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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 12 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 12 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:                              1005230
    Prefixes after maximum aggregation (per Origin AS):          366815
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      461871
Total ASes present in the Internet Routing Table:                 76042
    Prefixes per ASN:                                             13.22
Origin-only ASes present in the Internet Routing Table:           65088
Origin ASes announcing only one prefix:                           26070
Transit ASes present in the Internet Routing Table:               10954
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:       4.1
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1128
    Number of instances of unregistered ASNs:                      1132
Number of 32-bit ASNs allocated by the RIRs:                      44469
Number of 32-bit ASNs visible in the Routing Table:               36511
Prefixes from 32-bit ASNs in the Routing Table:                  196567
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:            658
Number of addresses announced to Internet:                   3029077876
    Equivalent to 180 /8s, 140 /16s and 15 /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:      342731

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

Prefixes being announced by APNIC Region ASes:                   263508
    Total APNIC prefixes after maximum aggregation:               74809
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          255422
    Unique aggregates announced from the APNIC address blocks:   100993
APNIC Region origin ASes present in the Internet Routing Table:   14251
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4272
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9594
Number of APNIC addresses announced to Internet:              762190240
    Equivalent to 45 /8s, 110 /16s and 25 /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:                    285047
    Total ARIN prefixes after maximum aggregation:               126648
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289928
    Unique aggregates announced from the ARIN address blocks:    133808
ARIN Region origin ASes present in the Internet Routing Table:    19198
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                6962
ARIN Region transit ASes present in the Internet Routing Table:    1974
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:    4916
Number of ARIN addresses announced to Internet:              1268120898
    Equivalent to 75 /8s, 149 /16s and 253 /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:                    285432
    Total RIPE prefixes after maximum aggregation:               129330
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279097
    Unique aggregates announced from the RIPE address blocks:    164055
RIPE Region origin ASes present in the Internet Routing Table:    28726
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12097
RIPE Region transit ASes present in the Internet Routing Table:    4019
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:   11827
Number of RIPE addresses announced to Internet:               714603378
    Equivalent to 42 /8s, 151 /16s and 251 /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:                  135563
    Total LACNIC prefixes after maximum aggregation:              29072
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134001
    Unique aggregates announced from the LACNIC address blocks:   49468
LACNIC Region origin ASes present in the Internet Routing Table:  11093
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2129
LACNIC Region transit ASes present in the Internet Routing Table:  2470
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:  8973
Number of LACNIC addresses announced to Internet:             177051680
    Equivalent to 10 /8s, 141 /16s and 152 /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:                  34552
    Total AfriNIC prefixes after maximum aggregation:              6236
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         46123
    Unique aggregates announced from the AfriNIC address blocks:  13044
AfriNIC Region origin ASes present in the Internet Routing Table:  1831
    AfriNIC Prefixes per ASN:                                     25.19
AfriNIC Region origin ASes announcing only one prefix:              610
AfriNIC Region transit ASes present in the Internet Routing Table:  350
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1201
Number of AfriNIC addresses announced to Internet:            106750464
    Equivalent to 6 /8s, 92 /16s and 226 /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        9853       8745      71  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        4486        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3884       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        9927      11376    3514  AMAZON-02, US
   174        5349       6632     841  COGENT-174, US
 11492        4610        306     611  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3546       3057     235  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3225      54904    2477  DNIC-AS-00749, US
 16625        3093       1342    2237  AKAMAI-AS, US
   367        2801       3471    1318  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        7752       1708     145  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        2643        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2584       1852      14  TE-AS TE-AS, EG
  5384        2487        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       12302       3315     493  UNINET, MX
 10620        3503        491     941  Telmex Colombia S.A., CO
 13999        2540        351     663  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     189  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        1505        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         557       1861      35  IAM-AS, MA
 36914         552         82       3  KENET-AS, KE
 15399         528         55      51  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       12302       3315     493  UNINET, MX
 16509        9927      11376    3514  AMAZON-02, US
  9808        9853       8745      71  CHINAMOBILE-CN China Mobile Communicati
 47331        9138       1227    2133  TTNET, TR
 12479        7752       1708     145  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        4610        306     611  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        9853         9782  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7752         7607  UNI2-AS, ES
 47331        9138         7005  TTNET, TR
 16509        9927         6413  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        4486         4463  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
23.141.0.0/24        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
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       Transit:      3491  BTN-ASN, 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    /16:13423   /17:8521    /18:14709   
/19:25769   /20:45696   /21:54505   /22:115503  /23:108233  /24:609492  
/25:1102    /26:1069    /27:1513    /28:169     /29:290     /30:130     
/31:123     /32:623     

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

   ASN  No of nets  Total ann.  Description
 47331        8245        9138  TTNET, TR
 12479        6855        7752  UNI2-AS, ES
  8151        6316       12302  UNINET, MX
 11492        3519        4610  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3546  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2160        2506  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)
----------------------------------------------

   1:2334      2:1679      3:346       4:22        5:4736      6:164    
   7:6         8:1617      9:1        11:172      12:1460     13:364    
  14:2484     15:318      16:214      17:373      18:768      20:383    
  21:4        22:188      23:6790     24:3122     25:2        27:2626   
  29:19       31:2729     32:62       34:62       35:136      36:2329   
  37:4620     38:8747     39:903      40:125      41:4641     42:2202   
  43:2455     44:321      45:18484    46:4594     47:313      49:1967   
  50:1926     51:580      52:1614     54:312      55:999      56:5      
  57:178      58:2147     59:1263     60:1035     61:2811     62:2828   
  63:1929     64:5740     65:2389     66:4847     67:3069     68:1349   
  69:4159     70:1388     71:595      72:2956     74:2627     75:1596   
  76:618      77:2619     78:4178     79:2548     80:2230     81:2265   
  82:1657     83:1412     84:1663     85:4085     86:954      87:2302   
  88:3111     89:4238     90:683      91:8288     92:2388     93:2723   
  94:3888     95:5438     96:1299     97:315      98:1056     99:742    
 100:90      101:1204    102:3708    103:33101   104:4831    105:2086   
 106:1007    107:2787    108:1158    109:4193    110:2182    111:3287   
 112:2118    113:1855    114:1797    115:2179    116:1919    117:2672   
 118:2856    119:2080    120:1796    121:1360    122:2824    123:2274   
 124:1665    125:2904    126:32      128:1553    129:1040    130:1190   
 131:2032    132:923     133:410     134:1741    135:364     136:1003   
 137:1077    138:3151    139:1558    140:1395    141:1361    142:1617   
 143:1651    144:1008    145:366     146:2103    147:1900    148:2526   
 149:2817    150:1047    151:1351    152:2171    153:595     154:6783   
 155:1478    156:2314    157:1815    158:1155    159:2347    160:2748   
 161:1716    162:3597    163:1769    164:1709    165:2194    166:1181   
 167:1826    168:4200    169:828     170:5325    171:1059    172:3870   
 173:3078    174:899     175:1258    176:3835    177:6189    178:3865   
 179:2638    180:2451    181:3807    182:3406    183:2014    184:2290   
 185:21133   186:5547    187:5164    188:4348    189:4569    190:9788   
 191:2046    192:11064   193:9172    194:7688    195:5474    196:3692   
 197:2672    198:6108    199:7870    200:8532    201:6591    202:10814  
 203:10690   204:4643    205:3828    206:4538    207:3651    208:4202   
 209:5135    210:4814    211:2673    212:4436    213:3598    214:1047   
 215:49      216:6892    217:3243    218:1368    219:611     220:2054   
 221:1045    222:979     223:2241   

End of report


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