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

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


IPv4 R&E Routing Table Report   18:40 GMT Wed 14 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:                             1001136
    Prefixes after maximum aggregation (per Origin AS):          378511
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      479241
    Number of IPv4 prefixes with a valid ROA:                    556611
    Number of IPv4 prefixes with an invalid ROA:                    516
    Number of IPv4 prefixes with no ROA:                         444009
Total ASes present in the Internet Routing Table:                 76858
    Prefixes per ASN:                                             13.03
Origin-only ASes present in the Internet Routing Table:           65957
Origin ASes announcing only one prefix:                           26563
Transit ASes present in the Internet Routing Table:               10901
Transit-only ASes present in the Internet Routing Table:            550
Paths with bogon ASNs present in the IPv4 Routing Table:             83
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:              1028
    Number of instances of unregistered ASNs:                      1029
Number of 32-bit ASNs allocated by the RIRs:                      46395
Number of 32-bit ASNs visible in the Routing Table:               38260
Prefixes from 32-bit ASNs in the Routing Table:                  209216
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:            489
Number of addresses announced to Internet:                   3110069760
    Equivalent to 185 /8s, 95 /16s and 230 /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:      330255

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

Prefixes being announced by APNIC Region ASes:                   259403
    Total APNIC prefixes after maximum aggregation:               76923
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250411
    Unique aggregates announced from the APNIC address blocks:   103167
APNIC Region origin ASes present in the Internet Routing Table:   14583
    APNIC Prefixes per ASN:                                       17.17
APNIC Region origin ASes announcing only one prefix:               4435
APNIC Region transit ASes present in the Internet Routing Table:   1936
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:  10117
Number of APNIC addresses announced to Internet:              748705792
    Equivalent to 44 /8s, 160 /16s and 88 /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:                    292295
    Total ARIN prefixes after maximum aggregation:               130307
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           294060
    Unique aggregates announced from the ARIN address blocks:    138495
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7030
ARIN Region transit ASes present in the Internet Routing Table:    1949
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:    5208
Number of ARIN addresses announced to Internet:              1353067520
    Equivalent to 80 /8s, 166 /16s and 44 /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:                    277066
    Total RIPE prefixes after maximum aggregation:               134099
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274619
    Unique aggregates announced from the RIPE address blocks:    174433
RIPE Region origin ASes present in the Internet Routing Table:    28967
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12071
RIPE Region transit ASes present in the Internet Routing Table:    3967
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:   12456
Number of RIPE addresses announced to Internet:               730940928
    Equivalent to 43 /8s, 145 /16s and 70 /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:                  133199
    Total LACNIC prefixes after maximum aggregation:              29661
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128818
    Unique aggregates announced from the LACNIC address blocks:   48855
LACNIC Region origin ASes present in the Internet Routing Table:  11239
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2365
LACNIC Region transit ASes present in the Internet Routing Table:  2494
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:  9191
Number of LACNIC addresses announced to Internet:             171743744
    Equivalent to 10 /8s, 60 /16s and 154 /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:                  38145
    Total AfriNIC prefixes after maximum aggregation:              6873
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         52739
    Unique aggregates announced from the AfriNIC address blocks:  13888
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.48
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1288
Number of AfriNIC addresses announced to Internet:            105383424
    Equivalent to 6 /8s, 72 /16s and 6 /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       10919       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6159        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4350        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4277        533     300  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3691       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2865        852     534  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2173      11522     648  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13384      40826    4962  AMAZON-02, US
   174        5344       8751     912  COGENT-174, US
 11492        4727        313     592  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3348       3032     169  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3253      54861    2504  DNIC-AS-00749, US
396982        3166       3852     417  GOOGLE-CLOUD-PLATFORM, US
 16625        3106       1299    2254  AKAMAI-AS, US
 36352        2792        228     851  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        7696       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4025       3395     126  AKAMAI-ASN1, NL
  9009        3787        325    1959  M247, RO
 12389        3070       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2143        151    1577  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1579       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       12112       3247     580  UNINET, MX
 10620        3500        480    1019  Telmex Colombia S.A., CO
 13999        2516        540     359  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        1189        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1059         67     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        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       13384      40826    4962  AMAZON-02, US
  8151       12112       3247     580  UNINET, MX
  9808       10919       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7696       1714     148  UNI2-AS, ES
  7545        6159        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5344       8751     912  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4727        313     592  CABLEONE, US
 18403        4350        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4277        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       12112        11532  UNINET, MX
  9808       10919        10824  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7696         7548  UNI2-AS, ES
  7545        6159         5510  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5344         4432  COGENT-174, US
 18403        4350         4325  FPT-AS-AP FPT Telecom Company, VN
 11492        4727         4135  CABLEONE, US
  9498        4277         3977  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
23.138.212.0/24      Origin:    400910  MOOSE, US
23.138.212.0/24     Transit:     35661  VIRTUASYS-EU Lift weight. Push bytes. Ne
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  CIBC-US, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE

