[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 12 22:46:24 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Wed 12 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:                             1030004
    Prefixes after maximum aggregation (per Origin AS):          376799
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      474805
Total ASes present in the Internet Routing Table:                 76719
    Prefixes per ASN:                                             13.43
Origin-only ASes present in the Internet Routing Table:           66042
Origin ASes announcing only one prefix:                           26250
Transit ASes present in the Internet Routing Table:               10677
Transit-only ASes present in the Internet Routing Table:            526
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:              1109
    Number of instances of unregistered ASNs:                      1116
Number of 32-bit ASNs allocated by the RIRs:                      46121
Number of 32-bit ASNs visible in the Routing Table:               37844
Prefixes from 32-bit ASNs in the Routing Table:                  210135
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            522
Number of addresses announced to Internet:                   3115538043
    Equivalent to 185 /8s, 179 /16s and 86 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      347415

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

Prefixes being announced by APNIC Region ASes:                   265589
    Total APNIC prefixes after maximum aggregation:               76975
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          256936
    Unique aggregates announced from the APNIC address blocks:   102829
APNIC Region origin ASes present in the Internet Routing Table:   14543
    APNIC Prefixes per ASN:                                       17.67
APNIC Region origin ASes announcing only one prefix:               4430
APNIC Region transit ASes present in the Internet Routing Table:   1929
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:  10006
Number of APNIC addresses announced to Internet:              755790400
    Equivalent to 45 /8s, 12 /16s and 114 /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:                    296447
    Total ARIN prefixes after maximum aggregation:               129038
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           297837
    Unique aggregates announced from the ARIN address blocks:    135150
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6988
ARIN Region transit ASes present in the Internet Routing Table:    1916
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:    5141
Number of ARIN addresses announced to Internet:              1344012486
    Equivalent to 80 /8s, 28 /16s and 0 /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:                    289478
    Total RIPE prefixes after maximum aggregation:               133760
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           286432
    Unique aggregates announced from the RIPE address blocks:    172079
RIPE Region origin ASes present in the Internet Routing Table:    28897
    RIPE Prefixes per ASN:                                         9.91
RIPE Region origin ASes announcing only one prefix:               12017
RIPE Region transit ASes present in the Internet Routing Table:    3839
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12275
Number of RIPE addresses announced to Internet:               732731173
    Equivalent to 43 /8s, 172 /16s and 151 /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:                  138330
    Total LACNIC prefixes after maximum aggregation:              29393
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135683
    Unique aggregates announced from the LACNIC address blocks:   49020
LACNIC Region origin ASes present in the Internet Routing Table:  11213
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2163
LACNIC Region transit ASes present in the Internet Routing Table:  2467
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:  9145
Number of LACNIC addresses announced to Internet:             177997184
    Equivalent to 10 /8s, 156 /16s and 5 /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:                  39051
    Total AfriNIC prefixes after maximum aggregation:              6944
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         52592
    Unique aggregates announced from the AfriNIC address blocks:  15298
AfriNIC Region origin ASes present in the Internet Routing Table:  1922
    AfriNIC Prefixes per ASN:                                     27.36
AfriNIC Region origin ASes announcing only one prefix:              652
AfriNIC Region transit ASes present in the Internet Routing Table:  365
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: 1277
Number of AfriNIC addresses announced to Internet:            104742656
    Equivalent to 6 /8s, 62 /16s and 63 /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       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040       4194      78  ERX-CERNET-BKB China Education and Resear
 18403        4225        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2837        853     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2213        434     192  TATACOMM-AS TATA Communications formerly 

