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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 8 22:41:42 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Wed 08 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:                             1028179
    Prefixes after maximum aggregation (per Origin AS):          374496
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469729
Total ASes present in the Internet Routing Table:                 76625
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65911
Origin ASes announcing only one prefix:                           26220
Transit ASes present in the Internet Routing Table:               10714
Transit-only ASes present in the Internet Routing Table:            516
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:              1140
    Number of instances of unregistered ASNs:                      1147
Number of 32-bit ASNs allocated by the RIRs:                      45985
Number of 32-bit ASNs visible in the Routing Table:               37667
Prefixes from 32-bit ASNs in the Routing Table:                  207790
Number of bogon 32-bit ASNs visible in the Routing Table:            72
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            546
Number of addresses announced to Internet:                   3126621801
    Equivalent to 186 /8s, 92 /16s and 118 /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:      345862

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

Prefixes being announced by APNIC Region ASes:                   265789
    Total APNIC prefixes after maximum aggregation:               76836
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257228
    Unique aggregates announced from the APNIC address blocks:   102254
APNIC Region origin ASes present in the Internet Routing Table:   14521
    APNIC Prefixes per ASN:                                       17.71
APNIC Region origin ASes announcing only one prefix:               4429
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:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9963
Number of APNIC addresses announced to Internet:              762394176
    Equivalent to 45 /8s, 113 /16s and 54 /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:                    296681
    Total ARIN prefixes after maximum aggregation:               128417
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297835
    Unique aggregates announced from the ARIN address blocks:    132500
ARIN Region origin ASes present in the Internet Routing Table:    19200
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6949
ARIN Region transit ASes present in the Internet Routing Table:    1925
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:    5101
Number of ARIN addresses announced to Internet:              1348422598
    Equivalent to 80 /8s, 95 /16s and 75 /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:                    287951
    Total RIPE prefixes after maximum aggregation:               132617
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284687
    Unique aggregates announced from the RIPE address blocks:    170380
RIPE Region origin ASes present in the Internet Routing Table:    28860
    RIPE Prefixes per ASN:                                         9.86
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    3857
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:   12201
Number of RIPE addresses announced to Internet:               733166355
    Equivalent to 43 /8s, 179 /16s and 59 /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:                  138187
    Total LACNIC prefixes after maximum aggregation:              29180
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         135712
    Unique aggregates announced from the LACNIC address blocks:   48779
LACNIC Region origin ASes present in the Internet Routing Table:  11201
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2160
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:  9126
Number of LACNIC addresses announced to Internet:             177538176
    Equivalent to 10 /8s, 149 /16s and 4 /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:                  38424
    Total AfriNIC prefixes after maximum aggregation:              6736
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         52169
    Unique aggregates announced from the AfriNIC address blocks:  15367
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     27.16
AfriNIC Region origin ASes announcing only one prefix:              646
AfriNIC Region transit ASes present in the Internet Routing Table:  362
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: 1276
Number of AfriNIC addresses announced to Internet:            104795904
    Equivalent to 6 /8s, 63 /16s and 15 /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       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4940       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4320        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4074        525     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  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        2816        845     544  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       12604      38864    3297  AMAZON-02, US
   174        6219       8764     878  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      79  SHAW, CA
 22773        3410       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  2152        3148        508     130  CENIC-2152, US
 16625        3024       1310    2194  AKAMAI-AS, US
  7018        2946      23365    1977  ATT-INTERNET4, 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        9650       1282    1363  TTNET, TR
 12479        7685       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4042       3396     141  AKAMAI-ASN1, NL
  9009        3785        324    1921  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2418        363     569  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1861        133    1373  CDNEXT, GB
  5384        1792        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       11655       3232     610  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2535        538     368  Mega Cable, S.A. de C.V., MX
 11830        1994        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        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         98     372  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        1636        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1546         98      67  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1001        521      42  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       12604      38864    3297  AMAZON-02, US
  8151       11655       3232     610  UNINET, MX
  9808       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7685       1709     143  UNI2-AS, ES
   174        6219       8764     878  COGENT-174, US
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4940       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        312     552  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       11655        11045  UNINET, MX
  9808       10162        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7685         7542  UNI2-AS, ES
  7545        6197         5532  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6219         5341  COGENT-174, US
  4538        4940         4863  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4320         4297  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  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    /16:14167   /17:8558    /18:14746   
/19:25639   /20:46299   /21:55119   /22:116243  /23:110071  /24:626836  
/25:463     /26:654     /27:1173    /28:221     /29:378     /30:247     
/31:1249    /32:1579    

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

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6650        7685  UNI2-AS, ES
  8151        5807       11655  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2543        3410  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2255       12604  AMAZON-02, US
 30036        2231        2570  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2321      2:1659      3:539       4:25        5:4824      6:165    
   7:6         8:1647      9:1        10:1        11:172      12:1393   
  13:357      14:2511     15:334      16:270      17:361      18:905    
  20:457      21:4        22:188      23:7280     24:2777     25:2      
  27:2731     29:19       31:3125     32:56       34:73       35:181    
  36:2425     37:4649     38:10416    39:883      40:151      41:4714   
  42:1992     43:2555     44:346      45:19929    46:5021     47:295    
  49:2022     50:1880     51:586      52:1602     54:307      55:1031   
  56:8        57:245      58:2291     59:1254     60:1160     61:2980   
  62:3021     63:1856     64:5477     65:2235     66:4741     67:3090   
  68:1268     69:4032     70:1127     71:610      72:2939     74:2815   
  75:1639     76:636      77:2715     78:4225     79:1727     80:2261   
  81:2206     82:1870     83:1452     84:1816     85:4207     86:989    
  87:2436     88:3412     89:4454     90:759      91:8436     92:2775   
  93:2853     94:3905     95:5406     96:1263     97:317      98:1036   
  99:732     100:72      101:1390    102:4318    103:32560   104:4564   
 105:2163    106:1016    107:2617    108:1197    109:4119    110:2269   
 111:3351    112:2065    113:1820    114:1954    115:2255    116:2057   
 117:2691    118:2892    119:2025    120:1896    121:1415    122:2866   
 123:2199    124:1692    125:2884    126:62      128:1690    129:1000   
 130:1295    131:2003    132:927     133:450     134:1518    135:369    
 136:1346    137:1165    138:3249    139:1562    140:1531    141:1453   
 142:1862    143:1703    144:1043    145:473     146:2148    147:2048   
 148:2596    149:2915    150:1201    151:1593    152:2140    153:570    
 154:8436    155:1603    156:3545    157:1907    158:1266    159:2444   
 160:3579    161:1827    162:3652    163:1797    164:1740    165:2203   
 166:1353    167:1898    168:4405    169:821     170:5501    171:1005   
 172:4055    173:3204    174:918     175:1287    176:3692    177:6304   
 178:3905    179:2734    180:2620    181:4144    182:3356    183:2069   
 184:2272    185:21618   186:5684    187:4917    188:4379    189:4511   
 190:9916    191:2108    192:11285   193:9368    194:7798    195:5563   
 196:3480    197:3830    198:6177    199:8333    200:8704    201:6572   
 202:10877   203:10729   204:4632    205:3736    206:4718    207:3633   
 208:4233    209:5207    210:4843    211:2616    212:4607    213:3881   
 214:1053    215:48      216:6706    217:3157    218:1386    219:551    
 220:2109    221:1052    222:850     223:2304   

End of report


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