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    /15:2187    /16:14052   /17:8331    /18:13890   
/19:24795   /20:44452   /21:52445   /22:113211  /23:105893  /24:619604  
/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        6614        7696  UNI2-AS, ES
  8151        6289       12112  UNINET, MX
 11492        3533        4727  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2497        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2335       13384  AMAZON-02, US
 30036        2217        2557  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)
----------------------------------------------

   1:2346      2:1523      3:729       4:11        5:4981      6:163    
   7:6         8:1605      9:1        11:172      12:1365     13:411    
  14:2519     15:353      16:284      17:372      18:915      20:525    
  21:4        22:188      23:7537     24:2854     25:2        27:2774   
  29:19       31:3299     32:45       33:1        34:84       35:204    
  36:2818     37:4661     38:10315    39:910      40:169      41:4446   
  42:1985     43:2596     44:381      45:19344    46:5024     47:301    
  49:1942     50:1887     51:591      52:1555     54:313      55:1094   
  56:11       57:267      58:2213     59:1282     60:1166     61:2997   
  62:3013     63:1827     64:5518     65:2177     66:4698     67:3082   
  68:1129     69:4011     70:1070     71:634      72:2855     74:2808   
  75:1624     76:616      77:2798     78:1882     79:1759     80:2219   
  81:2088     82:3136     83:1442     84:1864     85:3426     86:1067   
  87:2413     88:1301     89:4351     90:775      91:8423     92:2691   
  93:2895     94:4055     95:4318     96:1476     97:316      98:979    
  99:685     100:72      101:1406    102:4334    103:32335   104:5015   
 105:1236    106:1036    107:2645    108:1213    109:4117    110:2232   
 111:3332    112:2071    113:1809    114:1977    115:2241    116:2085   
 117:2619    118:2811    119:1956    120:1925    121:1368    122:2777   
 123:2405    124:1589    125:2851    126:91      128:1610    129:1018   
 130:1305    131:2027    132:780     133:451     134:1547    135:376    
 136:1348    137:1131    138:3073    139:1595    140:1592    141:1501   
 142:1895    143:1767    144:1096    145:510     146:2171    147:2101   
 148:2693    149:2928    150:1224    151:1893    152:2101    153:559    
 154:8357    155:1977    156:3336    157:1885    158:1304    159:2443   
 160:3920    161:1891    162:3743    163:2154    164:1729    165:2225   
 166:1446    167:1927    168:4485    169:799     170:5341    171:1007   
 172:4448    173:3293    174:912     175:1302    176:3743    177:5482   
 178:3690    179:2494    180:2652    181:4198    182:3428    183:2099   
 184:2118    185:21753   186:5510    187:4814    188:4253    189:4473   
 190:9766    191:1926    192:11244   193:9525    194:7838    195:5619   
 196:3663    197:3852    198:6108    199:8511    200:8528    201:6470   
 202:10357   203:10684   204:4548    205:3500    206:4489    207:3469   
 208:4290    209:5212    210:4614    211:2537    212:4573    213:3778   
 214:1033    215:48      216:6748    217:3208    218:1358    219:386    
 220:2083    221:1085    222:714     223:2388   

End of report


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