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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Dec 29 22:41:57 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 29 Dec, 2023

  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:                              987535
    Prefixes after maximum aggregation (per Origin AS):          363344
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456520
Total ASes present in the Internet Routing Table:                 75433
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64685
Origin ASes announcing only one prefix:                           26008
Transit ASes present in the Internet Routing Table:               10748
Transit-only ASes present in the Internet Routing Table:            503
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:              1244
    Number of instances of unregistered ASNs:                      1247
Number of 32-bit ASNs allocated by the RIRs:                      43278
Number of 32-bit ASNs visible in the Routing Table:               35719
Prefixes from 32-bit ASNs in the Routing Table:                  187259
Number of bogon 32-bit ASNs visible in the Routing Table:           180
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            587
Number of addresses announced to Internet:                   3046666270
    Equivalent to 181 /8s, 152 /16s and 112 /24s
    Percentage of available address space announced:               82.3
    Percentage of allocated address space announced:               82.3
    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:      339454

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

Prefixes being announced by APNIC Region ASes:                   257940
    Total APNIC prefixes after maximum aggregation:               73213
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          250747
    Unique aggregates announced from the APNIC address blocks:    99710
APNIC Region origin ASes present in the Internet Routing Table:   13932
    APNIC Prefixes per ASN:                                       18.00
APNIC Region origin ASes announcing only one prefix:               4137
APNIC Region transit ASes present in the Internet Routing Table:   1888
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9265
Number of APNIC addresses announced to Internet:              771523488
    Equivalent to 45 /8s, 252 /16s and 131 /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:                    282667
    Total ARIN prefixes after maximum aggregation:               126264
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           287197
    Unique aggregates announced from the ARIN address blocks:    133068
ARIN Region origin ASes present in the Internet Routing Table:    19109
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                6924
ARIN Region transit ASes present in the Internet Routing Table:    1937
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4841
Number of ARIN addresses announced to Internet:              1274225216
    Equivalent to 75 /8s, 243 /16s and 34 /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, 393216-401308
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:                    282142
    Total RIPE prefixes after maximum aggregation:               128110
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275799
    Unique aggregates announced from the RIPE address blocks:    161073
RIPE Region origin ASes present in the Internet Routing Table:    28584
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12081
RIPE Region transit ASes present in the Internet Routing Table:    3968
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11534
Number of RIPE addresses announced to Internet:               714770910
    Equivalent to 42 /8s, 154 /16s and 137 /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:                  129573
    Total LACNIC prefixes after maximum aggregation:              28876
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128527
    Unique aggregates announced from the LACNIC address blocks:   49410
LACNIC Region origin ASes present in the Internet Routing Table:  11064
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2264
LACNIC Region transit ASes present in the Internet Routing Table:  2413
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8913
Number of LACNIC addresses announced to Internet:             178476128
    Equivalent to 10 /8s, 163 /16s and 84 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  33969
    Total AfriNIC prefixes after maximum aggregation:              6095
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44677
    Unique aggregates announced from the AfriNIC address blocks:  12767
AfriNIC Region origin ASes present in the Internet Routing Table:  1826
    AfriNIC Prefixes per ASN:                                     24.47
AfriNIC Region origin ASes announcing only one prefix:              602
AfriNIC Region transit ASes present in the Internet Routing Table:  347
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166
Number of AfriNIC addresses announced to Internet:            107357440
    Equivalent to 6 /8s, 102 /16s and 37 /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        9808       8739      55  CHINAMOBILE-CN China Mobile Communicati
  7545        5675        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4543        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3842       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3598       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3416        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3357       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2660        856     371  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2591      11258     579  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        9455      11199    3363  AMAZON-02, US
 11492        4563        303     680  CABLEONE, US
  7155        4182        289      98  VIASAT-SP-BACKBONE, US
   174        3949       6658     651  COGENT-174, US
 22773        3631       3077     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3219       1426    2340  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2974       3838    1418  DNIC-ASBLK-00306-00371, US
396982        2741       3639     386  GOOGLE-CLOUD-PLATFORM, 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        8896       1208    2590  TTNET, TR
 12479        7583       1714     146  UNI2-AS, ES
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 20940        4076       3398     168  AKAMAI-ASN1, NL
  9009        3500        301    1637  M247, RO
  8551        3338        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3058       2301     919  ROSTELECOM-AS, RU
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2393       1852      14  TE-AS TE-AS, EG
 34984        2368        362     587  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       12183       3385     598  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2494        339     636  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1245        341     503  Axtel, S.A.B. de C.V., MX
 11664        1108        178     423  Techtel LMDS Comunicaciones Interactiva
 28202        1103         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1088        369      22  Telefonica del Peru S.A.A., PE

