[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jul 27 21:29:45 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Sun 27 Jul, 2025

  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:                             1013397
    Prefixes after maximum aggregation (per Origin AS):          384831
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      488217
    Number of IPv4 prefixes with a valid ROA:                    568031
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         445347
Total ASes present in the Internet Routing Table:                 77191
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           66057
Origin ASes announcing only one prefix:                           26897
Transit ASes present in the Internet Routing Table:               11134
Transit-only ASes present in the Internet Routing Table:            576
Paths with bogon ASNs present in the IPv4 Routing Table:             30
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1124
    Number of instances of unregistered ASNs:                      1157
Number of 32-bit ASNs allocated by the RIRs:                      46959
Number of 32-bit ASNs visible in the Routing Table:               38687
Prefixes from 32-bit ASNs in the Routing Table:                  209835
Number of bogon 32-bit ASNs visible in the Routing Table:            78
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            337
Number of addresses announced to Internet:                   3112792641
    Equivalent to 185 /8s, 137 /16s and 114 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      328864

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274988
    Total APNIC prefixes after maximum aggregation:               78902
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266060
    Unique aggregates announced from the APNIC address blocks:   105482
APNIC Region origin ASes present in the Internet Routing Table:   14819
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4497
APNIC Region transit ASes present in the Internet Routing Table:   2000
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10296
Number of APNIC addresses announced to Internet:              754833728
    Equivalent to 44 /8s, 253 /16s and 217 /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:                    294763
    Total ARIN prefixes after maximum aggregation:               132234
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296140
    Unique aggregates announced from the ARIN address blocks:    141367
ARIN Region origin ASes present in the Internet Routing Table:    19248
    ARIN Prefixes per ASN:                                        15.39
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    2000
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5261
Number of ARIN addresses announced to Internet:              1349324288
    Equivalent to 80 /8s, 109 /16s and 14 /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:                    280567
    Total RIPE prefixes after maximum aggregation:               136385
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279559
    Unique aggregates announced from the RIPE address blocks:    177990
RIPE Region origin ASes present in the Internet Routing Table:    28976
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12042
RIPE Region transit ASes present in the Internet Routing Table:    4016
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12595
Number of RIPE addresses announced to Internet:               732224961
    Equivalent to 43 /8s, 164 /16s and 221 /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:                  126525
    Total LACNIC prefixes after maximum aggregation:              29780
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         122806
    Unique aggregates announced from the LACNIC address blocks:   49120
LACNIC Region origin ASes present in the Internet Routing Table:  11276
    LACNIC Prefixes per ASN:                                      10.89
LACNIC Region origin ASes announcing only one prefix:              2649
LACNIC Region transit ASes present in the Internet Routing Table:  2524
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9237
Number of LACNIC addresses announced to Internet:             171156544
    Equivalent to 10 /8s, 51 /16s and 164 /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:                  35430
    Total AfriNIC prefixes after maximum aggregation:              6784
    AfriNIC Deaggregation factor:                                  5.22
Prefixes being announced from the AfriNIC address blocks:         48495
    Unique aggregates announced from the AfriNIC address blocks:  13983
AfriNIC Region origin ASes present in the Internet Routing Table:  1929
    AfriNIC Prefixes per ASN:                                     25.14
AfriNIC Region origin ASes announcing only one prefix:              677
AfriNIC Region transit ASes present in the Internet Routing Table:  386
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1298
Number of AfriNIC addresses announced to Internet:            105047296
    Equivalent to 6 /8s, 66 /16s and 229 /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       12206       8921     173  CHINAMOBILE-CN China Mobile Communication
  7545        6128        839     609  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4512        347      26  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4379       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3938       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3698       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2953        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2911        864     509  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       13692      40976    5279  AMAZON-02, US
   174        5271       8772     864  COGENT-174, US
 11492        4819        319     605  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3340       3013     164  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54766    2474  DNIC-AS-00749, US
396982        3196       3855     432  GOOGLE-CLOUD-PLATFORM, US
 16625        2947       1245    2187  AKAMAI-AS, US
  4155        2871        218    1727  USDA-1, US

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        7595       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3944       3396     140  AKAMAI-ASN1, NL
  9009        3820        363    2136  M247, RO
 12389        3118       2315     870  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2322        164    1690  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1584       1852      14  TE-AS TE-AS, EG

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       12319       3260     574  UNINET, MX
 10620        3484        474    1024  Telmex Colombia S.A., CO
 13999        2525        511     349  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1374       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1351        788     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1191        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1188        371      22  Telefonica del Peru S.A.A., PE
 22884        1070         68     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1020        373     162  Axtel, S.A.B. de C.V., MX

