This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 30 May, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1080532 Prefixes after maximum aggregation (per Origin AS): 405406 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 519299 Number of IPv4 prefixes with a valid ROA: 697778 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 382732 Total ASes present in the Internet Routing Table: 78696 Prefixes per ASN: 13.73 Origin-only ASes present in the Internet Routing Table: 67332 Origin ASes announcing only one prefix: 27119 Transit ASes present in the Internet Routing Table: 11364 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 48 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1122 Number of instances of unregistered ASNs: 1152 Number of 32-bit ASNs allocated by the RIRs: 49951 Number of 32-bit ASNs visible in the Routing Table: 40811 Prefixes from 32-bit ASNs in the Routing Table: 239994 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: 330 Number of addresses announced to Internet: 3108906370 Equivalent to 185 /8s, 78 /16s and 37 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 353920 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 297267 Total APNIC prefixes after maximum aggregation: 84430 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 284243 Unique aggregates announced from the APNIC address blocks: 108614 APNIC Region origin ASes present in the Internet Routing Table: 15278 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 4649 APNIC Region transit ASes present in the Internet Routing Table: 2072 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10825 Number of APNIC addresses announced to Internet: 752229696 Equivalent to 44 /8s, 214 /16s and 29 /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: 307168 Total ARIN prefixes after maximum aggregation: 137793 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 305513 Unique aggregates announced from the ARIN address blocks: 148183 ARIN Region origin ASes present in the Internet Routing Table: 19459 ARIN Prefixes per ASN: 15.70 ARIN Region origin ASes announcing only one prefix: 7126 ARIN Region transit ASes present in the Internet Routing Table: 1983 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5612 Number of ARIN addresses announced to Internet: 1348173314 Equivalent to 80 /8s, 91 /16s and 126 /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: 294410 Total RIPE prefixes after maximum aggregation: 144455 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 298087 Unique aggregates announced from the RIPE address blocks: 192646 RIPE Region origin ASes present in the Internet Routing Table: 29587 RIPE Prefixes per ASN: 10.07 RIPE Region origin ASes announcing only one prefix: 12225 RIPE Region transit ASes present in the Internet Routing Table: 4121 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13515 Number of RIPE addresses announced to Internet: 734315136 Equivalent to 43 /8s, 196 /16s and 194 /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: 138869 Total LACNIC prefixes after maximum aggregation: 30945 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 133126 Unique aggregates announced from the LACNIC address blocks: 50330 LACNIC Region origin ASes present in the Internet Routing Table: 11425 LACNIC Prefixes per ASN: 11.65 LACNIC Region origin ASes announcing only one prefix: 2450 LACNIC Region transit ASes present in the Internet Routing Table: 2608 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9461 Number of LACNIC addresses announced to Internet: 169722048 Equivalent to 10 /8s, 29 /16s and 192 /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: 41696 Total AfriNIC prefixes after maximum aggregation: 7146 AfriNIC Deaggregation factor: 5.83 Prefixes being announced from the AfriNIC address blocks: 59233 Unique aggregates announced from the AfriNIC address blocks: 19242 AfriNIC Region origin ASes present in the Internet Routing Table: 2033 AfriNIC Prefixes per ASN: 29.14 AfriNIC Region origin ASes announcing only one prefix: 669 AfriNIC Region transit ASes present in the Internet Routing Table: 394 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1398 Number of AfriNIC addresses announced to Internet: 104302592 Equivalent to 6 /8s, 55 /16s and 136 /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 14097 8952 143 CHINAMOBILE-CN - China Mobile Communicati 7545 5873 825 473 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4943 552 325 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4814 4192 73 ERX-CERNET-BKB - China Education and Rese 18403 4551 347 25 FPT-VN - FPT Telecom Company, VN 45899 4464 1873 54 VNPT-AS-VN - VNPT Corp, VN 7552 4063 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3697 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3686 906 230 CMNET-Jiangsu-AP - China Mobile communica 17561 3396 214 599 LCS-AS-AP - LARUS Limited, HK Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15026 41422 5718 AMAZON-02 - Amazon.com, Inc., US 22773 4757 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1088 CABLEONE - CABLE ONE, INC., US 7155 3870 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 174 3696 8757 837 COGENT-174 - Cogent Communications, LLC, 396982 3362 4868 512 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3136 