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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Feb 26 22:46:34 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Wed 26 Feb, 2025

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                             1030455
    Prefixes after maximum aggregation (per Origin AS):          377378
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      476412
Total ASes present in the Internet Routing Table:                 76844
    Prefixes per ASN:                                             13.41
Origin-only ASes present in the Internet Routing Table:           66130
Origin ASes announcing only one prefix:                           26306
Transit ASes present in the Internet Routing Table:               10714
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1090
    Number of instances of unregistered ASNs:                      1097
Number of 32-bit ASNs allocated by the RIRs:                      46200
Number of 32-bit ASNs visible in the Routing Table:               37955
Prefixes from 32-bit ASNs in the Routing Table:                  210822
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            535
Number of addresses announced to Internet:                   3119212133
    Equivalent to 185 /8s, 235 /16s and 102 /24s
    Percentage of available address space announced:               84.3
    Percentage of allocated address space announced:               84.3
    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:      348171

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

Prefixes being announced by APNIC Region ASes:                   266788
    Total APNIC prefixes after maximum aggregation:               76925
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          258624
    Unique aggregates announced from the APNIC address blocks:   102681
APNIC Region origin ASes present in the Internet Routing Table:   14590
    APNIC Prefixes per ASN:                                       17.73
APNIC Region origin ASes announcing only one prefix:               4431
APNIC Region transit ASes present in the Internet Routing Table:   1959
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10046
Number of APNIC addresses announced to Internet:              758814272
    Equivalent to 45 /8s, 58 /16s and 150 /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:                    294630
    Total ARIN prefixes after maximum aggregation:               129447
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           295905
    Unique aggregates announced from the ARIN address blocks:    135976
ARIN Region origin ASes present in the Internet Routing Table:    19263
    ARIN Prefixes per ASN:                                        15.36
ARIN Region origin ASes announcing only one prefix:                7021
ARIN Region transit ASes present in the Internet Routing Table:    1918
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5170
Number of ARIN addresses announced to Internet:              1348715520
    Equivalent to 80 /8s, 99 /16s and 196 /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:                    290320
    Total RIPE prefixes after maximum aggregation:               133956
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           287527
    Unique aggregates announced from the RIPE address blocks:    173276
RIPE Region origin ASes present in the Internet Routing Table:    28919
    RIPE Prefixes per ASN:                                         9.94
RIPE Region origin ASes announcing only one prefix:               12027
RIPE Region transit ASes present in the Internet Routing Table:    3858
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12298
Number of RIPE addresses announced to Internet:               732609317
    Equivalent to 43 /8s, 170 /16s and 187 /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:                  138616
    Total LACNIC prefixes after maximum aggregation:              29416
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135631
    Unique aggregates announced from the LACNIC address blocks:   49025
LACNIC Region origin ASes present in the Internet Routing Table:  11218
    LACNIC Prefixes per ASN:                                      12.09
LACNIC Region origin ASes announcing only one prefix:              2172
LACNIC Region transit ASes present in the Internet Routing Table:  2460
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9156
Number of LACNIC addresses announced to Internet:             173927168
    Equivalent to 10 /8s, 93 /16s and 235 /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:                  39011
    Total AfriNIC prefixes after maximum aggregation:              6965
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         52231
    Unique aggregates announced from the AfriNIC address blocks:  15030
AfriNIC Region origin ASes present in the Internet Routing Table:  1926
    AfriNIC Prefixes per ASN:                                     27.12
AfriNIC Region origin ASes announcing only one prefix:              655
AfriNIC Region transit ASes present in the Internet Routing Table:  366
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285
Number of AfriNIC addresses announced to Internet:            104881920
    Equivalent to 6 /8s, 64 /16s and 95 /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       10391       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005       4194      78  ERX-CERNET-BKB China Education and Resear
 18403        4331        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4241        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
 45899        3911       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3676       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2838        851     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12774      39185    3784  AMAZON-02, US
   174        5284       8764     943  COGENT-174, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3401       3049     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3071       1315    2218  AKAMAI-AS, US
396982        2932       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2582        358     326  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9677       1286    1306  TTNET, TR
 12479        7757       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4039       3396     143  AKAMAI-ASN1, NL
  9009        3792        325    1926  M247, RO
 12389        2991       2303     895  ROSTELECOM-AS, RU
 34984        2415        364     573  TELLCOM-AS, TR
212238        1999        145    1477  CDNEXT, GB
  8452        1958       1852      14  TE-AS TE-AS, EG
  5384        1798        585      30  EMIRATES-INTERNET Emirates Internet, AE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12059       3254     695  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2522        541     366  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1595       2438     259  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1157        371      22  Telefonica del Peru S.A.A., PE
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 11664        1073        278      33  Techtel LMDS Comunicaciones Interactivas 

