:463 52:1267 54:428 55:1161 56:11 57:33 58:6 59:27 60:14 61:77 62:677 63:737 64:2268 65:1088 66:2420 67:1187 68:501 69:1129 70:425 71:137 72:730 74:1000 75:282 76:206 77:503 78:540 79:282 80:294 81:388 82:823 83:200 84:393 85:576 86:289 87:247 88:279 89:652 90:96 91:883 92:581 93:934 94:1002 95:1099 96:326 97:43 98:423 99:453 100:33 101:31 102:396 103:1125 104:1595 105:264 106:10 107:1295 108:1085 109:362 110:65 111:2957 112:1458 113:42 114:26 115:14 116:57 117:1703 118:58 119:79 120:2192 121:21 122:80 123:43 124:66 125:36 126:2 128:442 129:367 130:732 131:1264 132:537 133:208 134:584 135:136 136:671 137:634 138:1094 139:468 140:699 141:520 142:1593 143:976 144:566 145:215 146:633 147:498 148:1078 149:867 150:378 151:958 152:779 153:676 154:1883 155:987 156:1683 157:419 158:690 159:980 160:1111 161:803 162:988 163:446 164:739 165:574 166:557 167:755 168:1556 169:171 170:1824 171:94 172:1449 173:769 174:348 175:93 176:683 177:1329 178:546 179:935 180:29 181:2747 182:24 183:1844 184:431 185:3343 186:3466 187:2198 188:854 189:1906 190:6240 191:605 192:5045 193:1737 194:1138 195:981 196:730 197:622 198:2538 199:2502 200:4354 201:3406 202:1034 203:770 204:2045 205:2051 206:1453 207:1770 208:1519 209:1926 210:378 211:548 212:1058 213:873 214:983 215:44 216:2456 217:570 218:691 219:31 220:36 221:562 222:35 223:1757 End of report