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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 30 18:44:47 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 30 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:                             1003867
    Prefixes after maximum aggregation (per Origin AS):          379836
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482956
    Number of IPv4 prefixes with a valid ROA:                    560411
    Number of IPv4 prefixes with an invalid ROA:                    500
    Number of IPv4 prefixes with no ROA:                         442956
Total ASes present in the Internet Routing Table:                 76903
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           65961
Origin ASes announcing only one prefix:                           26586
Transit ASes present in the Internet Routing Table:               10942
Transit-only ASes present in the Internet Routing Table:            545
Paths with bogon ASNs present in the IPv4 Routing Table:             82
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     108
    Max AS path prepend of ASN (150261)                             100
Prefixes from unregistered ASNs in the Routing Table:              1059
    Number of instances of unregistered ASNs:                      1060
Number of 32-bit ASNs allocated by the RIRs:                      46543
Number of 32-bit ASNs visible in the Routing Table:               38327
Prefixes from 32-bit ASNs in the Routing Table:                  210075
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            447
Number of addresses announced to Internet:                   3110491136
    Equivalent to 185 /8s, 102 /16s and 84 /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:      330992

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

Prefixes being announced by APNIC Region ASes:                   259912
    Total APNIC prefixes after maximum aggregation:               77176
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250917
    Unique aggregates announced from the APNIC address blocks:   104331
APNIC Region origin ASes present in the Internet Routing Table:   14579
    APNIC Prefixes per ASN:                                       17.21
APNIC Region origin ASes announcing only one prefix:               4442
APNIC Region transit ASes present in the Internet Routing Table:   1921
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                        108
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10120
Number of APNIC addresses announced to Internet:              748846080
    Equivalent to 44 /8s, 162 /16s and 124 /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:                    293703
    Total ARIN prefixes after maximum aggregation:               131160
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295430
    Unique aggregates announced from the ARIN address blocks:    139458
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.37
ARIN Region origin ASes announcing only one prefix:                7050
ARIN Region transit ASes present in the Internet Routing Table:    1957
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:    5221
Number of ARIN addresses announced to Internet:              1352563968
    Equivalent to 80 /8s, 158 /16s and 125 /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:                    277749
    Total RIPE prefixes after maximum aggregation:               134513
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           275765
    Unique aggregates announced from the RIPE address blocks:    175313
RIPE Region origin ASes present in the Internet Routing Table:    28991
    RIPE Prefixes per ASN:                                         9.51
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3983
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:   12484
Number of RIPE addresses announced to Internet:               731764480
    Equivalent to 43 /8s, 157 /16s and 215 /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:                  133352
    Total LACNIC prefixes after maximum aggregation:              29559
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128834
    Unique aggregates announced from the LACNIC address blocks:   48979
LACNIC Region origin ASes present in the Internet Routing Table:  11271
    LACNIC Prefixes per ASN:                                      11.43
LACNIC Region origin ASes announcing only one prefix:              2352
LACNIC Region transit ASes present in the Internet Routing Table:  2520
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:  9219
Number of LACNIC addresses announced to Internet:             171958528
    Equivalent to 10 /8s, 63 /16s and 225 /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:                  38092
    Total AfriNIC prefixes after maximum aggregation:              6787
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         52474
    Unique aggregates announced from the AfriNIC address blocks:  14469
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.36
AfriNIC Region origin ASes announcing only one prefix:              660
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: 1283
Number of AfriNIC addresses announced to Internet:            105163520
    Equivalent to 6 /8s, 68 /16s and 171 /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       11065       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4365        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4292        533     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3697       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3277       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2875        853     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        434     192  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       13572      40828    5196  AMAZON-02, US
   174        5264       8747     893  COGENT-174, US
 11492        4735        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3628       1320      81  SHAW, CA
 22773        3348       3033     170  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3230      54783    2481  DNIC-AS-00749, US
396982        3175       3853     420  GOOGLE-CLOUD-PLATFORM, US
 16625        3096       1293    2255  AKAMAI-AS, US
 36352        2817        230     853  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        7720       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4025       3395     126  AKAMAI-ASN1, NL
  9009        3905        356    2073  M247, RO
 12389        3073       2306     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2220        161    1634  CDNEXT, GB
  8452        1611       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1425         95     740  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       12195       3253     582  UNINET, MX
 10620        3499        480    1017  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1361       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 11664        1190        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1096         52       9  MASTER SA, BR
262287        1073         83     232  Latitude.sh LTDA, BR

