[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 11 22:41:21 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 11 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:                              1005324
    Prefixes after maximum aggregation (per Origin AS):          366842
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      461931
Total ASes present in the Internet Routing Table:                 76041
    Prefixes per ASN:                                             13.22
Origin-only ASes present in the Internet Routing Table:           65080
Origin ASes announcing only one prefix:                           26059
Transit ASes present in the Internet Routing Table:               10961
Transit-only ASes present in the Internet Routing Table:            529
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1133
    Number of instances of unregistered ASNs:                      1137
Number of 32-bit ASNs allocated by the RIRs:                      44449
Number of 32-bit ASNs visible in the Routing Table:               36508
Prefixes from 32-bit ASNs in the Routing Table:                  196634
Number of bogon 32-bit ASNs visible in the Routing Table:           176
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            665
Number of addresses announced to Internet:                   3029055860
    Equivalent to 180 /8s, 139 /16s and 185 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      342935

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

Prefixes being announced by APNIC Region ASes:                   263522
    Total APNIC prefixes after maximum aggregation:               74796
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          255428
    Unique aggregates announced from the APNIC address blocks:   100986
APNIC Region origin ASes present in the Internet Routing Table:   14244
    APNIC Prefixes per ASN:                                       17.93
APNIC Region origin ASes announcing only one prefix:               4265
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9591
Number of APNIC addresses announced to Internet:              762185376
    Equivalent to 45 /8s, 110 /16s and 6 /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:                    284858
    Total ARIN prefixes after maximum aggregation:               126655
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289751
    Unique aggregates announced from the ARIN address blocks:    133777
ARIN Region origin ASes present in the Internet Routing Table:    19194
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                6960
ARIN Region transit ASes present in the Internet Routing Table:    1979
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4915
Number of ARIN addresses announced to Internet:              1268044866
    Equivalent to 75 /8s, 148 /16s and 212 /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:                    285402
    Total RIPE prefixes after maximum aggregation:               129328
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279067
    Unique aggregates announced from the RIPE address blocks:    164060
RIPE Region origin ASes present in the Internet Routing Table:    28722
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12093
RIPE Region transit ASes present in the Internet Routing Table:    4022
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11819
Number of RIPE addresses announced to Internet:               714592882
    Equivalent to 42 /8s, 151 /16s and 210 /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:                  135579
    Total LACNIC prefixes after maximum aggregation:              29084
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         133998
    Unique aggregates announced from the LACNIC address blocks:   49466
LACNIC Region origin ASes present in the Internet Routing Table:  11087
    LACNIC Prefixes per ASN:                                      12.09
LACNIC Region origin ASes announcing only one prefix:              2125
LACNIC Region transit ASes present in the Internet Routing Table:  2466
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8967
Number of LACNIC addresses announced to Internet:             177047328
    Equivalent to 10 /8s, 141 /16s and 135 /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:                  34830
    Total AfriNIC prefixes after maximum aggregation:              6262
    AfriNIC Deaggregation factor:                                  5.56
Prefixes being announced from the AfriNIC address blocks:         46414
    Unique aggregates announced from the AfriNIC address blocks:  13136
AfriNIC Region origin ASes present in the Internet Routing Table:  1850
    AfriNIC Prefixes per ASN:                                     25.09
AfriNIC Region origin ASes announcing only one prefix:              616
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1216
Number of AfriNIC addresses announced to Internet:            106822912
    Equivalent to 6 /8s, 93 /16s and 253 /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        9852       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5650        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4544       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4511        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3719        507     264  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3582       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2789        863     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2486      11522     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        9928      11377    3510  AMAZON-02, US
   174        5349       6632     841  COGENT-174, US
 11492        4609        306     610  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3596       1320      79  SHAW, CA
 22773        3546       3057     235  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3226      54904    2478  DNIC-AS-00749, US
 16625        3085       1338    2233  AKAMAI-AS, US
   367        2803       3468    1321  DNIC-ASBLK-00306-00371, US
  7018        2776      23653    1768  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        9138       1227    2133  TTNET, TR
 12479        7751       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3918       3396     150  AKAMAI-ASN1, NL
  9009        3317        289    1622  M247, RO
 12389        2953       2302     893  ROSTELECOM-AS, RU
  8551        2638        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2583       1852      14  TE-AS TE-AS, EG
  5384        2483        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2393        366     577  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       12303       3315     494  UNINET, MX
 10620        3503        491     941  Telmex Colombia S.A., CO
 13999        2540        351     663  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1320        789     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1186        176     442  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1129         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        1634        314      37  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1503        389      20  LINKdotNET-AS, EG
 36992        1373       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1198         77      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         558       1861      35  IAM-AS, MA
 36914         549         82       3  KENET-AS, KE
 15399         529         55      52  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       12303       3315     494  UNINET, MX
 16509        9928      11377    3510  AMAZON-02, US
  9808        9852       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9138       1227    2133  TTNET, TR
 12479        7751       1708     144  UNI2-AS, ES
  7545        5650        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5349       6632     841  COGENT-174, US
  4538        5005       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4609        306     610  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        9852         9782  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7751         7607  UNI2-AS, ES
 47331        9138         7005  TTNET, TR
 16509        9928         6418  AMAZON-02, US
  7545        5650         4977  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005         4931  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5349         4508  COGENT-174, US
 45899        4544         4499  VNPT-AS-VN VNPT Corp, VN
 18403        4511         4488  FPT-AS-AP FPT Telecom Company, VN

