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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 15 18:45:10 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 15 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:                             1001457
    Prefixes after maximum aggregation (per Origin AS):          378852
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      479684
    Number of IPv4 prefixes with a valid ROA:                    557170
    Number of IPv4 prefixes with an invalid ROA:                    558
    Number of IPv4 prefixes with no ROA:                         443729
Total ASes present in the Internet Routing Table:                 76874
    Prefixes per ASN:                                             13.03
Origin-only ASes present in the Internet Routing Table:           65974
Origin ASes announcing only one prefix:                           26581
Transit ASes present in the Internet Routing Table:               10900
Transit-only ASes present in the Internet Routing Table:            553
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:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1021
    Number of instances of unregistered ASNs:                      1022
Number of 32-bit ASNs allocated by the RIRs:                      46405
Number of 32-bit ASNs visible in the Routing Table:               38272
Prefixes from 32-bit ASNs in the Routing Table:                  209208
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            490
Number of addresses announced to Internet:                   3109939200
    Equivalent to 185 /8s, 93 /16s and 232 /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:      330365

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

Prefixes being announced by APNIC Region ASes:                   258984
    Total APNIC prefixes after maximum aggregation:               76929
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250086
    Unique aggregates announced from the APNIC address blocks:   103122
APNIC Region origin ASes present in the Internet Routing Table:   14588
    APNIC Prefixes per ASN:                                       17.14
APNIC Region origin ASes announcing only one prefix:               4441
APNIC Region transit ASes present in the Internet Routing Table:   1931
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:  10124
Number of APNIC addresses announced to Internet:              748530176
    Equivalent to 44 /8s, 157 /16s and 170 /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:                    292930
    Total ARIN prefixes after maximum aggregation:               130638
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           294581
    Unique aggregates announced from the ARIN address blocks:    138777
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.32
ARIN Region origin ASes announcing only one prefix:                7045
ARIN Region transit ASes present in the Internet Routing Table:    1950
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5210
Number of ARIN addresses announced to Internet:              1353077248
    Equivalent to 80 /8s, 166 /16s and 82 /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:                    277074
    Total RIPE prefixes after maximum aggregation:               134117
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274797
    Unique aggregates announced from the RIPE address blocks:    174593
RIPE Region origin ASes present in the Internet Routing Table:    28969
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12072
RIPE Region transit ASes present in the Internet Routing Table:    3964
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12458
Number of RIPE addresses announced to Internet:               730985216
    Equivalent to 43 /8s, 145 /16s and 243 /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:                  133365
    Total LACNIC prefixes after maximum aggregation:              29638
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128873
    Unique aggregates announced from the LACNIC address blocks:   48898
LACNIC Region origin ASes present in the Internet Routing Table:  11244
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2362
LACNIC Region transit ASes present in the Internet Routing Table:  2502
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:  9195
Number of LACNIC addresses announced to Internet:             171746304
    Equivalent to 10 /8s, 60 /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:                  38083
    Total AfriNIC prefixes after maximum aggregation:              6889
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         52630
    Unique aggregates announced from the AfriNIC address blocks:  13890
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     27.45
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  378
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: 1285
Number of AfriNIC addresses announced to Internet:            105370624
    Equivalent to 6 /8s, 71 /16s and 212 /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       10988       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6161        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4278        533     300  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3890       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2865        852     534  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2164        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       13390      40826    4978  AMAZON-02, US
   174        5321       8750     906  COGENT-174, US
 11492        4727        313     592  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3350       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3243      54815    2494  DNIC-AS-00749, US
396982        3166       3852     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3106       1299    2254  AKAMAI-AS, US
 36352        2788        228     855  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        7692       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4028       3395     126  AKAMAI-ASN1, NL
  9009        3778        326    1958  M247, RO
 12389        3070       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2141        150    1575  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1585       1852      14  TE-AS TE-AS, EG
 62240        1422         94     737  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       12126       3247     581  UNINET, MX
 10620        3500        480    1019  Telmex Colombia S.A., CO
 13999        2517        540     364  Mega Cable, S.A. de C.V., MX
 11830        1996        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        1204        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1055         67     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        1778        632      28  RAYA-AS, EG
 24863        1653        389      16  LINKdotNET-AS, EG
 29571        1597        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        1040        523      45  Vodafone-, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         559        661     318  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       13390      40826    4978  AMAZON-02, US
  8151       12126       3247     581  UNINET, MX
  9808       10988       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7692       1714     148  UNI2-AS, ES
  7545        6161        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5321       8750     906  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4727        313     592  CABLEONE, US
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4278        533     300  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       12126        11545  UNINET, MX
  9808       10988        10893  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7692         7544  UNI2-AS, ES
  7545        6161         5512  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5321         4415  COGENT-174, US
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
 11492        4727         4135  CABLEONE, US
  9498        4278         3978  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4028         3902  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      /11:93      /12:300     
/13:582     /14:1228    /15:2186    /16:14048   /17:8332    /18:13876   
/19:24801   /20:44477   /21:52469   /22:113204  /23:106010  /24:619778  
/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        6610        7692  UNI2-AS, ES
  8151        6303       12126  UNINET, MX
 11492        3533        4727  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2500        3350  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2334       13390  AMAZON-02, US
 30036        2227        2567  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)
----------------------------------------------