54728 2387 DNIC-AS-00749 - United States Department 36352 3073 232 1043 AS-COLOCROSSING - HostPapa, US 7029 2636 2540 893 WINDSTREAM - Windstream Communications LL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7176 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4070 370 2463 M247 - M247 Europe SRL, RO 20940 3812 3389 110 AKAMAI-ASN1 - Akamai International B.V., 12389 3196 2318 870 ROSTELECOM-AS - PJSC Rostelecom, RU 212238 2946 215 2189 CDNEXT - Datacamp Limited, GB 34984 2487 367 582 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1727 1852 17 TE-AS - IDDQD-AS, EG 203020 1651 252 825 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12764 3254 632 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2346 498 350 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 28573 1577 2430 269 AS28573 - Claro NXT Telecomunicacoes Ltda 11664 1475 277 34 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1225 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1084 71 364 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1072 2392 100 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 2028 649 36 Vodafone Data - Vodafone Data, EG 36992 1860 1532 337 ETISALAT MISR - ETISALAT MISR, EG 37457 1659 385 28 Telkom SA Ltd. - Telkom SA Ltd., ZA 20011 1292 191 311 Dimension Data - Dimension Data, ZA 36935 1292 523 45 Vodafone Data - Vodafone Data, EG 24863 1263 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1232 555 98 Office National des Postes et Telecommuni 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 642 58 171 Africa on Cloud - Africa on Cloud, ZA Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15026 41422 5718 AMAZON-02 - Amazon.com, Inc., US 9808 14097 8952 143 CHINAMOBILE-CN - China Mobile Communicati 8151 12764 3254 632 AS8151 - UNINET, MX 12479 7176 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5873 825 473 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4943 552 325 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4814 4192 73 ERX-CERNET-BKB - China Education and Rese 22773 4757 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1088 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14097 13954 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12764 12132 AS8151 - UNINET, MX 12479 7176 7027 UNI2-AS - Orange Espagne SA, ES 7545 5873 5400 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4814 4741 ERX-CERNET-BKB - China Education and Research N 9498 4943 4618 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4551 4526 FPT-VN - FPT Telecom Company, VN 45899 4464 4410 VNPT-AS-VN - VNPT Corp, VN 22773 4757 4393 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH - OVH SAS, FR 23.137.200.0/24 Transit: 3605 ERX-KUENTOS-AS - Guam Cablevision, LLC., Complete listing at https://bgp.nsrc.org/REN/Guam/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 /9:14 /10:39 /11:95 /12:299 /13:584 /14:1191 /15:2116 /16:13731 /17:8502 /18:14038 /19:26425 /20:47830 /21:53856 /22:115643 /23:114273 /24:681163 /25:75 /26:84 /27:110 /28:36 /29:62 /30:9 /31:3 /32:338 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6983 12764 AS8151 - UNINET, MX 12479 6112 7176 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3470 4594 CABLEONE - CABLE ONE, INC., US 22773 3056 4757 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2825 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2707 15026 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2197 2541 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2590 2:2063 3:997 4:7 5:5254 6:204 7:6 8:1507 9:64 11:172 12:1125 13:696 14:2750 15:467 16:223 17:445 18:919 20:633 21:4 22:188 23:8418 24:2772 25:2 27:2863 28:1 29:19 31:3696 32:40 34:92 35:289 36:4815 37:4464 38:10986 39:1310 40:413 41:4654 42:2181 43:3315 44:457 45:20773 46:5004 47:442 48:158 49:2344 50:2025 51:811 52:1350 54:287 55:1100 56:11 57:330 58:2777 59:1690 60:1182 61:3379 62:3203 63:1682 64:6361 65:2156 66:6172 67:3265 68:1518 69:4216 70:1053 71:617 72:3184 74:3089 75:1498 76:594 77:2958 78:2048 79:1822 80:2385 81:2296 82:4259 83:1466 84:2182 85:3859 86:1104 87:2768 88:1325 89:4821 90:807 91:8567 92:2788 93:3043 94:4528 95:4742 96:1446 97:308 98:942 99:849 100:70 101:1660 102:5333 103:32764 104:5495 105:2331 106:920 107:2948 108:1280 109:4361 110:2297 111:4207 112:3205 113:2123 114:2559 115:2360 116:2131 117:3639 118:3116 119:2177 120:2802 121:1648 122:3058 123:2311 124:1854 125:3055 126:158 128:1596 129:1017 130:1701 131:2550 132:893 133:490 134:1725 135:621 136:1467 137:1378 138:3684 139:1772 140:1876 141:1793 142:2594 143:2118 144:1787 145:650 146:2198 147:2259 148:2801 149:3250 150:1389 151:3005 152:2369 153:1727 154:9806 155:2327 156:5006 157:2467 158:1578 159:2868 160:3909 161:1997 162:4131 163:2649 164:2431 165:2729 166:1263 167:2366 168:4294 169:895 170:5871 171:1164 172:4882 173:3446 174:888 175:1409 176:4007 177:5741 178:4534 179:2698 180:3274 181:4760 182:4063 183:2882 184:2021 185:21992 186:6686 187:5441 188:4603 189:4715 190:10112 191:1836 192:11734 193:9649 194:7992 195:6044 196:3634 197:3880 198:6153 199:6079 200:8528 201:6647 202:11212 203:10955 204:4781 205:3709 206:4483 207:3869 208:4386 209:5458 210:5249 211:2885 212:5149 213:4141 214:1041 215:47 216:7296 217:3637 218:2072 219:654 220:2359 221:1348 222:1448 223:3646 End of report