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        1709        660      28  RAYA-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1315       1490     358  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1228        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         848        520      43  Vodafone-, EG
 36914         575         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  WANANCHI-, KE

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       13692      40976    5279  AMAZON-02, US
  8151       12319       3260     574  UNINET, MX
  9808       12206       8921     173  CHINAMOBILE-CN China Mobile Communication
 12479        7595       1712     148  UNI2-AS, ES
  7545        6128        839     609  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5271       8772     864  COGENT-174, US
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4819        319     605  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4512        347      26  FPT-AS-AP FPT Telecom Company, VN

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       12206        12033  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12319        11745  UNINET, MX
 12479        7595         7447  UNI2-AS, ES
  7545        6128         5519  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888         4813  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4512         4486  FPT-AS-AP FPT Telecom Company, VN
   174        5271         4407  COGENT-174, US
 45899        4379         4324  VNPT-AS-VN VNPT Corp, VN
 11492        4819         4214  CABLEONE, 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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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, US

Complete listing at https://bgp.nsrc.org/REN/Guam/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
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, US
23.147.225.0/24      Origin:     27392  639-DATACENTERS, US
23.147.225.0/24     Transit:      3356  LEVEL3, 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      /10:41      /11:92      /12:299     
/13:582     /14:1215    /15:2169    /16:13908   /17:8477    /18:14303   
/19:25385   /20:45890   /21:53146   /22:113880  /23:106111  /24:627116  
/25:136     /26:110     /27:101     /28:21      /29:71      /30:8       
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6543        7595  UNI2-AS, ES
  8151        6538       12319  UNINET, MX
 11492        3611        4819  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2493        3340  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2350       13692  AMAZON-02, US
 30036        2268        2609  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2195        3484  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2478      2:1589      3:857       4:12        5:4855      6:163    
   7:6         8:1588      9:1        11:172      12:1340     13:465    
  14:2641     15:367      16:286      17:379      18:898      20:579    
  21:4        22:188      23:7753     24:2729     25:2        27:2864   
  29:19       31:3443     32:39       33:1        34:84       35:261    
  36:3863     37:4610     38:10613    39:950      40:247      41:4336   
  42:2022     43:2813     44:378      45:18899    46:5179     47:354    
  49:1927     50:2011     51:591      52:1554     54:325      55:1111   
  56:11       57:279      58:2294     59:1418     60:1199     61:3073   
  62:3017     63:1799     64:5563     65:2162     66:4766     67:3111   
  68:1072     69:3977     70:1041     71:629      72:2857     74:2821   
  75:1511     76:606      77:2778     78:1901     79:1706     80:2244   
  81:2070     82:3191     83:1492     84:1904     85:3482     86:1187   
  87:2399     88:1316     89:4450     90:778      91:8473     92:2769   
  93:2970     94:4201     95:4425     96:1494     97:310      98:954    
  99:693     100:71      101:1464    102:4081    103:32753   104:5241   
 105:1065    106:980     107:2656    108:1269    109:4262    110:2282   
 111:3398    112:2310    113:1902    114:1988    115:2315    116:2155   
 117:2669    118:3024    119:2047    120:2238    121:1411    122:2934   
 123:2524    124:1795    125:2927    126:91      128:1638    129:984    
 130:1322    131:2078    132:773     133:450     134:1597    135:352    
 136:1467    137:1273    138:2882    139:1661    140:1649    141:1521   
 142:1913    143:1952    144:1182    145:565     146:2201    147:2101   
 148:2728    149:2991    150:1304    151:2222    152:2078    153:590    
 154:7827    155:1851    156:3116    157:1949    158:1342    159:2532   
 160:3608    161:1907    162:3891    163:2258    164:1885    165:2399   
 166:1530    167:2018    168:4050    169:783     170:5177    171:1013   
 172:4228    173:3392    174:916     175:1355    176:3758    177:4951   
 178:3969    179:2371    180:2659    181:4158    182:3559    183:2294   
 184:2102    185:21704   186:5328    187:4751    188:4284    189:4421   
 190:9617    191:1547    192:11375   193:9502    194:7922    195:5730   
 196:3307    197:3200    198:6128    199:8616    200:8380    201:6472   
 202:11002   203:10937   204:4650    205:3596    206:4538    207:3557   
 208:4311    209:5169    210:4994    211:2821    212:4608    213:3835   
 214:1022    215:48      216:6785    217:3378    218:1442    219:602    
 220:2153    221:1206    222:996     223:2769   

End of report


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