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        1610        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       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        1054        523      47  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       13572      40828    5196  AMAZON-02, US
  8151       12195       3253     582  UNINET, MX
  9808       11065       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7720       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5264       8747     893  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4735        314     586  CABLEONE, US
 18403        4365        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4292        533     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       12195        11613  UNINET, MX
  9808       11065        10970  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7720         7572  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5264         4371  COGENT-174, US
 18403        4365         4340  FPT-AS-AP FPT Telecom Company, VN
 11492        4735         4149  CABLEONE, US
  9498        4292         3991  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4025         3899  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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      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     /14:1226    /15:2185    /16:13971   /17:8336    /18:13878   
/19:24809   /20:44573   /21:52503   /22:113333  /23:106532  /24:621474  
/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        6635        7720  UNI2-AS, ES
  8151        6367       12195  UNINET, MX
 11492        3532        4735  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3425        3628  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2496        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2390       13572  AMAZON-02, US
 30036        2237        2578  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3499  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)
----------------------------------------------

   1:2387      2:1517      3:798       4:9         5:4986      6:162    
   7:6         8:1596      9:1        11:172      12:1361     13:429    
  14:2522     15:359      16:285      17:376      18:918      20:549    
  21:4        22:188      23:7584     24:2893     25:2        27:2782   
  29:19       31:3320     32:44       33:1        34:84       35:214    
  36:3020     37:4644     38:10356    39:908      40:170      41:4453   
  42:1939     43:2614     44:385      45:19333    46:5102     47:318    
  49:1949     50:1895     51:592      52:1569     54:321      55:1098   
  56:11       57:272      58:2217     59:1288     60:1168     61:3013   
  62:3027     63:1815     64:5504     65:2192     66:4715     67:3096   
  68:1138     69:4017     70:1080     71:638      72:2936     74:2810   
  75:1528     76:617      77:2808     78:1898     79:1697     80:2224   
  81:2090     82:3111     83:1454     84:1867     85:3427     86:1065   
  87:2392     88:1307     89:4405     90:777      91:8459     92:2721   
  93:2921     94:4069     95:4358     96:1474     97:316      98:978    
  99:689     100:72      101:1431    102:4293    103:32345   104:5065   
 105:1235    106:1034    107:2650    108:1259    109:4097    110:2239   
 111:3287    112:2115    113:1824    114:1983    115:2226    116:2084   
 117:2534    118:2799    119:1921    120:1969    121:1373    122:2788   
 123:2419    124:1600    125:2864    126:91      128:1609    129:1025   
 130:1335    131:2058    132:784     133:449     134:1550    135:379    
 136:1360    137:1135    138:3067    139:1591    140:1600    141:1506   
 142:1929    143:1811    144:1133    145:515     146:2197    147:2111   
 148:2713    149:2946    150:1254    151:1940    152:2105    153:569    
 154:8283    155:2009    156:3286    157:1914    158:1328    159:2476   
 160:3918    161:1894    162:3792    163:2196    164:1751    165:2249   
 166:1489    167:1954    168:4495    169:798     170:5317    171:1009   
 172:4443    173:3332    174:916     175:1299    176:3758    177:5403   
 178:3722    179:2496    180:2662    181:4253    182:3442    183:2117   
 184:2121    185:21781   186:5525    187:4838    188:4250    189:4456   
 190:9806    191:1903    192:11302   193:9500    194:7869    195:5622   
 196:3637    197:3790    198:6129    199:8543    200:8524    201:6466   
 202:10351   203:10708   204:4554    205:3614    206:4491    207:3468   
 208:4266    209:5177    210:4633    211:2531    212:4599    213:3791   
 214:1028    215:48      216:6794    217:3196    218:1365    219:390    
 220:2087    221:1106    222:719     223:2404   

End of report


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