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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 23 18:44:17 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 23 May, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                             1002689
    Prefixes after maximum aggregation (per Origin AS):          379146
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      481533
    Number of IPv4 prefixes with a valid ROA:                    558573
    Number of IPv4 prefixes with an invalid ROA:                    549
    Number of IPv4 prefixes with no ROA:                         443567
Total ASes present in the Internet Routing Table:                 76854
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           65966
Origin ASes announcing only one prefix:                           26578
Transit ASes present in the Internet Routing Table:               10888
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:             84
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1013
    Number of instances of unregistered ASNs:                      1014
Number of 32-bit ASNs allocated by the RIRs:                      46499
Number of 32-bit ASNs visible in the Routing Table:               38284
Prefixes from 32-bit ASNs in the Routing Table:                  209479
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            461
Number of addresses announced to Internet:                   3110341632
    Equivalent to 185 /8s, 100 /16s and 12 /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:      330768

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

Prefixes being announced by APNIC Region ASes:                   259506
    Total APNIC prefixes after maximum aggregation:               77114
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250545
    Unique aggregates announced from the APNIC address blocks:   104281
APNIC Region origin ASes present in the Internet Routing Table:   14585
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4444
APNIC Region transit ASes present in the Internet Routing Table:   1929
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10120
Number of APNIC addresses announced to Internet:              748794368
    Equivalent to 44 /8s, 161 /16s and 178 /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:                    294282
    Total ARIN prefixes after maximum aggregation:               131044
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           295062
    Unique aggregates announced from the ARIN address blocks:    139319
ARIN Region origin ASes present in the Internet Routing Table:    19226
    ARIN Prefixes per ASN:                                        15.35
ARIN Region origin ASes announcing only one prefix:                7052
ARIN Region transit ASes present in the Internet Routing Table:    1950
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5218
Number of ARIN addresses announced to Internet:              1352776192
    Equivalent to 80 /8s, 161 /16s and 186 /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:                    276909
    Total RIPE prefixes after maximum aggregation:               134079
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           275015
    Unique aggregates announced from the RIPE address blocks:    174941
RIPE Region origin ASes present in the Internet Routing Table:    28956
    RIPE Prefixes per ASN:                                         9.50
RIPE Region origin ASes announcing only one prefix:               12058
RIPE Region transit ASes present in the Internet Routing Table:    3953
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12464
Number of RIPE addresses announced to Internet:               731522560
    Equivalent to 43 /8s, 154 /16s and 38 /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:                  132919
    Total LACNIC prefixes after maximum aggregation:              29495
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         129131
    Unique aggregates announced from the LACNIC address blocks:   48867
LACNIC Region origin ASes present in the Internet Routing Table:  11250
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2367
LACNIC Region transit ASes present in the Internet Routing Table:  2514
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9198
Number of LACNIC addresses announced to Internet:             171802112
    Equivalent to 10 /8s, 61 /16s and 126 /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:                  38060
    Total AfriNIC prefixes after maximum aggregation:              6784
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         52475
    Unique aggregates announced from the AfriNIC address blocks:  13714
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     27.37
AfriNIC Region origin ASes announcing only one prefix:              657
AfriNIC Region transit ASes present in the Internet Routing Table:  381
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105236992
    Equivalent to 6 /8s, 69 /16s and 202 /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       11085       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6173        844     645  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        534     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3903       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3696       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3274       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2867        852     534  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        434     191  TATACOMM-AS TATA Communications formerly 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13476      40825    5110  AMAZON-02, US
   174        5280       8746     880  COGENT-174, US
 11492        4734        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3350       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3169       3852     418  GOOGLE-CLOUD-PLATFORM, US
 16625        3102       1298    2253  AKAMAI-AS, US
 36352        2831        231     860  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7713       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4022       3395     126  AKAMAI-ASN1, NL
  9009        3833        334    2032  M247, RO
 12389        3071       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2150        152    1581  CDNEXT, GB
  8452        1611       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1423         94     738  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12187       3253     581  UNINET, MX
 10620        3500        480    1017  Telmex Colombia S.A., CO
 13999        2513        540     365  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1205        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1198        371      22  Telefonica del Peru S.A.A., PE
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1062         68     378  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1780        644      27  RAYA-AS, EG
 24863        1653        389      17  LINKdotNET-AS, EG
 29571        1608        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1432       1519     280  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1250        554      97  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1046        523      46  Vodafone-, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13476      40825    5110  AMAZON-02, US
  8151       12187       3253     581  UNINET, MX
  9808       11085       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7713       1714     148  UNI2-AS, ES
  7545        6173        844     645  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5280       8746     880  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4734        314     586  CABLEONE, US
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        534     301  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12187        11606  UNINET, MX
  9808       11085        10990  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7713         7565  UNI2-AS, ES
  7545        6173         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5280         4400  COGENT-174, US
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
 11492        4734         4148  CABLEONE, US
  9498        4288         3987  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4022         3896  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/RENU/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
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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
    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/RENU/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/RENU/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, 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
23.143.96.0/24       Origin:     15830  EQUINIX, NL
23.143.96.0/24      Transit:      3257  GTT-BACKBONE GTT, US
23.146.16.0/24       Origin:    396281  RESERVED, ZZ
23.146.16.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/RENU/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       /9:16      /10:41      /11:92      /12:299     
/13:583     /14:1228    /15:2185    /16:13975   /17:8344    /18:13880   
/19:24816   /20:44558   /21:52500   /22:113363  /23:106359  /24:620434  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6629        7713  UNI2-AS, ES
  8151        6360       12187  UNINET, MX
 11492        3531        4734  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2499        3350  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2331       13476  AMAZON-02, US
 30036        2229        2570  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3500  Telmex Colombia S.A., CO

