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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 13 22:41:15 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 13 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:                              1005548
    Prefixes after maximum aggregation (per Origin AS):          366873
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      462004
Total ASes present in the Internet Routing Table:                 76061
    Prefixes per ASN:                                             13.22
Origin-only ASes present in the Internet Routing Table:           65211
Origin ASes announcing only one prefix:                           26089
Transit ASes present in the Internet Routing Table:               10850
Transit-only ASes present in the Internet Routing Table:            518
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1135
    Number of instances of unregistered ASNs:                      1137
Number of 32-bit ASNs allocated by the RIRs:                      44470
Number of 32-bit ASNs visible in the Routing Table:               36518
Prefixes from 32-bit ASNs in the Routing Table:                  196528
Number of bogon 32-bit ASNs visible in the Routing Table:           169
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            669
Number of addresses announced to Internet:                   3029782644
    Equivalent to 180 /8s, 150 /16s and 208 /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:      342839

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

Prefixes being announced by APNIC Region ASes:                   263604
    Total APNIC prefixes after maximum aggregation:               74710
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255527
    Unique aggregates announced from the APNIC address blocks:   100989
APNIC Region origin ASes present in the Internet Routing Table:   14251
    APNIC Prefixes per ASN:                                       17.93
APNIC Region origin ASes announcing only one prefix:               4272
APNIC Region transit ASes present in the Internet Routing Table:   1920
Average APNIC Region AS path length visible:                        4.4
    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:              762177440
    Equivalent to 45 /8s, 109 /16s and 231 /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:                    285202
    Total ARIN prefixes after maximum aggregation:               126741
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290019
    Unique aggregates announced from the ARIN address blocks:    133812
ARIN Region origin ASes present in the Internet Routing Table:    19197
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6961
ARIN Region transit ASes present in the Internet Routing Table:    1968
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:    4911
Number of ARIN addresses announced to Internet:              1268161090
    Equivalent to 75 /8s, 150 /16s and 154 /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:                    285384
    Total RIPE prefixes after maximum aggregation:               129321
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279155
    Unique aggregates announced from the RIPE address blocks:    164133
RIPE Region origin ASes present in the Internet Routing Table:    28731
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12101
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11825
Number of RIPE addresses announced to Internet:               714573426
    Equivalent to 42 /8s, 151 /16s and 134 /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:                  135573
    Total LACNIC prefixes after maximum aggregation:              29107
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134014
    Unique aggregates announced from the LACNIC address blocks:   49483
LACNIC Region origin ASes present in the Internet Routing Table:  11100
    LACNIC Prefixes per ASN:                                      12.07
LACNIC Region origin ASes announcing only one prefix:              2138
LACNIC Region transit ASes present in the Internet Routing Table:  2449
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8975
Number of LACNIC addresses announced to Internet:             177017376
    Equivalent to 10 /8s, 141 /16s and 18 /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:                  34650
    Total AfriNIC prefixes after maximum aggregation:              6276
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         46163
    Unique aggregates announced from the AfriNIC address blocks:  13083
AfriNIC Region origin ASes present in the Internet Routing Table:  1849
    AfriNIC Prefixes per ASN:                                     24.97
AfriNIC Region origin ASes announcing only one prefix:              617
AfriNIC Region transit ASes present in the Internet Routing Table:  356
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1213
Number of AfriNIC addresses announced to Internet:            107418624
    Equivalent to 6 /8s, 103 /16s and 20 /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        5006       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4544       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4475        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3891       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3722        507     264  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3576       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2790        863     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  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        9908      11382    3535  AMAZON-02, US
   174        5435       8781     869  COGENT-174, US
 11492        4610        306     611  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3545       3057     234  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3225      54904    2477  DNIC-AS-00749, US
 16625        3098       1349    2247  AKAMAI-AS, US
  7018        2852      23659    1811  ATT-INTERNET4, US
   367        2809       3477    1319  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        9133       1226    2140  TTNET, TR
 12479        7764       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3920       3396     151  AKAMAI-ASN1, NL
  9009        3319        289    1623  M247, RO
 12389        2988       2305     900  ROSTELECOM-AS, RU
  8551        2637        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2586       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       12270       3313     495  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        1320        789     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1185        176     441  Techtel LMDS Comunicaciones Interactiva
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX