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        1625        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1071         69      52  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         532         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       12183       3385     598  UNINET, MX
  9808        9808       8739      55  CHINAMOBILE-CN China Mobile Communicati
 16509        9455      11199    3363  AMAZON-02, US
 47331        8896       1208    2590  TTNET, TR
 12479        7583       1714     146  UNI2-AS, ES
  7545        5675        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 11492        4563        303     680  CABLEONE, US
 18403        4543        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9808         9753  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7583         7437  UNI2-AS, ES
 47331        8896         6306  TTNET, TR
 16509        9455         6092  AMAZON-02, US
  7545        5675         4989  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994         4919  ERX-CERNET-BKB China Education and Research Net
 39891        4641         4587  ALJAWWALSTC-AS, SA
 18403        4543         4518  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4084  VIASAT-SP-BACKBONE, US
 20940        4076         3908  AKAMAI-ASN1, NL

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, 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
     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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /11:99      /12:300     
/13:582     /14:1209    /15:2135    /16:13584   /17:8506    /18:14210   
/19:25683   /20:45640   /21:54358   /22:114472  /23:107420  /24:594342  
/25:1132    /26:1078    /27:1503    /28:164     /29:242     /30:80      
/31:82      /32:646     

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

   ASN  No of nets  Total ann.  Description
 47331        8001        8896  TTNET, TR
 12479        6671        7583  UNI2-AS, ES
  8151        6177       12183  UNINET, MX
 11492        3477        4563  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4641  ALJAWWALSTC-AS, SA
  7155        3125        4182  VIASAT-SP-BACKBONE, US
  8551        2815        3338  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2672        3631  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2312      2:1576      3:284       4:8         5:4606      6:163    
   7:6         8:1615      9:1        11:172      12:1493     13:375    
  14:2391     15:309      16:206      17:368      18:710      20:362    
  21:4        22:188      23:6622     24:3012     25:2        27:2645   
  29:19       31:2717     32:74       34:37       35:122      36:2152   
  37:4650     38:6957     39:891      40:148      41:4698     42:2207   
  43:2383     44:331      45:17567    46:4537     47:291      49:1912   
  50:1905     51:578      52:1626     54:368      55:889      56:5      
  57:138      58:2003     59:1191     60:1013     61:2754     62:2886   
  63:1943     64:5714     65:2387     66:5171     67:3114     68:1364   
  69:4106     70:1392     71:619      72:3012     74:2669     75:1597   
  76:630      77:2470     78:4132     79:3037     80:2175     81:2120   
  82:1599     83:1399     84:1646     85:3874     86:894      87:2249   
  88:2981     89:4119     90:661      91:8062     92:2262     93:2669   
  94:3809     95:5246     96:1333     97:317      98:1040     99:746    
 100:122     101:1170    102:3492    103:32921   104:4810    105:2029   
 106:986     107:2784    108:1156    109:4244    110:2173    111:3191   
 112:2113    113:1735    114:1757    115:2106    116:2002    117:2640   
 118:2797    119:2014    120:1813    121:1334    122:2786    123:2251   
 124:1655    125:2822    128:1593    129:1007    130:1111    131:2065   
 132:983     133:411     134:1712    135:346     136:919     137:1052   
 138:2895    139:1577    140:1349    141:1350    142:1584    143:1612   
 144:1005    145:340     146:2047    147:1656    148:2514    149:2471   
 150:1033    151:1331    152:1980    153:599     154:5829    155:1382   
 156:2149    157:1404    158:1091    159:2220    160:2703    161:1642   
 162:3638    163:1692    164:1699    165:2163    166:1084    167:1760   
 168:4022    169:820     170:4955    171:1001    172:3793    173:3057   
 174:901     175:1251    176:3762    177:5607    178:3688    179:2523   
 180:2453    181:3728    182:3429    183:2049    184:2287    185:20864  
 186:5141    187:4735    188:4293    189:4288    190:9638    191:1960   
 192:11071   193:9041    194:7582    195:5495    196:3613    197:2903   
 198:6077    199:6880    200:8500    201:6376    202:10944   203:10533  
 204:4656    205:3710    206:4591    207:3563    208:4152    209:4991   
 210:4742    211:2602    212:4334    213:3539    214:1113    215:50     
 216:6914    217:3034    218:1359    219:613     220:2057    221:1025   
 222:871     223:2228   

End of report


More information about the ren-bgp-stats-all mailing list