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1639        316      32  Telkom-Internet, ZA
 24835        1624        555      28  RAYA-AS, EG
 24863        1622        389      18  LINKdotNET-AS, EG
 29571        1567         99     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1292        202     342  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935         898        523      46  Vodafone-, EG
 37069         847       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12774      39185    3784  AMAZON-02, US
  8151       12059       3254     695  UNINET, MX
  9808       10391       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9677       1286    1306  TTNET, TR
 12479        7757       1714     145  UNI2-AS, ES
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5284       8764     943  COGENT-174, US
  4538        5005       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12059        11364  UNINET, MX
  9808       10391        10266  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9677         8371  TTNET, TR
 12479        7757         7612  UNI2-AS, ES
  7545        6219         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005         4927  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5284         4341  COGENT-174, US
 18403        4331         4306  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     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

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.135.76.0/24       Origin:      2914  NTT-DATA-2914, US
23.135.76.0/24      Transit:         0  UNALLOCATED
23.135.84.0/24       Origin:      2914  NTT-DATA-2914, US
23.135.84.0/24      Transit:         0  UNALLOCATED
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:92      /12:308     
/13:588     /14:1238    /15:2205    /16:14127   /17:8578    /18:14723   
/19:25608   /20:46339   /21:55082   /22:116517  /23:110869  /24:630806  
/25:594     /26:590     /27:1051    /28:78      /29:106     /30:23      
/31:2       /32:856     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        8761        9677  TTNET, TR
 12479        6714        7757  UNI2-AS, ES
  8151        6214       12059  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2536        3401  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2277       12774  AMAZON-02, US
 30036        2243        2582  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2332      2:1522      3:572       4:25        5:4870      6:167    
   7:6         8:1646      9:1        10:1        11:172      12:1384   
  13:350      14:2556     15:350      16:274      17:357      18:915    
  20:460      21:4        22:188      23:7419     24:2774     25:2      
  27:2742     29:19       31:3232     32:53       34:82       35:206    
  36:2437     37:4744     38:10103    39:898      40:153      41:4771   
  42:1983     43:2580     44:355      45:19961    46:5078     47:294    
  49:1996     50:1903     51:589      52:1602     54:300      55:1068   
  56:9        57:252      58:2317     59:1289     60:1167     61:3102   
  62:3033     63:1853     64:5566     65:2202     66:4724     67:3107   
  68:1140     69:4007     70:1125     71:621      72:2952     74:2811   
  75:1651     76:617      77:2792     78:4228     79:1756     80:2249   
  81:2192     82:2749     83:1438     84:1826     85:4285     86:1035   
  87:2437     88:3430     89:4470     90:780      91:8462     92:2826   
  93:2915     94:3984     95:5458     96:1359     97:327      98:976    
  99:741     100:70      101:1404    102:4311    103:32674   104:4819   
 105:2229    106:998     107:2612    108:1223    109:4152    110:2272   
 111:3338    112:2073    113:1823    114:1959    115:2223    116:2101   
 117:2759    118:2901    119:2014    120:1909    121:1438    122:2901   
 123:2330    124:1640    125:2916    126:94      128:1611    129:1037   
 130:1315    131:2010    132:913     133:450     134:1535    135:375    
 136:1334    137:1170    138:3239    139:1633    140:1567    141:1485   
 142:1877    143:1736    144:1071    145:478     146:2161    147:2076   
 148:2601    149:2965    150:1244    151:1697    152:2128    153:574    
 154:7803    155:1629    156:3204    157:1931    158:1273    159:2433   
 160:3660    161:1971    162:3718    163:1870    164:1762    165:2215   
 166:1371    167:1906    168:4363    169:820     170:5505    171:1003   
 172:4372    173:3273    174:914     175:1289    176:3746    177:6182   
 178:3930    179:2724    180:2654    181:4162    182:3380    183:2070   
 184:2310    185:21789   186:5692    187:4998    188:4335    189:4609   
 190:9928    191:2112    192:11226   193:9454    194:7869    195:5645   
 196:3621    197:3986    198:6232    199:8371    200:8707    201:6570   
 202:10871   203:10769   204:4596    205:3721    206:4695    207:3610   
 208:4230    209:5276    210:4882    211:2632    212:4612    213:3878   
 214:1054    215:42      216:6672    217:3153    218:1395    219:555    
 220:2116    221:1054    222:849     223:2336   

End of report


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