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 04 Jul, 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: 1062718 Prefixes after maximum aggregation (per Origin AS): 408127 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525588 Number of IPv4 prefixes with a valid ROA: 714116 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 348578 Total ASes present in the Internet Routing Table: 78811 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67421 Origin ASes announcing only one prefix: 27538 Transit ASes present in the Internet Routing Table: 11390 Transit-only ASes present in the Internet Routing Table: 606 Paths with bogon ASNs present in the IPv4 Routing Table: 44 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: 1295 Number of instances of unregistered ASNs: 1325 Number of 32-bit ASNs allocated by the RIRs: 50306 Number of 32-bit ASNs visible in the Routing Table: 41033 Prefixes from 32-bit ASNs in the Routing Table: 236572 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 372 Number of addresses announced to Internet: 3122798978 Equivalent to 186 /8s, 34 /16s and 33 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 347255 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290169 Total APNIC prefixes after maximum aggregation: 85348 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 276394 Unique aggregates announced from the APNIC address blocks: 109924 APNIC Region origin ASes present in the Internet Routing Table: 15319 APNIC Prefixes per ASN: 18.04 APNIC Region origin ASes announcing only one prefix: 4711 APNIC Region transit ASes present in the Internet Routing Table: 2080 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10878 Number of APNIC addresses announced to Internet: 752731712 Equivalent to 44 /8s, 221 /16s and 198 /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: 308544 Total ARIN prefixes after maximum aggregation: 137995 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 306694 Unique aggregates announced from the ARIN address blocks: 149718 ARIN Region origin ASes present in the Internet Routing Table: 19470 ARIN Prefixes per ASN: 15.75 ARIN Region origin ASes announcing only one prefix: 7118 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5660 Number of ARIN addresses announced to Internet: 1348291586 Equivalent to 80 /8s, 93 /16s and 76 /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: 293970 Total RIPE prefixes after maximum aggregation: 145985 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 298525 Unique aggregates announced from the RIPE address blocks: 195540 RIPE Region origin ASes present in the Internet Routing Table: 29590 RIPE Prefixes per ASN: 10.09 RIPE Region origin ASes announcing only one prefix: 12245 RIPE Region transit ASes present in the Internet Routing Table: 4109 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13587 Number of RIPE addresses announced to Internet: 749576320 Equivalent to 44 /8s, 173 /16s and 160 /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: 130141 Total LACNIC prefixes after maximum aggregation: 30948 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 124913 Unique aggregates announced from the LACNIC address blocks: 50478 LACNIC Region origin ASes present in the Internet Routing Table: 11436 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2759 LACNIC Region transit ASes present in the Internet Routing Table: 2619 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: 9504 Number of LACNIC addresses announced to Internet: 167737024 Equivalent to 9 /8s, 255 /16s and 118 /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: 38599 Total AfriNIC prefixes after maximum aggregation: 7111 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 55820 Unique aggregates announced from the AfriNIC address blocks: 19610 AfriNIC Region origin ASes present in the Internet Routing Table: 2039 AfriNIC Prefixes per ASN: 27.38 AfriNIC Region origin ASes announcing only one prefix: 705 AfriNIC Region transit ASes present in the Internet Routing Table: 397 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1404 Number of AfriNIC addresses announced to Internet: 104226304 Equivalent to 6 /8s, 54 /16s and 94 /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 14172 8783 166 CHINAMOBILE-CN - China Mobile Communicati 7545 5852 818 466 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4990 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4611 347 24 FPT-VN - FPT Telecom Company, VN 7552 4059 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3725 908 230 CMNET-Jiangsu-AP - China Mobile communica 7713 3702 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3399 214 593 LCS-AS-AP - LARUS Limited, HK 45899 3384 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2733 731 730 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15499 41510 5597 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3909 8847 808 COGENT-174 - Cogent Communications, LLC, 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3411 4871 523 