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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jan 28 22:46:18 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Tue 28 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:                             1031501
    Prefixes after maximum aggregation (per Origin AS):          376276
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      473455
Total ASes present in the Internet Routing Table:                 76723
    Prefixes per ASN:                                             13.44
Origin-only ASes present in the Internet Routing Table:           66042
Origin ASes announcing only one prefix:                           26230
Transit ASes present in the Internet Routing Table:               10681
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:              1144
    Number of instances of unregistered ASNs:                      1151
Number of 32-bit ASNs allocated by the RIRs:                      46077
Number of 32-bit ASNs visible in the Routing Table:               37785
Prefixes from 32-bit ASNs in the Routing Table:                  209776
Number of bogon 32-bit ASNs visible in the Routing Table:            80
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            550
Number of addresses announced to Internet:                   3121954171
    Equivalent to 186 /8s, 21 /16s and 61 /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:      347632

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

Prefixes being announced by APNIC Region ASes:                   266342
    Total APNIC prefixes after maximum aggregation:               76982
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257831
    Unique aggregates announced from the APNIC address blocks:   102521
APNIC Region origin ASes present in the Internet Routing Table:   14533
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4416
APNIC Region transit ASes present in the Internet Routing Table:   1942
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:   9991
Number of APNIC addresses announced to Internet:              760022848
    Equivalent to 45 /8s, 77 /16s and 7 /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:                    296937
    Total ARIN prefixes after maximum aggregation:               128839
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298306
    Unique aggregates announced from the ARIN address blocks:    134690
ARIN Region origin ASes present in the Internet Routing Table:    19240
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6994
ARIN Region transit ASes present in the Internet Routing Table:    1912
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:    5136
Number of ARIN addresses announced to Internet:              1345378246
    Equivalent to 80 /8s, 48 /16s and 215 /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:                    289547
    Total RIPE prefixes after maximum aggregation:               133596
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286338
    Unique aggregates announced from the RIPE address blocks:    171597
RIPE Region origin ASes present in the Internet Routing Table:    28904
    RIPE Prefixes per ASN:                                         9.91
RIPE Region origin ASes announcing only one prefix:               12025
RIPE Region transit ASes present in the Internet Routing Table:    3831
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:   12247
Number of RIPE addresses announced to Internet:               733546021
    Equivalent to 43 /8s, 185 /16s and 6 /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:                  138770
    Total LACNIC prefixes after maximum aggregation:              29335
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         136220
    Unique aggregates announced from the LACNIC address blocks:   49006
LACNIC Region origin ASes present in the Internet Routing Table:  11204
    LACNIC Prefixes per ASN:                                      12.16
LACNIC Region origin ASes announcing only one prefix:              2154
LACNIC Region transit ASes present in the Internet Routing Table:  2479
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:  9136
Number of LACNIC addresses announced to Internet:             178067584
    Equivalent to 10 /8s, 157 /16s and 24 /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:                  38761
    Total AfriNIC prefixes after maximum aggregation:              6818
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         52254
    Unique aggregates announced from the AfriNIC address blocks:  15195
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     27.29
AfriNIC Region origin ASes announcing only one prefix:              641
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:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet:            104673792
    Equivalent to 6 /8s, 61 /16s and 50 /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       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4189        347      24  FPT-AS-AP FPT Telecom Company, VN
  9498        4169        529     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2835        852     538  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       12638      38874    3703  AMAZON-02, US
   174        6140       8761     890  COGENT-174, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3413       3049     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
  2152        3154        508     130  CENIC-2152, US
 16625        3017       1306    2197  AKAMAI-AS, US
396982        2904       3657     446  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        9656       1283    1342  TTNET, TR
 12479        7763       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4029       3396     141  AKAMAI-ASN1, NL
  9009        3772        323    1916  M247, RO
 12389        2993       2303     891  ROSTELECOM-AS, RU
 34984        2418        364     573  TELLCOM-AS, TR
  8452        1950       1852      14  TE-AS TE-AS, EG
212238        1906        136    1406  CDNEXT, GB
  5384        1791        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       11958       3249     704  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2518        539     366  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1579       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1104        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         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        1681        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1546         97     106  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        1002        521      42  Vodafone-, EG
 37069         843       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       12638      38874    3703  AMAZON-02, US
  8151       11958       3249     704  UNINET, MX
  9808       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9656       1283    1342  TTNET, TR
 12479        7763       1711     144  UNI2-AS, ES
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6140       8761     890  COGENT-174, US
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        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       11958        11254  UNINET, MX
  9808       10400        10275  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9656         8314  TTNET, TR
 12479        7763         7619  UNI2-AS, ES
  7545        6206         5543  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6140         5250  COGENT-174, US
  4538        5035         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4189         4165  FPT-AS-AP FPT Telecom Company, VN
 11492        4697         4145  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
    213519  UNALLOCATED  5.175.237.0/24           58212  DATAFOREST, DE
    213519  UNALLOCATED  5.175.238.0/24           26042  FIBERSTATE, 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

