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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 25 22:41:21 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 25 May, 2024

  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:                              1009406
    Prefixes after maximum aggregation (per Origin AS):          367352
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462733
Total ASes present in the Internet Routing Table:                 76109
    Prefixes per ASN:                                             13.26
Origin-only ASes present in the Internet Routing Table:           65115
Origin ASes announcing only one prefix:                           26070
Transit ASes present in the Internet Routing Table:               10994
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1385
    Number of instances of unregistered ASNs:                      1389
Number of 32-bit ASNs allocated by the RIRs:                      44572
Number of 32-bit ASNs visible in the Routing Table:               36601
Prefixes from 32-bit ASNs in the Routing Table:                  197478
Number of bogon 32-bit ASNs visible in the Routing Table:           173
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            919
Number of addresses announced to Internet:                   3030412660
    Equivalent to 180 /8s, 160 /16s and 109 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      345314

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

Prefixes being announced by APNIC Region ASes:                   264134
    Total APNIC prefixes after maximum aggregation:               74843
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          256037
    Unique aggregates announced from the APNIC address blocks:   101168
APNIC Region origin ASes present in the Internet Routing Table:   14268
    APNIC Prefixes per ASN:                                       17.94
APNIC Region origin ASes announcing only one prefix:               4279
APNIC Region transit ASes present in the Internet Routing Table:   1931
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9614
Number of APNIC addresses announced to Internet:              762422944
    Equivalent to 45 /8s, 113 /16s and 166 /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:                    286887
    Total ARIN prefixes after maximum aggregation:               126602
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291610
    Unique aggregates announced from the ARIN address blocks:    133729
ARIN Region origin ASes present in the Internet Routing Table:    19202
    ARIN Prefixes per ASN:                                        15.19
ARIN Region origin ASes announcing only one prefix:                6949
ARIN Region transit ASes present in the Internet Routing Table:    2016
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4923
Number of ARIN addresses announced to Internet:              1268268866
    Equivalent to 75 /8s, 152 /16s and 63 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                    286125
    Total RIPE prefixes after maximum aggregation:               129753
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279777
    Unique aggregates announced from the RIPE address blocks:    164394
RIPE Region origin ASes present in the Internet Routing Table:    28731
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12092
RIPE Region transit ASes present in the Internet Routing Table:    4013
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          47
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11850
Number of RIPE addresses announced to Internet:               714833010
    Equivalent to 42 /8s, 155 /16s and 124 /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,
                        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:                  136032
    Total LACNIC prefixes after maximum aggregation:              29148
    LACNIC Deaggregation factor:                                   4.67
Prefixes being announced from the LACNIC address blocks:         134418
    Unique aggregates announced from the LACNIC address blocks:   49746
LACNIC Region origin ASes present in the Internet Routing Table:  11105
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2137
LACNIC Region transit ASes present in the Internet Routing Table:  2476
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        63
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8996
Number of LACNIC addresses announced to Internet:             177159456
    Equivalent to 10 /8s, 143 /16s and 61 /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:                  34843
    Total AfriNIC prefixes after maximum aggregation:              6278
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         46644
    Unique aggregates announced from the AfriNIC address blocks:  13165
AfriNIC Region origin ASes present in the Internet Routing Table:  1848
    AfriNIC Prefixes per ASN:                                     25.24
AfriNIC Region origin ASes announcing only one prefix:              613
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1218
Number of AfriNIC addresses announced to Internet:            107265536
    Equivalent to 6 /8s, 100 /16s and 190 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5642        777     676  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4540       1893      44  VNPT-AS-VN VNPT Corp, VN
 18403        4439        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3929       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3752        509     262  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3645       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2794        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2486      11523     582  KIXS-AS-KR Korea Telecom, KR

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        9966      11386    3524  AMAZON-02, US
   174        5234       8782     867  COGENT-174, US
 11492        4623        307     591  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3549       3060     238  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54904    2475  DNIC-AS-00749, US
 16625        3158       1351    2253  AKAMAI-AS, US
  7018        2838      23660    1790  ATT-INTERNET4, US
   367        2764       3393    1288  DNIC-ASBLK-00306-00371, 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        9145       1227    2116  TTNET, TR
 12479        7761       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3904       3396     153  AKAMAI-ASN1, NL
  9009        3513        300    1751  M247, RO
 12389        2989       2305     902  ROSTELECOM-AS, RU
  8551        2644        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2578       1852      14  TE-AS TE-AS, EG
  5384        2486        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2385        365     572  TELLCOM-AS, TR