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        1504        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         557         82       3  KENET-AS, KE
 15399         526         55      53  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       12270       3313     495  UNINET, MX
 16509        9908      11382    3535  AMAZON-02, US
  9808        9853       8745      71  CHINAMOBILE-CN China Mobile Communicati
 47331        9133       1226    2140  TTNET, TR
 12479        7764       1708     145  UNI2-AS, ES
  7545        5650        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5435       8781     869  COGENT-174, US
  4538        5006       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        7764         7619  UNI2-AS, ES
 47331        9133         6993  TTNET, TR
 16509        9908         6373  AMAZON-02, US
  7545        5650         4977  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5006         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5435         4566  COGENT-174, US
 45899        4544         4499  VNPT-AS-VN VNPT Corp, VN
 18403        4475         4452  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     
/13:583     /14:1197    /15:2123    /16:13422   /17:8520    /18:14719   
/19:25761   /20:45710   /21:54518   /22:115511  /23:108268  /24:609738  
/25:1103    /26:1069    /27:1513    /28:169     /29:290     /30:130     
/31:123     /32:622     

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

   ASN  No of nets  Total ann.  Description
 47331        8241        9133  TTNET, TR
 12479        6861        7764  UNI2-AS, ES
  8151        6291       12270  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        2638        3545  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)
----------------------------------------------

   1:2328      2:1677      3:346       4:22        5:4744      6:164    
   7:6         8:1612      9:1        11:172      12:1460     13:362    
  14:2485     15:318      16:214      17:373      18:768      20:394    
  21:4        22:188      23:6776     24:3122     25:2        27:2628   
  29:19       31:2730     32:62       34:64       35:136      36:2330   
  37:4622     38:8752     39:903      40:125      41:4676     42:2197   
  43:2452     44:321      45:18483    46:4592     47:313      49:1968   
  50:1928     51:580      52:1614     54:311      55:1002     56:5      
  57:178      58:2141     59:1269     60:1035     61:2811     62:2825   
  63:1931     64:5739     65:2389     66:4851     67:3067     68:1349   
  69:4161     70:1388     71:595      72:2956     74:2625     75:1596   
  76:620      77:2633     78:4179     79:2546     80:2229     81:2270   
  82:1666     83:1410     84:1658     85:4076     86:954      87:2302   
  88:3110     89:4233     90:684      91:8288     92:2392     93:2726   
  94:3893     95:5438     96:1299     97:315      98:1057     99:742    
 100:91      101:1204    102:3718    103:33104   104:4825    105:2084   
 106:1006    107:2778    108:1158    109:4193    110:2183    111:3287   
 112:2118    113:1854    114:1799    115:2179    116:1918    117:2672   
 118:2857    119:2079    120:1797    121:1362    122:2823    123:2272   
 124:1706    125:2905    126:32      128:1550    129:1037    130:1192   
 131:2026    132:923     133:410     134:1743    135:364     136:1019   
 137:1079    138:3159    139:1562    140:1394    141:1363    142:1617   
 143:1649    144:1013    145:363     146:2101    147:1904    148:2536   
 149:2815    150:1048    151:1349    152:2175    153:595     154:6751   
 155:1479    156:2317    157:1819    158:1159    159:2346    160:2743   
 161:1716    162:3596    163:1767    164:1715    165:2194    166:1175   
 167:1822    168:4195    169:826     170:5323    171:1055    172:3871   
 173:3071    174:896     175:1249    176:3837    177:6197    178:3862   
 179:2646    180:2451    181:3805    182:3408    183:2012    184:2289   
 185:21136   186:5547    187:5172    188:4345    189:4563    190:9789   
 191:2044    192:11065   193:9172    194:7700    195:5489    196:3705   
 197:2691    198:6113    199:7875    200:8530    201:6567    202:10876  
 203:10694   204:4647    205:3832    206:4540    207:3652    208:4206   
 209:5136    210:4815    211:2673    212:4432    213:3599    214:1045   
 215:49      216:6931    217:3245    218:1368    219:619     220:2053   
 221:1045    222:980     223:2239   

End of report


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