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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, 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             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
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      /11:94      /12:297     
/13:582     /14:1197    /15:2122    /16:13419   /17:8515    /18:14707   
/19:25761   /20:45669   /21:54504   /22:115484  /23:108243  /24:609648  
/25:1102    /26:1069    /27:1512    /28:169     /29:290     /30:130     
/31:123     /32:619     

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

   ASN  No of nets  Total ann.  Description
 47331        8245        9138  TTNET, TR
 12479        6856        7751  UNI2-AS, ES
  8151        6316       12303  UNINET, MX
 11492        3518        4609  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3392        3596  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3546  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2161        2507  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2129        3503  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)
----------------------------------------------

   1:2338      2:1682      3:346       4:22        5:4736      6:164    
   7:6         8:1618      9:1        11:172      12:1460     13:365    
  14:2485     15:318      16:214      17:373      18:768      20:383    
  21:4        22:188      23:6787     24:3121     25:2        27:2623   
  29:19       31:2730     32:62       34:62       35:136      36:2329   
  37:4620     38:8744     39:903      40:125      41:4669     42:2209   
  43:2448     44:321      45:18490    46:4591     47:313      49:1967   
  50:1926     51:579      52:1614     54:312      55:1000     56:5      
  57:178      58:2147     59:1262     60:1035     61:2810     62:2831   
  63:1926     64:5739     65:2389     66:4847     67:3069     68:1350   
  69:4157     70:1388     71:595      72:2956     74:2627     75:1596   
  76:617      77:2637     78:4179     79:2542     80:2228     81:2266   
  82:1658     83:1411     84:1662     85:4084     86:952      87:2301   
  88:3111     89:4238     90:683      91:8291     92:2387     93:2722   
  94:3887     95:5437     96:1299     97:315      98:1055     99:742    
 100:90      101:1204    102:3730    103:33085   104:4830    105:2086   
 106:1007    107:2787    108:1158    109:4195    110:2183    111:3288   
 112:2118    113:1856    114:1800    115:2179    116:1917    117:2671   
 118:2861    119:2078    120:1796    121:1359    122:2824    123:2273   
 124:1665    125:2904    126:32      128:1556    129:1039    130:1188   
 131:2026    132:922     133:410     134:1743    135:364     136:957    
 137:1079    138:3155    139:1558    140:1395    141:1355    142:1617   
 143:1611    144:1007    145:366     146:2103    147:1901    148:2528   
 149:2817    150:1048    151:1350    152:2168    153:595     154:6829   
 155:1475    156:2317    157:1820    158:1157    159:2346    160:2745   
 161:1716    162:3596    163:1769    164:1710    165:2193    166:1179   
 167:1828    168:4198    169:830     170:5324    171:1061    172:3875   
 173:3078    174:899     175:1258    176:3838    177:6186    178:3866   
 179:2649    180:2451    181:3806    182:3408    183:2017    184:2290   
 185:21134   186:5548    187:5157    188:4346    189:4565    190:9786   
 191:2048    192:11047   193:9175    194:7691    195:5477    196:3684   
 197:2867    198:6102    199:7871    200:8524    201:6584    202:10816  
 203:10692   204:4638    205:3835    206:4537    207:3648    208:4204   
 209:5134    210:4815    211:2673    212:4434    213:3592    214:1050   
 215:49      216:6879    217:3242    218:1368    219:613     220:2054   
 221:1045    222:979     223:2241   

End of report


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