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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 24 22:41:00 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 24 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:                              1009335
    Prefixes after maximum aggregation (per Origin AS):          367377
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462719
Total ASes present in the Internet Routing Table:                 76104
    Prefixes per ASN:                                             13.26
Origin-only ASes present in the Internet Routing Table:           65125
Origin ASes announcing only one prefix:                           26071
Transit ASes present in the Internet Routing Table:               10979
Transit-only ASes present in the Internet Routing Table:            532
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:              1396
    Number of instances of unregistered ASNs:                      1399
Number of 32-bit ASNs allocated by the RIRs:                      44555
Number of 32-bit ASNs visible in the Routing Table:               36598
Prefixes from 32-bit ASNs in the Routing Table:                  197452
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            930
Number of addresses announced to Internet:                   3030539636
    Equivalent to 180 /8s, 162 /16s and 93 /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:      345310

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

Prefixes being announced by APNIC Region ASes:                   264074
    Total APNIC prefixes after maximum aggregation:               74830
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255977
    Unique aggregates announced from the APNIC address blocks:   101159
APNIC Region origin ASes present in the Internet Routing Table:   14265
    APNIC Prefixes per ASN:                                       17.94
APNIC Region origin ASes announcing only one prefix:               4280
APNIC Region transit ASes present in the Internet Routing Table:   1924
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:   9611
Number of APNIC addresses announced to Internet:              762451872
    Equivalent to 45 /8s, 114 /16s and 23 /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:                    286820
    Total ARIN prefixes after maximum aggregation:               126633
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           291517
    Unique aggregates announced from the ARIN address blocks:    133730
ARIN Region origin ASes present in the Internet Routing Table:    19200
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    2012
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:    4922
Number of ARIN addresses announced to Internet:              1268264258
    Equivalent to 75 /8s, 152 /16s and 45 /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:                    286172
    Total RIPE prefixes after maximum aggregation:               129783
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279832
    Unique aggregates announced from the RIPE address blocks:    164473
RIPE Region origin ASes present in the Internet Routing Table:    28729
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12091
RIPE Region transit ASes present in the Internet Routing Table:    4007
Average RIPE Region AS path length visible:                         5.1
    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:               714829426
    Equivalent to 42 /8s, 155 /16s and 110 /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:                  135984
    Total LACNIC prefixes after maximum aggregation:              29141
    LACNIC Deaggregation factor:                                   4.67
Prefixes being announced from the LACNIC address blocks:         134382
    Unique aggregates announced from the LACNIC address blocks:   49715
LACNIC Region origin ASes present in the Internet Routing Table:  11102
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2135
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       5.3
    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:             177180704
    Equivalent to 10 /8s, 143 /16s and 144 /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:                  34889
    Total AfriNIC prefixes after maximum aggregation:              6259
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         46696
    Unique aggregates announced from the AfriNIC address blocks:  13106
AfriNIC Region origin ASes present in the Internet Routing Table:  1851
    AfriNIC Prefixes per ASN:                                     25.23
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  355
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219
Number of AfriNIC addresses announced to Internet:            107347200
    Equivalent to 6 /8s, 101 /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        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5641        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5040       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4539       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        9952      11383    3534  AMAZON-02, US
   174        5232       8782     866  COGENT-174, US
 11492        4622        307     596  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        2770       3398    1292  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        9146       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        2640        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2578       1852      14  TE-AS TE-AS, EG
  5384        2487        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       12194       3320     496  UNINET, MX
 10620        3509        492     941  Telmex Colombia S.A., CO
 13999        2545        355     666  Mega Cable, S.A. de C.V., MX
 11830        2004        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        1125        314     478  Axtel, S.A.B. de C.V., MX
 28202        1120         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         527         55      54  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       12194       3320     496  UNINET, MX
 16509        9952      11383    3534  AMAZON-02, US
  9808        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9146       1227    2116  TTNET, TR
 12479        7761       1708     145  UNI2-AS, ES
  7545        5641        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5232       8782     866  COGENT-174, US
  4538        5040       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4622        307     596  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        9146         7030  TTNET, TR
 16509        9952         6418  AMAZON-02, US
  7545        5641         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        4539         4495  VNPT-AS-VN VNPT Corp, VN
 18403        4439         4416  FPT-AS-AP FPT Telecom Company, VN
   174        5232         4366  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    /16:13426   /17:8535    /18:14792   
/19:25799   /20:45815   /21:54523   /22:115635  /23:108600  /24:611599  
/25:1129    /26:1101    /27:1609    /28:312     /29:520     /30:518     
/31:353     /32:702     

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

   ASN  No of nets  Total ann.  Description
 47331        8252        9146  TTNET, TR
 12479        6855        7761  UNI2-AS, ES
  8151        6220       12194  UNINET, MX
 11492        3531        4622  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        2167        2513  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)
----------------------------------------------

   1:2330      2:1723      3:346       4:22        5:4755      6:162    
   7:6         8:1620      9:1        11:172      12:1469     13:358    
  14:2488     15:319      16:211      17:375      18:768      20:396    
  21:4        22:188      23:6830     24:3127     25:2        27:2672   
  29:19       31:2737     32:61       34:66       35:137      36:2329   
  37:4633     38:8798     39:903      40:125      41:4675     42:2167   
  43:2438     44:323      45:18501    46:4606     47:312      49:1970   
  50:1934     51:584      52:1619     54:313      55:878      56:5      
  57:187      58:2137     59:1268     60:1029     61:2802     62:2839   
  63:1926     64:5733     65:2393     66:4849     67:3075     68:1345   
  69:4153     70:1386     71:596      72:2954     74:2627     75:1589   
  76:622      77:2630     78:4185     79:2547     80:2231     81:2271   
  82:1700     83:1420     84:1679     85:4099     86:1011     87:2322   
  88:3112     89:4266     90:686      91:8292     92:2399     93:2736   
  94:3911     95:5447     96:1288     97:315      98:1051     99:741    
 100:91      101:1202    102:3940    103:33102   104:4828    105:2090   
 106:1022    107:2789    108:1157    109:4245    110:2192    111:3289   
 112:2111    113:1836    114:1808    115:2173    116:1916    117:2677   
 118:2874    119:2081    120:1807    121:1373    122:2839    123:2264   
 124:1709    125:2910    126:32      128:1545    129:1037    130:1194   
 131:2019    132:926     133:412     134:1748    135:365     136:1065   
 137:1083    138:3150    139:1558    140:1384    141:1363    142:1603   
 143:1706    144:1018    145:368     146:2109    147:1958    148:2549   
 149:2819    150:1017    151:1348    152:2186    153:594     154:6975   
 155:1469    156:2325    157:1840    158:1159    159:2348    160:2766   
 161:1730    162:3591    163:1769    164:1719    165:2193    166:1183   
 167:1818    168:4245    169:833     170:5334    171:1064    172:3886   
 173:3081    174:897     175:1276    176:3849    177:6309    178:3860   
 179:2680    180:2456    181:3818    182:3414    183:2019    184:2287   
 185:21178   186:5593    187:5149    188:4366    189:4568    190:9811   
 191:2119    192:11081   193:9186    194:7688    195:5509    196:3718   
 197:2917    198:6106    199:7905    200:8612    201:6529    202:10865  
 203:10672   204:4660    205:3698    206:4561    207:3658    208:4215   
 209:5123    210:4809    211:2674    212:4438    213:3609    214:1071   
 215:49      216:6950    217:3204    218:1369    219:614     220:2051   
 221:1045    222:984     223:2245   

End of report


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