   1:2341      2:1523      3:734       4:11        5:4981      6:163    
   7:6         8:1604      9:1        11:172      12:1365     13:418    
  14:2520     15:353      16:284      17:372      18:916      20:525    
  21:4        22:188      23:7571     24:2853     25:2        27:2771   
  29:19       31:3291     32:44       33:1        34:84       35:204    
  36:2893     37:4658     38:10333    39:910      40:169      41:4443   
  42:1973     43:2595     44:382      45:19345    46:5066     47:301    
  49:1943     50:1901     51:591      52:1556     54:315      55:1094   
  56:11       57:267      58:2215     59:1281     60:1167     61:2996   
  62:3016     63:1827     64:5526     65:2175     66:4705     67:3081   
  68:1129     69:4012     70:1070     71:634      72:2852     74:2806   
  75:1628     76:616      77:2807     78:1885     79:1758     80:2218   
  81:2090     82:3127     83:1439     84:1866     85:3424     86:1068   
  87:2416     88:1308     89:4380     90:775      91:8423     92:2699   
  93:2905     94:4066     95:4320     96:1475     97:316      98:979    
  99:686     100:72      101:1168    102:4327    103:32329   104:5035   
 105:1237    106:1032    107:2643    108:1231    109:4122    110:2234   
 111:3323    112:2073    113:1808    114:1977    115:2191    116:2081   
 117:2601    118:2790    119:1956    120:1924    121:1367    122:2776   
 123:2406    124:1588    125:2849    126:91      128:1609    129:1020   
 130:1303    131:2038    132:778     133:451     134:1547    135:378    
 136:1389    137:1130    138:3072    139:1598    140:1592    141:1506   
 142:1924    143:1778    144:1097    145:511     146:2173    147:2108   
 148:2689    149:2930    150:1217    151:1897    152:2102    153:563    
 154:8334    155:1986    156:3329    157:1893    158:1307    159:2446   
 160:3916    161:1892    162:3768    163:2156    164:1725    165:2225   
 166:1479    167:1931    168:4484    169:796     170:5339    171:1006   
 172:4478    173:3305    174:915     175:1301    176:3750    177:5481   
 178:3690    179:2484    180:2654    181:4202    182:3428    183:2096   
 184:2119    185:21751   186:5484    187:4827    188:4257    189:4500   
 190:9771    191:1933    192:11248   193:9526    194:7848    195:5630   
 196:3658    197:3772    198:6122    199:8518    200:8542    201:6462   
 202:10353   203:10679   204:4544    205:3548    206:4488    207:3475   
 208:4291    209:5208    210:4616    211:2538    212:4575    213:3780   
 214:1031    215:48      216:6748    217:3209    218:1358    219:392    
 220:2082    221:1086    222:714     223:2387   

End of report


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