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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 17 18:45:14 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 17 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:                             1001774
    Prefixes after maximum aggregation (per Origin AS):          378785
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      479512
    Number of IPv4 prefixes with a valid ROA:                    557514
    Number of IPv4 prefixes with an invalid ROA:                    480
    Number of IPv4 prefixes with no ROA:                         443780
Total ASes present in the Internet Routing Table:                 76842
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           65949
Origin ASes announcing only one prefix:                           26563
Transit ASes present in the Internet Routing Table:               10893
Transit-only ASes present in the Internet Routing Table:            550
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:                                     156
    Max AS path prepend of ASN (153737)                             150
Prefixes from unregistered ASNs in the Routing Table:              1009
    Number of instances of unregistered ASNs:                      1010
Number of 32-bit ASNs allocated by the RIRs:                      46439
Number of 32-bit ASNs visible in the Routing Table:               38258
Prefixes from 32-bit ASNs in the Routing Table:                  209217
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:            449
Number of addresses announced to Internet:                   3109497088
    Equivalent to 185 /8s, 87 /16s and 41 /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:      330701

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

Prefixes being announced by APNIC Region ASes:                   258987
    Total APNIC prefixes after maximum aggregation:               76934
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250113
    Unique aggregates announced from the APNIC address blocks:   103072
APNIC Region origin ASes present in the Internet Routing Table:   14579
    APNIC Prefixes per ASN:                                       17.16
APNIC Region origin ASes announcing only one prefix:               4438
APNIC Region transit ASes present in the Internet Routing Table:   1933
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                        156
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10118
Number of APNIC addresses announced to Internet:              748520192
    Equivalent to 44 /8s, 157 /16s and 131 /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:                    293303
    Total ARIN prefixes after maximum aggregation:               130719
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           294861
    Unique aggregates announced from the ARIN address blocks:    138685
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.34
ARIN Region origin ASes announcing only one prefix:                7045
ARIN Region transit ASes present in the Internet Routing Table:    1952
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:    5209
Number of ARIN addresses announced to Internet:              1352545024
    Equivalent to 80 /8s, 158 /16s and 51 /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:                    277018
    Total RIPE prefixes after maximum aggregation:               134081
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274825
    Unique aggregates announced from the RIPE address blocks:    174608
RIPE Region origin ASes present in the Internet Routing Table:    28954
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12063
RIPE Region transit ASes present in the Internet Routing Table:    3956
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12456
Number of RIPE addresses announced to Internet:               731070208
    Equivalent to 43 /8s, 147 /16s and 63 /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:                  133369
    Total LACNIC prefixes after maximum aggregation:              29523
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128935
    Unique aggregates announced from the LACNIC address blocks:   48861
LACNIC Region origin ASes present in the Internet Routing Table:  11244
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2360
LACNIC Region transit ASes present in the Internet Routing Table:  2499
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:  9193
Number of LACNIC addresses announced to Internet:             171769088
    Equivalent to 10 /8s, 60 /16s and 253 /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:                  38088
    Total AfriNIC prefixes after maximum aggregation:              6893
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         52591
    Unique aggregates announced from the AfriNIC address blocks:  13890
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     27.48
AfriNIC Region origin ASes announcing only one prefix:              657
AfriNIC Region transit ASes present in the Internet Routing Table:  379
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105374208
    Equivalent to 6 /8s, 71 /16s and 226 /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       10989       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6161        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4433        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4284        533     300  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3897       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3696       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        2162        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       13433      40826    5038  AMAZON-02, US
   174        5339       8747     880  COGENT-174, US
 11492        4727        313     592  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3344       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3243      54815    2494  DNIC-AS-00749, US
396982        3164       3851     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3102       1298    2253  AKAMAI-AS, US
 36352        2807        229     872  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        7694       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4027       3395     126  AKAMAI-ASN1, NL
  9009        3768        325    1954  M247, RO
 12389        3070       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2148        151    1580  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1593       1852      14  TE-AS TE-AS, EG
  8551        1423        366      39  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       12143       3249     582  UNINET, MX
 10620        3499        480    1018  Telmex Colombia S.A., CO
 13999        2518        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        1062         68     380  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        1598        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         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       13433      40826    5038  AMAZON-02, US
  8151       12143       3249     582  UNINET, MX
  9808       10989       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7694       1714     148  UNI2-AS, ES
  7545        6161        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5339       8747     880  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4727        313     592  CABLEONE, US
 18403        4433        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4284        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       12143        11561  UNINET, MX
  9808       10989        10894  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7694         7546  UNI2-AS, ES
  7545        6161         5512  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5339         4459  COGENT-174, US
 18403        4433         4408  FPT-AS-AP FPT Telecom Company, VN
 11492        4727         4135  CABLEONE, US
  9498        4284         3984  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027         3901  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     /14:1227    /15:2186    /16:14042   /17:8335    /18:13874   
/19:24811   /20:44496   /21:52508   /22:113281  /23:106213  /24:619754  
/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        7694  UNI2-AS, ES
  8151        6316       12143  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        2494        3344  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2332       13433  AMAZON-02, US
 30036        2228        2568  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        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)
----------------------------------------------

