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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jan 11 22:42:21 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Sat 11 Jan, 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:                             1028558
    Prefixes after maximum aggregation (per Origin AS):          374723
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      469732
Total ASes present in the Internet Routing Table:                 76652
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65961
Origin ASes announcing only one prefix:                           26199
Transit ASes present in the Internet Routing Table:               10691
Transit-only ASes present in the Internet Routing Table:            519
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:              1136
    Number of instances of unregistered ASNs:                      1143
Number of 32-bit ASNs allocated by the RIRs:                      46023
Number of 32-bit ASNs visible in the Routing Table:               37680
Prefixes from 32-bit ASNs in the Routing Table:                  208121
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            544
Number of addresses announced to Internet:                   3127151722
    Equivalent to 186 /8s, 100 /16s and 140 /24s
    Percentage of available address space announced:               84.5
    Percentage of allocated address space announced:               84.5
    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:      345916

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

Prefixes being announced by APNIC Region ASes:                   266028
    Total APNIC prefixes after maximum aggregation:               76810
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257678
    Unique aggregates announced from the APNIC address blocks:   102258
APNIC Region origin ASes present in the Internet Routing Table:   14522
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4421
APNIC Region transit ASes present in the Internet Routing Table:   1925
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         46
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9966
Number of APNIC addresses announced to Internet:              762554944
    Equivalent to 45 /8s, 115 /16s and 170 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
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:                    296605
    Total ARIN prefixes after maximum aggregation:               128436
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           298106
    Unique aggregates announced from the ARIN address blocks:    132485
ARIN Region origin ASes present in the Internet Routing Table:    19220
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6964
ARIN Region transit ASes present in the Internet Routing Table:    1922
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5109
Number of ARIN addresses announced to Internet:              1348692422
    Equivalent to 80 /8s, 99 /16s and 105 /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:                    288235
    Total RIPE prefixes after maximum aggregation:               132757
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           285024
    Unique aggregates announced from the RIPE address blocks:    170548
RIPE Region origin ASes present in the Internet Routing Table:    28873
    RIPE Prefixes per ASN:                                         9.87
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    3846
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12205
Number of RIPE addresses announced to Internet:               733293332
    Equivalent to 43 /8s, 181 /16s and 43 /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:                  138313
    Total LACNIC prefixes after maximum aggregation:              29272
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135838
    Unique aggregates announced from the LACNIC address blocks:   48972
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2140
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9127
Number of LACNIC addresses announced to Internet:             177616768
    Equivalent to 10 /8s, 150 /16s and 55 /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:                  38234
    Total AfriNIC prefixes after maximum aggregation:              6744
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         51366
    Unique aggregates announced from the AfriNIC address blocks:  15026
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     26.81
AfriNIC Region origin ASes announcing only one prefix:              638
AfriNIC Region transit ASes present in the Internet Routing Table:  360
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: 1273
Number of AfriNIC addresses announced to Internet:            104722176
    Equivalent to 6 /8s, 61 /16s and 239 /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       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4941       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4319        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4084        525     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2822        846     546  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       12630      38899    3303  AMAZON-02, US
   174        6139       8762     880  COGENT-174, US
 11492        4693        312     549  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      79  SHAW, CA
 22773        3411       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3144        508     130  CENIC-2152, US
 16625        3034       1312    2193  AKAMAI-AS, US
396982        2894       3656     440  GOOGLE-CLOUD-PLATFORM, 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        9649       1282    1365  TTNET, TR
 12479        7669       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4044       3396     141  AKAMAI-ASN1, NL
  9009        3782        324    1919  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2417        363     569  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1887        135    1394  CDNEXT, GB
  5384        1772        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       11869       3246     711  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2530        538     368  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1113        371      22  Telefonica del Peru S.A.A., PE
 22884        1074         98     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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
 24835        1669        593      29  RAYA-AS, EG
 24863        1645        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1578        100      96  ORANGE-COTE-IVOIRE, CI
 36992        1427       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1017        523      45  Vodafone-, EG
 37069         832       1083      15  MOBINIL, EG
  6713         558       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       12630      38899    3303  AMAZON-02, US
  8151       11869       3246     711  UNINET, MX
  9808       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7669       1709     143  UNI2-AS, ES
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6139       8762     880  COGENT-174, US
  4538        4941       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4693        312     549  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       11869        11158  UNINET, MX
  9808       10296        10172  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7669         7526  UNI2-AS, ES
  7545        6198         5533  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6139         5259  COGENT-174, US
  4538        4941         4864  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4319         4296  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4144  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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     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

