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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 8 18:45:29 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 08 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:                             1000365
    Prefixes after maximum aggregation (per Origin AS):          377873
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479251
    Number of IPv4 prefixes with a valid ROA:                    556770
    Number of IPv4 prefixes with an invalid ROA:                    608
    Number of IPv4 prefixes with no ROA:                         442987
Total ASes present in the Internet Routing Table:                 76851
    Prefixes per ASN:                                             13.02
Origin-only ASes present in the Internet Routing Table:           65941
Origin ASes announcing only one prefix:                           26599
Transit ASes present in the Internet Routing Table:               10910
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:             78
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:              1001
    Number of instances of unregistered ASNs:                      1002
Number of 32-bit ASNs allocated by the RIRs:                      46364
Number of 32-bit ASNs visible in the Routing Table:               38236
Prefixes from 32-bit ASNs in the Routing Table:                  208201
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:            469
Number of addresses announced to Internet:                   3110453760
    Equivalent to 185 /8s, 101 /16s and 194 /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:      330533

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

Prefixes being announced by APNIC Region ASes:                   259069
    Total APNIC prefixes after maximum aggregation:               76869
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250170
    Unique aggregates announced from the APNIC address blocks:   103142
APNIC Region origin ASes present in the Internet Routing Table:   14590
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4451
APNIC Region transit ASes present in the Internet Routing Table:   1934
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:  10122
Number of APNIC addresses announced to Internet:              748574976
    Equivalent to 44 /8s, 158 /16s and 89 /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:                    292739
    Total ARIN prefixes after maximum aggregation:               130079
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294388
    Unique aggregates announced from the ARIN address blocks:    138538
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7041
ARIN Region transit ASes present in the Internet Routing Table:    1955
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:    5202
Number of ARIN addresses announced to Internet:              1353028096
    Equivalent to 80 /8s, 165 /16s and 146 /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:                    277078
    Total RIPE prefixes after maximum aggregation:               133971
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274579
    Unique aggregates announced from the RIPE address blocks:    174415
RIPE Region origin ASes present in the Internet Routing Table:    28956
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3961
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12442
Number of RIPE addresses announced to Internet:               731563264
    Equivalent to 43 /8s, 154 /16s and 197 /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:                  132591
    Total LACNIC prefixes after maximum aggregation:              29454
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128813
    Unique aggregates announced from the LACNIC address blocks:   48816
LACNIC Region origin ASes present in the Internet Routing Table:  11234
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2395
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:  9185
Number of LACNIC addresses announced to Internet:             171755264
    Equivalent to 10 /8s, 60 /16s and 199 /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:                  37887
    Total AfriNIC prefixes after maximum aggregation:              6873
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51946
    Unique aggregates announced from the AfriNIC address blocks:  13954
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     27.06
AfriNIC Region origin ASes announcing only one prefix:              664
AfriNIC Region transit ASes present in the Internet Routing Table:  377
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:            105308160
    Equivalent to 6 /8s, 70 /16s and 224 /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       10792       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4303        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4272        533     296  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        2863        852     533  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     649  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       13320      40819    4632  AMAZON-02, US
   174        5444       8750     894  COGENT-174, US
 11492        4723        313     595  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3347       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3253      54861    2504  DNIC-AS-00749, US
396982        3150       3851     412  GOOGLE-CLOUD-PLATFORM, US
 16625        3083       1293    2249  AKAMAI-AS, US
 36352        2780        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        4019       3395     126  AKAMAI-ASN1, NL
  9009        3812        329    1981  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2138        151    1579  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1427        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       12077       3245     581  UNINET, MX
 10620        3533        486     993  Telmex Colombia S.A., CO
 13999        2511        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1198        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1189        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1057         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        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1599        103      23  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1036        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, 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       13320      40819    4632  AMAZON-02, US
  8151       12077       3245     581  UNINET, MX
  9808       10792       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7696       1714     148  UNI2-AS, ES
  7545        6213        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5444       8750     894  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4723        313     595  CABLEONE, US
 18403        4303        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4272        533     296  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       12077        11496  UNINET, MX
  9808       10792        10697  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7696         7548  UNI2-AS, ES
  7545        6213         5560  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5444         4550  COGENT-174, US
 18403        4303         4278  FPT-AS-AP FPT Telecom Company, VN
 11492        4723         4128  CABLEONE, US
  9498        4272         3976  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4019         3893  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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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     
/13:583     /14:1228    /15:2187    /16:14054   /17:8335    /18:13881   
/19:24786   /20:44311   /21:52483   /22:113368  /23:105896  /24:618787  
/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        6617        7696  UNI2-AS, ES
  8151        6256       12077  UNINET, MX
 11492        3533        4723  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2497        3347  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2317       13320  AMAZON-02, US
 30036        2220        2560  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2199        3533  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)
----------------------------------------------

   1:2347      2:1519      3:705       4:10        5:4975      6:162    
   7:6         8:1608      9:1        11:172      12:1367     13:366    
  14:2518     15:353      16:283      17:370      18:921      20:525    
  21:4        22:188      23:7534     24:2894     25:2        27:2774   
  29:19       31:3288     32:45       33:1        34:84       35:203    
  36:2759     37:4659     38:10334    39:909      40:167      41:4440   
  42:1951     43:2592     44:376      45:19295    46:5061     47:294    
  49:1943     50:1898     51:591      52:1555     54:305      55:1096   
  56:11       57:265      58:2208     59:1282     60:1166     61:2993   
  62:3023     63:1823     64:5519     65:2175     66:4734     67:3109   
  68:1131     69:4002     70:1088     71:631      72:2941     74:2802   
  75:1624     76:616      77:2833     78:1883     79:1761     80:2219   
  81:2073     82:3159     83:1444     84:1855     85:3438     86:1051   
  87:2409     88:1303     89:4366     90:775      91:8422     92:2721   
  93:2903     94:4040     95:4347     96:1475     97:316      98:980    
  99:673     100:72      101:1409    102:4321    103:32353   104:4835   
 105:1229    106:1032    107:2623    108:1224    109:4125    110:2228   
 111:3365    112:2060    113:1806    114:1975    115:2245    116:2083   
 117:2616    118:2815    119:1958    120:1894    121:1367    122:2777   
 123:2409    124:1591    125:2853    126:91      128:1591    129:1017   
 130:1318    131:2017    132:781     133:451     134:1545    135:377    
 136:1313    137:1128    138:3062    139:1623    140:1586    141:1501   
 142:1926    143:1732    144:1086    145:509     146:2170    147:2101   
 148:2694    149:2934    150:1259    151:1848    152:2100    153:559    
 154:8505    155:1710    156:3375    157:1897    158:1302    159:2442   
 160:3655    161:1895    162:3735    163:2147    164:1733    165:2230   
 166:1469    167:1915    168:4228    169:793     170:5312    171:1007   
 172:4416    173:3289    174:909     175:1298    176:3730    177:5455   
 178:3697    179:2458    180:2651    181:4209    182:3422    183:2060   
 184:2115    185:21739   186:5525    187:4789    188:4233    189:4466   
 190:9850    191:1940    192:11243   193:9515    194:7840    195:5625   
 196:3656    197:3832    198:6138    199:8498    200:8525    201:6415   
 202:10343   203:10701   204:4531    205:3612    206:4620    207:3467   
 208:4281    209:5212    210:4613    211:2532    212:4568    213:3762   
 214:1024    215:48      216:6766    217:3197    218:1358    219:386    
 220:2085    221:1079    222:712     223:2360   

End of report


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