   1:2365      2:1517      3:767       4:11        5:4979      6:163    
   7:6         8:1604      9:1        11:172      12:1365     13:419    
  14:2519     15:353      16:282      17:373      18:915      20:526    
  21:4        22:188      23:7568     24:2888     25:2        27:2771   
  29:19       31:3289     32:44       33:1        34:84       35:204    
  36:2896     37:4646     38:10340    39:913      40:169      41:4444   
  42:1993     43:2587     44:380      45:19326    46:5072     47:301    
  49:1944     50:1901     51:591      52:1558     54:314      55:1091   
  56:11       57:267      58:2217     59:1280     60:1167     61:2998   
  62:3020     63:1823     64:5520     65:2190     66:4743     67:3111   
  68:1131     69:4002     70:1069     71:634      72:2916     74:2805   
  75:1628     76:616      77:2808     78:1884     79:1759     80:2220   
  81:2094     82:3127     83:1441     84:1867     85:3424     86:1069   
  87:2415     88:1307     89:4386     90:775      91:8422     92:2698   
  93:2906     94:4060     95:4321     96:1473     97:315      98:980    
  99:686     100:72      101:1166    102:4330    103:32304   104:5038   
 105:1237    106:1032    107:2647    108:1230    109:4122    110:2233   
 111:3324    112:2073    113:1808    114:1976    115:2188    116:2080   
 117:2555    118:2802    119:1951    120:1925    121:1366    122:2780   
 123:2403    124:1589    125:2851    126:91      128:1612    129:1020   
 130:1316    131:2035    132:778     133:451     134:1549    135:378    
 136:1354    137:1128    138:3078    139:1595    140:1592    141:1502   
 142:1924    143:1776    144:1096    145:512     146:2171    147:2109   
 148:2709    149:2924    150:1217    151:1910    152:2104    153:563    
 154:8321    155:1989    156:3301    157:1896    158:1316    159:2447   
 160:3890    161:1893    162:3760    163:2165    164:1728    165:2227   
 166:1476    167:1931    168:4468    169:801     170:5156    171:1006   
 172:4466    173:3313    174:916     175:1300    176:3755    177:5483   
 178:3693    179:2477    180:2652    181:4190    182:3436    183:2100   
 184:2112    185:21738   186:5497    187:4820    188:4259    189:4498   
 190:9747    191:1933    192:11257   193:9524    194:7843    195:5637   
 196:3656    197:3775    198:6122    199:8503    200:8526    201:6479   
 202:10353   203:10676   204:4539    205:3625    206:4498    207:3473   
 208:4290    209:5216    210:4619    211:2538    212:4576    213:3782   
 214:1025    215:48      216:6770    217:3207    218:1358    219:392    
 220:2085    221:1085    222:714     223:2381   

End of report


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