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       12213       3320     496  UNINET, MX
 10620        3509        492     941  Telmex Colombia S.A., CO
 13999        2540        352     664  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1189        177     438  Techtel LMDS Comunicaciones Interactiva
  6503        1128        315     480  Axtel, S.A.B. de C.V., MX
 28202        1119         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1635        314      37  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1378       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1208         77      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         550         82       3  KENET-AS, KE
 15399         540         56      55  WANANCHI-, KE

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
  8151       12213       3320     496  UNINET, MX
 16509        9966      11386    3524  AMAZON-02, US
  9808        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9145       1227    2116  TTNET, TR
 12479        7761       1708     145  UNI2-AS, ES
  7545        5642        777     676  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5234       8782     867  COGENT-174, US
  4538        5040       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4623        307     591  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
  9808        9849         9779  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7761         7616  UNI2-AS, ES
 47331        9145         7029  TTNET, TR
 16509        9966         6442  AMAZON-02, US
  7545        5642         4966  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040         4966  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4540         4496  VNPT-AS-VN VNPT Corp, VN
 18403        4439         4416  FPT-AS-AP FPT Telecom Company, VN
   174        5234         4367  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     46639  UNALLOCATED  8.17.66.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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       /9:14      /10:37      /11:93      /12:298     
/13:582     /14:1197    /15:2129    /16:13425   /17:8535    /18:14789   
/19:25794   /20:45792   /21:54530   /22:115659  /23:108610  /24:611663  
/25:1130    /26:1101    /27:1611    /28:310     /29:518     /30:518     
/31:353     /32:701     

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

   ASN  No of nets  Total ann.  Description
 47331        8251        9145  TTNET, TR
 12479        6855        7761  UNI2-AS, ES
  8151        6236       12213  UNINET, MX
 11492        3532        4623  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3549  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2166        2512  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2138        3509  Telmex Colombia S.A., CO

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

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

   1:2327      2:1724      3:348       4:22        5:4748      6:162    
   7:6         8:1623      9:1        11:172      12:1468     13:357    
  14:2488     15:319      16:211      17:375      18:769      20:396    
  21:4        22:188      23:6831     24:3126     25:2        27:2672   
  29:19       31:2734     32:61       34:66       35:137      36:2331   
  37:4630     38:8802     39:903      40:125      41:4668     42:2168   
  43:2440     44:322      45:18500    46:4603     47:312      49:1970   
  50:1931     51:584      52:1619     54:314      55:975      56:5      
  57:187      58:2138     59:1270     60:1029     61:2802     62:2829   
  63:1927     64:5732     65:2394     66:4850     67:3074     68:1345   
  69:4152     70:1386     71:595      72:2953     74:2627     75:1589   
  76:623      77:2618     78:4186     79:2552     80:2223     81:2270   
  82:1698     83:1417     84:1678     85:4101     86:1012     87:2318   
  88:3108     89:4270     90:686      91:8293     92:2399     93:2741   
  94:3922     95:5442     96:1288     97:315      98:1051     99:741    
 100:91      101:1201    102:3946    103:33111   104:4826    105:2088   
 106:1021    107:2790    108:1157    109:4246    110:2191    111:3288   
 112:2111    113:1837    114:1808    115:2174    116:1913    117:2678   
 118:2877    119:2081    120:1807    121:1374    122:2837    123:2266   
 124:1711    125:2910    126:32      128:1545    129:1026    130:1198   
 131:2008    132:923     133:412     134:1747    135:365     136:1065   
 137:1082    138:3141    139:1562    140:1384    141:1360    142:1603   
 143:1704    144:1017    145:368     146:2107    147:1956    148:2543   
 149:2815    150:1052    151:1349    152:2186    153:594     154:6973   
 155:1468    156:2325    157:1846    158:1159    159:2348    160:2774   
 161:1726    162:3587    163:1773    164:1716    165:2191    166:1183   
 167:1814    168:4244    169:833     170:5333    171:1064    172:3884   
 173:3065    174:897     175:1276    176:3849    177:6324    178:3862   
 179:2682    180:2455    181:3819    182:3415    183:2019    184:2286   
 185:21169   186:5614    187:5179    188:4363    189:4570    190:9816   
 191:2110    192:11083   193:9188    194:7678    195:5508    196:3718   
 197:2908    198:6104    199:7898    200:8600    201:6548    202:10864  
 203:10673   204:4659    205:3688    206:4560    207:3661    208:4215   
 209:5125    210:4809    211:2673    212:4435    213:3609    214:1066   
 215:49      216:6948    217:3204    218:1369    219:614     220:2051   
 221:1045    222:984     223:2245   

End of report


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