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3157 237 1088 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2657 2535 885 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 7063 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4176 376 2550 M247 - M247 Europe SRL, RO 20940 3828 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3389 242 2536 CDNEXT - Datacamp Limited, GB 12389 3140 2321 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2494 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1712 1852 17 TE-AS - IDDQD-AS, EG 44559 1702 106 819 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12782 3257 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2299 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1909 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1376 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1207 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 388 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1064 2385 96 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1315 523 46 Vodafone Data - Vodafone Data, EG 24863 1298 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 625 56 206 Africa on Cloud - Africa on Cloud, ZA 36914 553 82 3 Kenya Education Network - Kenya Education 15399 550 57 59 Wananchi Group (Kenya) Limited - Wananchi 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 15499 41510 5597 AMAZON-02 - Amazon.com, Inc., US 9808 14172 8783 166 CHINAMOBILE-CN - China Mobile Communicati 8151 12782 3257 626 AS8151 - UNINET, MX 12479 7063 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5852 818 466 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4990 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4774 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4611 347 24 FPT-VN - FPT Telecom Company, VN 11492 4554 303 1128 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 14172 14006 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12782 12156 AS8151 - UNINET, MX 12479 7063 6913 UNI2-AS - Orange Espagne SA, ES 7545 5852 5386 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4990 4654 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4611 4587 FPT-VN - FPT Telecom Company, VN 22773 4774 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4059 4035 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 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 396243 UNALLOCATED 8.34.113.0/24 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 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 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 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 /11:97 /12:300 /13:590 /14:1189 /15:2123 /16:13761 /17:8397 /18:13390 /19:25673 /20:46358 /21:52918 /22:113966 /23:109539 /24:673913 /25:67 /26:83 /27:108 /28:32 /29:57 /30:8 /31:1 /32:79 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6999 12782 AS8151 - UNINET, MX 12479 5990 7063 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3444 4554 CABLEONE - CABLE ONE, INC., US 22773 3053 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2881 15499 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2205 2551 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) ---------------------------------------------- 1:2601 2:2043 3:1020 4:7 5:5228 6:207 7:6 8:1432 9:76 11:172 12:1109 13:770 14:2733 15:474 16:365 17:451 18:946 20:621 21:4 22:188 23:8494 24:2779 25:2 27:2823 28:1 29:19 31:3824 32:37 34:91 35:291 36:4823 37:4427 38:11203 39:1342 40:437 41:4645 42:2185 43:3392 44:469 45:19888 46:4961 47:487 48:168 49:2290 50:2006 51:902 52:1362 54:303 55:1159 56:11 57:328 58:2760 59:1614 60:1210 61:3215 62:3175 63:1693 64:6515 65:2149 66:6080 67:3316 68:1282 69:4086 70:1045 71:608 72:3230 74:3062 75:1506 76:597 77:2903 78:2130 79:1797 80:2374 81:2298 82:4312 83:1485 84:2193 85:3888 86:1093 87:2917 88:1314 89:4854 90:777 91:8494 92:2760 93:3037 94:4683 95:4709 96:1448 97:311 98:932 99:971 100:72 101:1394 102:4908 103:32605 104:5606 105:1107 106:911 107:2941 108:1325 109:3898 110:2291 111:4212 112:3112 113:1999 114:2518 115:2315 116:2101 117:3631 118:3006 119:2122 120:2796 121:1645 122:3040 123:2302 124:2062 125:2999 126:158 128:1583 129:980 130:1724 131:2531 132:899 133:488 134:1755 135:641 136:1529 137:1394 138:3418 139:1863 140:1882 141:1737 142:2625 143:2102 144:1840 145:677 146:2194 147:2275 148:2812 149:3382 150:1362 151:2950 152:2397 153:1958 154:10158 155:2364 156:4582 157:2449 158:1594 159:2879 160:3891 161:2041 162:4148 163:2655 164:2424 165:2776 166:1300 167:2355 168:4119 169:875 170:5622 171:1140 172:4894 173:3482 174:897 175:1396 176:4031 177:5158 178:4523 179:2472 180:3404 181:4728 182:4026 183:2880 184:2044 185:21931 186:6701 187:5476 188:4823 189:4645 190:10040 191:1821 192:11838 193:9647 194:7952 195:5927 196:3461 197:3261 198:6181 199:6084 200:8393 201:6604 202:10760 203:10647 204:4717 205:3757 206:4454 207:3921 208:4367 209:5423 210:4753 211:2728 212:5211 213:4110 214:1036 215:47 216:7290 217:3742 218:1815 219:444 220:2215 221:1333 222:947 223:3605 End of report