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       12735      38947    3726  AMAZON-02, US
   174        5542       8758     883  COGENT-174, US
 11492        4703        312     556  CABLEONE, US
  7155        4180        287      86  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3387       3049     185  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
  2152        3191        508     130  CENIC-2152, US
 16625        3029       1302    2199  AKAMAI-AS, US
396982        2924       3659     447  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        9661       1284    1335  TTNET, TR
 12479        7749       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4014       3396     143  AKAMAI-ASN1, NL
  9009        3768        324    1919  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2416        364     573  TELLCOM-AS, TR
212238        1960        141    1448  CDNEXT, GB
  8452        1916       1852      14  TE-AS TE-AS, EG
  5384        1799        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       12010       3243     705  UNINET, MX
 10620        3542        492     950  Telmex Colombia S.A., CO
 13999        2517        539     365  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1592       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 28202        1130         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1109        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     374  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        1677        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1539         97     100  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1001        521      42  Vodafone-, EG
 37069         847       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       12735      38947    3726  AMAZON-02, US
  8151       12010       3243     705  UNINET, MX
  9808       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9661       1284    1335  TTNET, TR
 12479        7749       1714     145  UNI2-AS, ES
  7545        6212        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5542       8758     883  COGENT-174, US
  4538        5040       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4703        312     556  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       12010        11305  UNINET, MX
  9808       10337        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9661         8326  TTNET, TR
 12479        7749         7604  UNI2-AS, ES
  7545        6212         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040         4962  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5542         4659  COGENT-174, US
 18403        4225         4200  FPT-AS-AP FPT Telecom Company, VN
 11492        4703         4147  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
100.126.255.172/30        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
100.127.255.192/28        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
23.140.16.0/24       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
23.140.216.0/24      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

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      /12:307     
/13:588     /14:1235    /15:2207    /16:14107   /17:8558    /18:14258   
/19:25428   /20:46132   /21:54893   /22:116014  /23:109960  /24:629920  
/25:655     /26:651     /27:1183    /28:220     /29:370     /30:244     
/31:1269    /32:1637    

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

   ASN  No of nets  Total ann.  Description
 47331        8747        9661  TTNET, TR
 12479        6706        7749  UNI2-AS, ES
  8151        6174       12010  UNINET, MX
 11492        3556        4703  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3128        4180  VIASAT-SP-BACKBONE, US
 22773        2522        3387  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2263       12735  AMAZON-02, US
 30036        2248        2588  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2331      2:1602      3:570       4:25        5:4819      6:165    
   7:6         8:1651      9:1        10:1        11:172      12:1388   
  13:351      14:2543     15:348      16:270      17:360      18:917    
  20:460      21:4        22:188      23:7352     24:2777     25:2      
  27:2767     29:19       31:3201     32:57       34:81       35:205    
  36:2435     37:4745     38:10001    39:897      40:153      41:4765   
  42:1925     43:2575     44:348      45:19877    46:5034     47:295    
  49:2003     50:1894     51:588      52:1604     54:306      55:995    
  56:9        57:252      58:2318     59:1253     60:1166     61:3128   
  62:3039     63:1847     64:5544     65:2219     66:4728     67:3092   
  68:1128     69:4035     70:1134     71:619      72:2939     74:2819   
  75:1643     76:633      77:2756     78:4229     79:1741     80:2256   
  81:2211     82:2432     83:1452     84:1819     85:4239     86:1028   
  87:2447     88:3424     89:4468     90:757      91:8452     92:2818   
  93:2892     94:3998     95:5412     96:1326     97:317      98:981    
  99:738     100:71      101:1397    102:4275    103:32604   104:4701   
 105:2229    106:1018    107:2626    108:1207    109:4130    110:2263   
 111:3394    112:2071    113:1815    114:1957    115:2263    116:2107   
 117:2745    118:2860    119:2014    120:1904    121:1433    122:2888   
 123:2303    124:1676    125:2914    126:94      128:1685    129:1040   
 130:1313    131:2047    132:908     133:450     134:1530    135:370    
 136:1343    137:1170    138:3259    139:1608    140:1561    141:1483   
 142:1873    143:1731    144:1072    145:469     146:2171    147:2067   
 148:2607    149:2912    150:1228    151:1674    152:2147    153:574    
 154:8168    155:1621    156:3642    157:1913    158:1256    159:2429   
 160:3667    161:1923    162:3687    163:1827    164:1753    165:2207   
 166:1360    167:1911    168:4412    169:820     170:5514    171:1007   
 172:4312    173:3273    174:918     175:1291    176:3724    177:6149   
 178:3920    179:2725    180:2639    181:4153    182:3374    183:2034   
 184:2271    185:21766   186:5677    187:4988    188:4351    189:4575   
 190:9910    191:2082    192:11218   193:9455    194:7850    195:5627   
 196:3544    197:3945    198:6232    199:8346    200:8714    201:6574   
 202:10898   203:10800   204:4605    205:3739    206:4709    207:3620   
 208:4210    209:5252    210:4872    211:2636    212:4625    213:3874   
 214:1055    215:42      216:6682    217:3185    218:1395    219:553    
 220:2120    221:1055    222:848     223:2329   

End of report


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