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
23.133.68.0/24       Origin:    401556  VINAGPU, US
23.133.68.0/24      Transit:     20473  AS-VULTR, 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

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      /12:310     
/13:590     /14:1240    /15:2213    /16:14135   /17:8575    /18:14728   
/19:25631   /20:46314   /21:55161   /22:116455  /23:110371  /24:629399  
/25:650     /26:653     /27:1186    /28:220     /29:378     /30:248     
/31:1255    /32:1621    

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

   ASN  No of nets  Total ann.  Description
 47331        8741        9656  TTNET, TR
 12479        6723        7763  UNI2-AS, ES
  8151        6113       11958  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2545        3413  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2252       12638  AMAZON-02, US
 30036        2235        2574  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2329      2:1616      3:565       4:25        5:4900      6:165    
   7:6         8:1642      9:1        10:1        11:172      12:1389   
  13:351      14:2534     15:342      16:270      17:363      18:909    
  20:460      21:4        22:188      23:7324     24:2780     25:2      
  27:2783     29:19       31:3178     32:57       34:74       35:189    
  36:2434     37:4754     38:10461    39:897      40:151      41:4721   
  42:1925     43:2571     44:348      45:19814    46:5024     47:296    
  49:2006     50:1871     51:588      52:1604     54:307      55:1135   
  56:9        57:246      58:2303     59:1256     60:1161     61:2991   
  62:3038     63:1852     64:5555     65:2230     66:4732     67:3090   
  68:1186     69:4058     70:1126     71:616      72:2945     74:2814   
  75:1642     76:629      77:2738     78:4230     79:1752     80:2255   
  81:2224     82:2154     83:1459     84:1824     85:4220     86:1005   
  87:2462     88:3425     89:4486     90:756      91:8474     92:2804   
  93:2922     94:4008     95:5401     96:1293     97:317      98:991    
  99:738     100:72      101:1398    102:4381    103:32625   104:4657   
 105:2165    106:1015    107:2619    108:1178    109:4131    110:2262   
 111:3380    112:2073    113:1800    114:1957    115:2249    116:2063   
 117:2752    118:2865    119:2018    120:1904    121:1431    122:2873   
 123:2188    124:1698    125:2906    126:94      128:1693    129:1037   
 130:1305    131:2044    132:922     133:451     134:1521    135:368    
 136:1347    137:1169    138:3240    139:1605    140:1552    141:1502   
 142:1868    143:1721    144:1042    145:466     146:2157    147:2057   
 148:2600    149:2916    150:1210    151:1643    152:2114    153:570    
 154:8315    155:1565    156:3514    157:1905    158:1261    159:2430   
 160:3636    161:1856    162:3678    163:1810    164:1753    165:2205   
 166:1326    167:1905    168:4408    169:826     170:5535    171:1005   
 172:4161    173:3247    174:919     175:1289    176:3723    177:6294   
 178:3943    179:2677    180:2629    181:4127    182:3374    183:2046   
 184:2276    185:21723   186:5705    187:5058    188:4386    189:4559   
 190:9951    191:2108    192:11300   193:9418    194:7830    195:5632   
 196:3493    197:3924    198:6215    199:8332    200:8721    201:6577   
 202:10874   203:10763   204:4589    205:3722    206:4714    207:3635   
 208:4222    209:5227    210:4852    211:2620    212:4623    213:3874   
 214:1048    215:42      216:6709    217:3181    218:1394    219:555    
 220:2115    221:1054    222:850     223:2330   

End of report


More information about the ren-bgp-stats-all mailing list