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
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

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      /11:93      /12:312     
/13:595     /14:1242    /15:2220    /16:14175   /17:8567    /18:14756   
/19:25660   /20:46338   /21:55176   /22:116422  /23:110326  /24:626448  
/25:648     /26:653     /27:1185    /28:222     /29:377     /30:248     
/31:1248    /32:1572    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6634        7669  UNI2-AS, ES
  8151        6018       11869  UNINET, MX
 11492        3555        4693  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2544        3411  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2257       12630  AMAZON-02, US
 30036        2233        2572  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2324      2:1664      3:547       4:25        5:4829      6:165    
   7:6         8:1648      9:1        10:1        11:172      12:1392   
  13:358      14:2525     15:334      16:270      17:361      18:906    
  20:459      21:4        22:188      23:7269     24:2777     25:2      
  27:2730     29:19       31:3138     32:56       34:73       35:182    
  36:2427     37:4651     38:10434    39:884      40:155      41:4714   
  42:1980     43:2559     44:345      45:19714    46:5020     47:295    
  49:2023     50:1881     51:587      52:1603     54:307      55:1031   
  56:8        57:245      58:2291     59:1254     60:1160     61:2982   
  62:3019     63:1856     64:5471     65:2235     66:4739     67:3085   
  68:1247     69:4026     70:1128     71:613      72:2940     74:2817   
  75:1638     76:638      77:2719     78:4225     79:1739     80:2264   
  81:2207     82:1888     83:1452     84:1827     85:4212     86:993    
  87:2443     88:3420     89:4464     90:757      91:8451     92:2779   
  93:2862     94:3920     95:5399     96:1268     97:320      98:1011   
  99:733     100:72      101:1390    102:4062    103:32627   104:4582   
 105:2168    106:1015    107:2619    108:1197    109:4120    110:2270   
 111:3360    112:2065    113:1812    114:1951    115:2262    116:2061   
 117:2745    118:2895    119:2023    120:1900    121:1434    122:2871   
 123:2200    124:1692    125:2899    126:62      128:1686    129:1023   
 130:1295    131:2036    132:920     133:450     134:1521    135:368    
 136:1349    137:1166    138:3240    139:1563    140:1541    141:1470   
 142:1857    143:1708    144:1042    145:472     146:2153    147:2044   
 148:2604    149:2926    150:1206    151:1616    152:2144    153:568    
 154:8193    155:1606    156:3415    157:1916    158:1261    159:2444   
 160:3592    161:1828    162:3665    163:1798    164:1748    165:2205   
 166:1344    167:1900    168:4394    169:821     170:5497    171:1005   
 172:4061    173:3200    174:917     175:1286    176:3698    177:6268   
 178:3913    179:2679    180:2623    181:4151    182:3356    183:2075   
 184:2277    185:21660   186:5661    187:4938    188:4382    189:4492   
 190:9923    191:2085    192:11289   193:9379    194:7786    195:5567   
 196:3487    197:3792    198:6177    199:8322    200:8680    201:6570   
 202:10881   203:10741   204:4623    205:3727    206:4719    207:3633   
 208:4229    209:5216    210:4896    211:2625    212:4626    213:3874   
 214:1047    215:48      216:6700    217:3162    218:1391    219:551    
 220:2110    221:1051    222:850     223:2320   

End of report


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