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

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

   1:2374      2:1517      3:781       4:9         5:5004      6:163    
   7:6         8:1600      9:1        11:172      12:1361     13:430    
  14:2522     15:353      16:285      17:376      18:921      20:535    
  21:4        22:188      23:7572     24:2891     25:2        27:2780   
  29:19       31:3300     32:44       33:1        34:84       35:207    
  36:2957     37:4644     38:10329    39:909      40:169      41:4467   
  42:1959     43:2601     44:386      45:19355    46:5083     47:302    
  49:1944     50:1894     51:591      52:1564     54:317      55:1098   
  56:11       57:270      58:2218     59:1285     60:1168     61:3012   
  62:3015     63:1815     64:5507     65:2197     66:4724     67:3110   
  68:1137     69:4008     70:1084     71:634      72:2933     74:2800   
  75:1528     76:617      77:2805     78:1898     79:1506     80:2223   
  81:2103     82:3124     83:1448     84:1869     85:3421     86:1068   
  87:2393     88:1308     89:4393     90:776      91:8434     92:2707   
  93:2903     94:4072     95:4333     96:1475     97:316      98:978    
  99:686     100:71      101:1193    102:4298    103:32323   104:5057   
 105:1236    106:1034    107:2649    108:1224    109:4044    110:2243   
 111:3338    112:2100    113:1823    114:1979    115:2216    116:2083   
 117:2527    118:2774    119:1967    120:1952    121:1376    122:2788   
 123:2417    124:1599    125:2863    126:91      128:1619    129:1021   
 130:1330    131:2045    132:781     133:451     134:1546    135:379    
 136:1355    137:1132    138:3076    139:1592    140:1595    141:1506   
 142:1898    143:1789    144:1102    145:508     146:2194    147:2111   
 148:2714    149:2958    150:1223    151:1945    152:2105    153:564    
 154:8337    155:1998    156:3234    157:1913    158:1265    159:2445   
 160:3906    161:1921    162:3767    163:2180    164:1734    165:2236   
 166:1465    167:1916    168:4492    169:801     170:5332    171:1006   
 172:4381    173:3319    174:915     175:1297    176:3761    177:5454   
 178:3712    179:2501    180:2663    181:4236    182:3442    183:2111   
 184:2116    185:21767   186:5508    187:4839    188:4273    189:4511   
 190:9831    191:1943    192:11262   193:9508    194:7861    195:5642   
 196:3633    197:3802    198:6130    199:8527    200:8521    201:6483   
 202:10387   203:10690   204:4537    205:3628    206:4473    207:3469   
 208:4279    209:5225    210:4623    211:2543    212:4591    213:3784   
 214:1026    215:48      216:6792    217:3209    218:1363    219:391    
 220:2086    221:1096    222:718     223:2392   

End of report


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